Entries |
Document | Title | Date |
20080221256 | POLYPROPYLENE RESIN COMPOSITION AND MOLDED ARTICLE - The polypropylene resin composition is disclosed which includes 50-94% by weight of a polypropylene resin having a specific structure, 1-25% by weight of an ethylene-α-olefin copolymer rubber composed of an ethylene-α-olefin (C | 09-11-2008 |
20080227905 | Thermoplastic Elastomer Composition - The object of the present invention is to provide a thermoplastic elastomer composition having a good balance between the hardness and the mechanical strength, exhibiting superior rubber elasticity, high-temperature creep characteristics and formability in a wide range of temperature, and having oil resistance and heat resistance. The thermoplastic elastomer composition comprises (A) (meth)acrylic block copolymer; (B) a compound containing at least two amino groups in its molecule; and (C) a thermoplastic resin. The (meth)acrylic block copolymer (A) comprises (A1) a (meth)acrylic copolymer block and (A2) an acrylic copolymer block. A1 least one of the polymer blocks has at least one acid anhydride group. The (meth)acrylic block copolymer (A) and the compound (B) are dynamically vulcanized in the thermoplastic resin (C). | 09-18-2008 |
20080269398 | Modified Polymer with Partitioning Agent - A modifier material and method for making the same is characterized by the addition of a partitioning agent to a polymer material such as synthetic rubber to prevent reagglomeration of the rubber. The partitioning agent reduces the time required to disperse the modifier material in a material to be modified and also reduces the viscosity of the modified material so that the modified material is easier to handle. The partitioning agent preferably includes a mixture of phenyl formaldehyde resin and precipitated silica gel. | 10-30-2008 |
20080287595 | Amphiphilic Block Copolymer-Toughened Thermoset Resins - A composition comprising (1) a thermosettable resin selected from the group consisting of an epoxy resin, an epoxy vinyl ester resin, an unsaturated polyester resin or a mixture thereof, and (2) an amphiphilic mock copolymer dispersed in the thermosettable resin; fiber-reinforced plastics (FRP), coatings and composites prepared therefrom; and methods of preparing these. | 11-20-2008 |
20080306205 | BLACK-COLORED THERMOPLASTIC COMPOSITIONS, ARTICLES, AND METHODS - Jet black thermoplastic compositions are obtained when a carbon black having particular properties is blended with a particular poly(arylene ether) or polycarbonate resin system. Failure to observe similar color properties with other resin systems or other carbon black types indicates a synergy between the carbon black type and the two resin types. Methods of preparing the compositions and articles comprising the compositions are described. | 12-11-2008 |
20090018253 | PERFROMANCE ADDITIVES FOR THERMOPLASTIC ELASTOMERS - Thermoplastic elastomer compositions with improved elastic properties, mechanical properties, and processability are disclosed. The compositions include thermoplastic elastomers and performance additives selected from aliphathic, aromatic, or aliphatic-aromatic resins having a number-average molecular weight of 500 to 5,000. | 01-15-2009 |
20090036592 | POLYMERIC COMPOSITION FOR SEALS AND GASKETS - The present invention relates to a polymeric composition which has an excellent combination of properties for use in making seals and gaskets for utilization in appliances, automotive applications, and building applications, such as window glazing gaskets. These polymeric compositions offer excellent dimensional stability, low compression set, outstanding sealing characteristics, low temperature flexibility, heat resistance and ultra-violet light resistance. The present invention more specifically discloses a polymeric composition having excellent characteristics for utilization in manufacturing seals and gaskets including dimensional stability, low compression set and outstanding sealing characteristics, said polymeric composition being comprised of a blend of (A) a thermoplastic resin selected from the group consisting of polypropylene, polyethylene, poly phenylene ether polystyrene, and styrene containing copolymer resins, (B) an elastomeric polymer selected from the group consisting of block copolymer comprising a first polymeric block that is comprised of repeat units that are derived from a vinyl aromatic monomer and a second block that is comprised of repeat units that are derived from a conjugated diolefin monomer, wherein the repeat units in the second block are hydrogenated, and wherein the repeat units in the second block are elastomeric in nature, and a crosslinked olefinic elastomer, (C) a high molecular weight crosslinked diene elastomer comprised of repeat units that are derived from conjugated diene monomer selected from the group consisting of 1,3-butadiene and isoprene, wherein the high molecular weight diene elastomer has a weight average molecular weight of at least about 200,000, and (D) an oil. | 02-05-2009 |
20090069487 | Block copolymer composition for overmolding any nylon - A thermoplastic elastomer (TPE) for overmolding (OM) a nylon substrate with an overmolded layer consists essentially of an inert filler, a plasticizer, preferably a mineral oil, and chosen combinations of ingredients from the following: (i) a functionalized “high rubber” SHDS (styrene-hydrogenated diene-styrene) having a functionality of 1%, the “small end blocks” together present in an amount in the range from about 8-25% by weight; (ii) hydrogenated SDS or SHDS block copolymer having polystyrene endblocks and a polymerized vinyl aromatic monomer in the poly(conjugated diene) midblock, the polystyrene endblocks together present in an amount in the range from 20-30% by weight of the block copolymer, excluding weight of the polystyrene in the polydiene midblock; (iii) a functionalized “high rubber” SHDS having a functionality of >1% but<2%, the “small end blocks” together present in an amount in the range from about 8-25% by weight; (iv) from 0-30% by weight of the composition, of a functionalized polyolefin (F3), the olefin having from 2 to 4 carbon atoms; (v) from 0-15% by wt of the composition, of a hydrogenated nonfunctionalized hydrogenated polystyrene-poly(conjugated diene)-polystyrene (SHDS) block copolymer; and, (vi) an additive to enhance the useful life of the composition. | 03-12-2009 |
20090076212 | Composition and Manufacture Thereof - A process for preparing a functionalized polymer composition and a functionalized polymer composition. The process comprises the steps of providing a hydrocarbon resin, a polyolefin and a graft monomer, and dispersing the hydrocarbon resin in the polyolefin, followed by adding the graft monomer under shear to prepare the functionalized polymer composition. The polyolefin can comprise a polyethylene polymer or a C3 to C40 polymer having a molecular weight (Mw) of at least 20000. | 03-19-2009 |
20090093584 | End Use Applications Prepared From Certain Block Copolymers - The present invention relates to various end use applications prepared from certain block copolymers. The block copolymers include one or more A or A′ blocks or B blocks plus one or more terminal M blocks. Each A and A′ is a block or segment comprising predominantly a polymerized alkenyl aromatic compound, each B is a block or segment comprising predominantly a polymerized conjugated alkadiene, and each M is a six membered anhydride ring and/or acid group. The anhydride rings are prepared by thermally decomposing adjacent units of (1-methyl-1-alkyl)alkyl acrylic esters such as t-butylmethylacrylate. A wide variety of polymers are disclosed having the stable anhydride rings in the polymer backbone. The invention relates specifically to various end uses prepared from the reaction product of such block copolymers with various reactive resins, reactive monomers and metal derivatives. | 04-09-2009 |
20090105396 | THERMOPLASTIC ELASTOMER COMPOSITION AND COMPOSITE MOLDED ARTICLE MANUFACTURED FROM THE SAME - [Problems] To provide a thermoplastic elastomer composition which can tightly adhere to a resin having a polar group without the need of using any adhesive and is excellent in water resistance, rubber properties and moldability, or to provide a composite molded article manufactured from the composition. | 04-23-2009 |
20090105397 | POLYMERIC COMPOSITIONS AND PROCESSES FOR MOLDING ARTICLES - The present invention is directed to a polymeric article comprising a blend of (a) a first polymeric component; (b) a second polymeric component, the second polymeric component including an α-olefin multiblock interpolymer present in the amount of about 20 percent or less by weight of the second polymeric component; and (c) at least one reinforcement material; wherein the concentration of the second polymeric component is greater than about 20 wt. % based on the total concentration of the first polymeric component and the second polymeric component. The polymeric articles desirably have one or more of the following characteristics: a soft touch feel, a low gloss appearance, or a high surface durability. | 04-23-2009 |
20090124750 | Transparent Thermoplastic Resin and Method for Preparing the Same - Disclosed herein is a transparent thermoplastic resin comprising a rubber phase including an aromatic rubbery block copolymer resin, and a resin phase including a terpolymer comprising an aromatic vinyl compound, a vinyl cyanide compound and an unsaturated alkyl ester compound, wherein the rubber phase and the resin phase have a co-continuous phase structure. | 05-14-2009 |
20090131576 | MOLDABILITY MODIFIER AND POLYPROPYLENE RESIN COMPOSITION USING THE SAME - A moldability modifier capable of improving molding processability, and a polypropylene resin composition using the same suitable for automobile exterior parts are provided. The invention relates to a moldability modifier comprising propylene block copolymer (A) containing from 80 to 98 wt % of a propylene homopolymer portion (A1) and from 2 to 20 wt % of a propylene/ethylene random copolymer portion (A2), wherein the MFR of (A1) is 300 g/10 min or more, the ethylene content of (A2) is from 10 to 70 wt %, the [η] of (A2) is 6.5 dl/g or more, and the MFR as a whole is 40 g/10 min or more; and propylene block copolymer (B) containing from 20 to 79 wt % of a propylene polymer portion (B1) and from 21 to 80 wt % of a propylene/ethylene random copolymer portion (B2), wherein the MFR of (B1) is 20 g/10 min or more, the ethylene content of (B2) is from 20 to 70 wt %, the [η] of (B2) is from 2.5 to 9.0 dl/g, and the MFR as a whole is from 0.1 to 50 g/10 min; and a polypropylene resin composition using the same. | 05-21-2009 |
20090156730 | PIGMENT DISTRIBUTION SYSTEM AND METHOD OF ENCAPSULATING PIGMENT - Provided is a pigment distribution system. The pigment distribution system includes a pigment encapsulated by physically adsorbing a diblock copolymer to the pigment. The diblock copolymer is represented by Formula 1 below: | 06-18-2009 |
20090221739 | Process for the Post-Modification of Homo and Copolymers Prepared by Controlled Free Radical Polymerization Processes - The instant invention pertains to the preparation of polymers or copolymers wherein in a first step a controlled free radical polymerization process is carried out and in a second step the resulting polymer is modified by transesterification reactions. The final modified polymer or copolymer is useful as a dispersant for pigments. Further aspects of the invention are the thus prepared polymers or copolymers, a pigment concentrate containing the polymer or copolymer and a coating material containing the pigment concentrate. | 09-03-2009 |
20090234059 | MIKTOPOLYMER COMPOSITIONS - The present invention provides a block copolymer composition and method of making the same having the structures (A | 09-17-2009 |
20090247688 | THERMOPLASTIC ELASTOMER COMPOSITION - A thermoplastic elastomer composition comprising from 35 to 50 parts by mass of a hydrogenated block copolymer (a) having a weight-average molecular weight of from 70000 to 120000, from 30 to 50 parts by mass of a rubber softener (b) and from 5 to 25 parts by mass of a polystyrene-based resin (c) having a weight-average molecular weight of from 100000 to 400000 [provided that the total of (a), (b) and (c) is 100 parts by mass], wherein the hydrogenated block copolymer (a) is prepared by hydrogenating a block copolymer having at least two polymer blocks A mainly comprising a vinyl aromatic compound unit and at least one polymer block B mainly comprising a conjugated diene unit, and has a vinyl aromatic compound unit content of from 35 to 45% by mass, and at least 50% of the carbon-carbon double bonds derived from the conjugated diene in the polymer block B are hydrogenated. | 10-01-2009 |
20090247689 | ELASTIC FILM GRADE THERMOPLASTIC POLYMER COMPOSITIONS HAVING IMPROVED ELASTIC PERFORMANCE - The present invention provides an improved block copolymer composition for extruding films having excellent stress relaxation and increased retained tension or load at elevated temperatures, as well as a film cast from this composition. The composition is comprised of (a) 100 parts by weight of a mixture of two or more hydrogenated styrenic block copolymers (HSBC's) having at least two polystyrene end-blocks and a mid-block of a polymerized diene wherein at least 80 mol % of the residual unsaturation has been hydrogenated, wherein HSBC #1 has an apparent number average molecular weight between 35,000 and 90,000 and a polystyrene content between 15 and 40 percent by weight, wherein HSBC #2 has an apparent number average molecular weight between 95,000 and 150,000 and a polystyrene content between 15 and 40 percent by weight, wherein the ration w/w of HSBC #1 versus HSBC #2 is in the range of from 8:1 to 1:8, (b) from 10 to 50 parts by weight per 100 parts by weight of polymer (phr) of a a medium molecular weight polystyrene (2) or a mixture of a low molecular weight polystyrene (1) and a medium molecular weight polystyrene (2), wherein PS (1) has a molecular weight in the range of 500 to 4,000 and PS(2) has a molecular weight in the range of 20,000 to 150,000 and wherein PS(1) and PS(2) are used in a weight ratio of 1:5 to 5:1, (c) from 3 to 50 phr of a filler, and (d) from 30 to 70 phr of a softening agent. | 10-01-2009 |
20090264580 | Low Application Temperature Hot Melt Adhesive - A hot melt adhesive composition, comprising a blend of components including about 10% to about 40% by weight of an elastomeric block copolymer, preferably styrene-isoprene-styrene (SIS) or styrene-butadiene-styrene (SBS), about 15% to about 70% by weight of a first midblock tackifying resin having a softening point of at least about 110° C. and having an aromatic content of at least about 1.5% by weight; about 0 to 55% of second midblock tackifying resin, about 5% to about 35% by weight of a plasticizer; and about 0% to about 20% by weight of an end block resin having a softening point lower than 125° C.; wherein the components total 100% by weight of the composition, the viscosity of the composition is equal to or less than about 20,000 mPa·s at 120° C., and is applied at a temperature lower that 150° C. and initial bond retention of the composition on elastic strands is at least about 60%. Also, the elastic modulus G″ of the composition is higher than about 5000 Pa, the vicous modules G″ is higher than about 50 Pa, and the tan delta value is between about 0.5 and about 60. Laminates, especially those used in disposable soft goods, and methods of making such laminates are also described. The adhesive composition and/or laminate may be used in making a variety of end products such as a disposable diaper, a sanitary napkin, a bed pad, a bandage, a surgical drape, a tape, a label, a plastic sheet, a nonwoven sheet, a paper sheet, a cardboard, a book, a filter, or a package. | 10-22-2009 |
20090286918 | HIGHLY TRANSPARENT AND TOUGH-STIFF STYRENE-BUTADIENE BLOCK COPOLYMER MIXTURES - A mixture which comprises
| 11-19-2009 |
20090292060 | Polypropylene Block Copolymer, Its Use, and Polyproylene Resin Composition Comprising Said Polypropylene Block Copolymer - Provided are a molding appearance modifier for resins capable of controlling appearance of large-sized molded parts only by small addition, and a polypropylene resin composition capable of providing good appearance to, for example, automobile exterior parts, and has excellent molding processability. The invention relates to a propylene block copolymer having a crystalline propylene polymer portion and a propylene•ethylene random copolymer portion, wherein the crystalline propylene polymer portion has an intrinsic viscosity [η] | 11-26-2009 |
20090292061 | FLAME-RETARDANT COMPOSITION - A flame-retardant composition includes: a powdery acid-modified hydrogenated block copolymer (a) having a bulk density of 0.1 to 0.4 g/ml and which is a hydrogenated block copolymer modified by addition of an unsaturated carboxylic acid or a derivative thereof, the hydrogenated block copolymer comprises a polymer block A composed mainly of a vinyl aromatic compound unit and a polymer block B composed mainly of a conjugated diene unit, and has a weight average molecular weight of 50,000 to 500,000; a polyolefin resin (b); a non-aromatic rubber softener (c); and a metal hydrate (d). The flame-retardant composition contains the components (a), (b), (c) and (d) in proportions that satisfy the following relationships (1) to (3): | 11-26-2009 |
20090298995 | ADHESIVE FOR REVERSIBLE, UV-STABLE PSA TAPES - Adhesive for a pressure-sensitive adhesive tape, composed of
| 12-03-2009 |
20090306273 | POLYAMIDE/POLY(ARYLENE ETHER) COMPOSITION, METHOD, AND ARTICLE - A polyamide/poly(arylene ether) composition includes specific amounts of a block copolymer, glass fibers, and a compatibilized blend of at least two polyamides and a poly(arylene ether). The composition is particularly useful for molding automotive under-the-hood components that exhibit an improved balance of moldability, heat resistance, and resistance to brittle failure. | 12-10-2009 |
20090306274 | Coloured Rotomoulded Articles - The present invention discloses coloured rotomoulded articles prepared from a dry blend of pigment and copolymer of ethylene prepared with a catalyst system based on a bridged bistetrahydroindenyl component optionally additivated with polyether-block co-polyamide. | 12-10-2009 |
20090312483 | PRESSURE SENSITIVE ADHESIVE - A hot melt pressure sensitive adhesive composition contains an elastomeric component that includes a solid rubber and a liquid rubber, and a tackifier component. The solid rubber component may contain a blend of SIS/SI and SBS/SB block copolymers. The hot melt pressure sensitive adhesive is particularly useful in label constructions. | 12-17-2009 |
20100010147 | ADHESIVES PREPARED FROM DIPHENYLETHYLENE CONTAINING BLOCK COPOLYMERS - The present invention relates to adhesives and sealants prepared from novel anionic block copolymers of mono alkenyl arenes, diphenylethylenes and conjugated dienes. The block copolymers are unhydrogenated or selectively hydrogenated and have mono alkenyl arene/diphenylethylene end blocks and conjugated diene mid blocks. The block copolymer may be combined with tackifying resins, oils and other components to form the adhesives and sealants of the present invention. | 01-14-2010 |
20100029834 | POLYMER MIXTURE COMPRISING A COMB COPOLYMER - The present invention relates to a polymer mixture consisting of at least one comb copolymer I containing blocks consisting of special structural units and at least one copolymerisate II comprising polymerised, optionally substituted styrene and maleic anhydride units, the carboxyl groups of which are present at least partially as alkali metal, earth alkali metal or ammonium salts, and also to the use of these polymer mixtures as wetting and dispersing agents. | 02-04-2010 |
20100056697 | STYRENE TETRABLOCK COPOLYMERS AND POLYMER BLEND COMPOSITIONS BASED UPON SUCH COPOLYMERS - A composition of matter that may be used to make transparent, substantially gel-free polymeric films includes at least a styrenic block copolymer and a thermoplastic resin other than the styrenic block copolymer. The styrenic block copolymer (e.g. S-I-B-S) has four distinct and sequential blocks: a first styrenic block (S), a first diene block (e.g. isoprene or I), a second diene block that differs from the first diene block (e.g. butadiene or B) and a second styrenic block (S). The styrenic block copolymer desirably lacks any random diene block (e.g. a random isoprene/butadiene block). The styrenic block copolymer also desirably lacks any significant percentage of a triblock copolymer (S-I-B). The composition of matter may also include an extender material such as white mineral oil. The compositions may be used to make mono-layer or multi-layer cast or blown films. | 03-04-2010 |
20100076145 | Thickener composition and method for thickening aqueous systems - A polymer composition with blocks of hydrophobes attached to or within the backbone of an associative thickener. The blocks are composed of two or more units of the same or different hydrophobes whereby the hydrophobe is reversibly switched between being hydrophilic and hydrophobic in nature. When the hydrophobe is rendered hydrophilic, the aqueous thickener is pourable and readily incorporated into aqueous polymer compositions. When this hydrophobe is rendered hydrophobic, the thickener performs its thickening function efficiently, especially in tinted systems. Switching is readily accomplished by adjusting the pH of the associative thickener composition and the aqueous polymer composition being thickened. | 03-25-2010 |
20100168316 | WETTING AGENTS AND DISPERSANTS BASED ON MIXTURES OF STRUCTURE COPOLYMERS - The invention relates to compositions comprising two structured linear copolymers selected from the group consisting of block copolymers and gradient copolymers, these copolymers being prepared by different controlled polymerization techniques and the difference in the polydispersities of these copolymers, Δ(M | 07-01-2010 |
20100174027 | THERMOPLASTIC RESIN COMPOSITION AND FLOOR TILE MADE OF THE SAME - The invention provides a thermoplastic resin composition including a thermoplastic resin component (I) in an amount of 100 parts by mass, and a filler (II) in an amount of 1 to 900 parts by mass, wherein the thermoplastic resin component (I) contains a block copolymer (A) in an amount of 5 to 90 mass %, the block copolymer (A) being at least one species selected from among a block copolymer and a hydrogenated product thereof, the block copolymer having a polymer block (a1) formed mainly of an aromatic vinyl compound unit(s), and a polymer block (a2) formed mainly of a conjugated diene unit(s); a polyolefin resin (B) in an amount of 5 to 90 mass %; and a block copolymer (C) in an amount of 5 to 90 mass %, the block copolymer (C) having a polymer block formed from a repeating unit having a polar group. | 07-08-2010 |
20100190912 | THERMOPLASTIC ELASTOMER COMPOSITION - The present invention relates to a thermoplastic elastomer composition having a durometer hardness (ASTM D2240) of Shore A 30 to 90 comprising:
| 07-29-2010 |
20100222491 | AQUEOUS FLUOROPOLYMER DISPERSION - The present invention has an object to provide an aqueous fluoropolymer dispersion which is excellently prevented from foaming without significant impairment in viscosity and in mechanical stability. The present invention is related to an aqueous fluoropolymer dispersion comprising a particle of fluoropolymer as dispersed in an aqueous medium in the presence of a specific nonionic surfactant, wherein the specific nonionic surfactant comprises a compound having an average total hydrophilic group content of 45 to 90% by mass, each hydrocarbon group in the compound constituting the specific nonionic surfactant is only a hydrocarbon group of 1 to 5 consecutively neighboring carbon atoms, and the fluorinated surfactant in the aqueous fluoropolymer dispersion amounts to 500 ppm or less of the solid matter of the fluoropolymer. | 09-02-2010 |
20100234518 | Branched Polyglycols And Branched Polyether Functional Organopolysiloxanes And Coatings Containing Same - Branched polyglycols and branched polyether functional organopolysiloxanes are disclosed as is a process for making branched polyether functional organopolysiloxanes by reacting an organohydrogensiloxane and a branched polyglycol having an unsaturated group via a hydrosilylation reaction, as well as coating compositions containing branched polyether functional organopolysiloxanes and a binder are disclosed. Coatings resulting from these compositions were more hydrophilic and had improved dirt release properties as compared to coatings containing similar, but un-branched, polyether functional organopolysiloxanes. | 09-16-2010 |
20100240818 | Impact Modification of Thermoplastics with Ethylene/Alpha-Olefin Interpolymers - Impact modified compositions having good impact performance can be made from a thermoplastic (e.g., a polyolefin such as polypropylene or HDPE) and a multi-block ethylene/α-olefin interpolymer. The compositions are easily molded and often have particular utility in making, for example, automotive facia, parts and other household articles. | 09-23-2010 |
20100249312 | WATER-AND OIL-REPELLENT - A water- and oil-repellent comprising an aqueous dispersion of a fluorine-containing copolymer including as a copolymerization unit (a) a perfluoroalkylalkyl (meth)acrylate represented by the general formula C | 09-30-2010 |
20100249313 | High Styrene SBS Hot Melt Adhesive - Multipurpose hot melt adhesive compositions which are suitable for use as both a construction and elastic attachment adhesive for disposable soft goods, such as disposable diapers, feminine sanitary napkins, surgical drapes, hospital pads, and adult incontinent products. The multipurpose hot melt adhesive compositions have a high level of creep resistance, high bond strength, and relatively low viscosity, and are composed of endblock resin in combination with a linear styrene-butadiene-styrene (SBS) copolymer wherein the copolymer has a styrene content greater than about 35% by weight, and preferably about 38% to about 50% by weight. | 09-30-2010 |
20100261832 | PROCESS FOR THE PREPARATION OF A FILM OR A COATING ON A SUBSTRATE WITH AN AQUEOUS DISPERSION OF POLYMER PARTICLES AND THE RESULTING FILMS AND COATINGS - “Process for the preparation of a film or coating on a solid substrate, comprising at least one step of applying to the substrate an aqueous dispersion of polymer particles, composed of a mixture, on the one hand, of one or more block copolymers and, on the other hand, of one or more random copolymers and/or homopolymers; or of a coating composition containing said aqueous dispersion. Said coating composition is, in particular, a paint, a composition for the coating of textiles, of leather or of non-woven fabrics; a composition for the coating of paper; an adhesive composition. Film or coating capable of being obtained by this process.” | 10-14-2010 |
20110003929 | Oil Based Blends of Interpolymers of Ethylene/Alpha-Olefins - Polymer blends comprise at least one ethylene/α-olefin interpolymer and one or more oil. The oil can be an aromatic oil, napththenic oil, paraffinic oil or a combination thereof. The ethylene/α-olefin interpolymers are random block copolymers comprising at least a hard block and at least a soft block. The resulting blends can be used to make flexible molded articles. | 01-06-2011 |
20110009554 | AQUEOUS PIGMENT DISPERSION AND AQUEOUS PIGMENT INK FOR INKJET RECORDING - An aqueous pigment dispersion capable of easily preparing an aqueous pigment ink for inkjet recording, from which is obtained a colored image which is excellent in scratch fastness and excellent in properties on any recording media such as color development on plain papers and gloss on dedicated papers, is provided. An aqueous pigment dispersion containing carbon black or an organic pigment (P), a (meth)acrylic copolymer (A), a polyoxyethylene/polyoxypropylene block copolymer (B) represented by the following general formula (1), a polyether based polyurethane (C), a basic material and water, wherein a mass ratio of the total of nonvolatile contents of (A), (B) and (C) to (P), (A+B+C)/P, is from 0.3 to 1.6; and a mass ratio of A/(A+B+C) is from 0.05 to 0.45, is provided. | 01-13-2011 |
20110015333 | ELASTOMER COMPOSITION AND STORAGE COVER OF AIRBAG DEVICES - The present invention provides an elastomer composition comprising a mixture (a) of a hydrogenated block copolymer (a-1) and a hydrogenated block copolymer (a-2); a polypropylene resin (b); and a hydrocarbon oil (c). The hydrogenated block copolymer (a-1) has a specific structure, a specified number average molecular weight and a specified block content. The hydrogenated block copolymer (a-2) has a specific structure, a specified number average molecular weight, a specified block content, a specified vinyl bond content before hydrogenation and a specified MFR. The polypropylene resin (b) has a specified MFR. The present invention also provides a storage cover of airbag devices which is made of the elastomer composition. | 01-20-2011 |
20110021689 | WATER BORNE CROSSLINKABLE BLOCK COPOLYMERS OBTAINED USING RAFT - There is disclosed a process for obtaining a water-borne crosslinkable composition comprising a block copolymer comprising at least blocks [A] | 01-27-2011 |
20110021690 | FLUORINE-CONTAINING ELASTOMER COMPOSITION - There is provided a fluorine-containing elastomer composition assuring easy kneading and providing a crosslinked article having improved strength. The fluorine-containing elastomer composition comprises (A) an elastomer of a vinylidene fluoride/hexafluoropropylene copolymer having a branching coefficient of 30 to 300 ppm, a Mooney viscosity (ML | 01-27-2011 |
20110034614 | ADHESIVE COMPOSITION - An adhesive composition having good balance in tackiness properties such as tack strength and retentivity, low melt viscosity, high processability, and high stability in melt viscosity under high temperature heating is provided. An adhesive composition containing two hydrogenated block copolymers and a predetermined tackifier is provided, the two hydrogenated block copolymers each having a different structure obtained by controlling the degree of hydrogenation of a block copolymer of a conjugated diene compound and a vinyl aromatic hydrocarbon in a particular range. | 02-10-2011 |
20110060094 | AQUEOUS EMULSION CONTAINING ALPHA-OLEFIN/ (METH) ACRYLATE COPOLYMER AND METHOD FOR MANUFACTURING THE SAME - A method of producing an aqueous emulsion comprising a first step of kneading a mixture containing the following copolymer (A) and a polyoxyethylene polyoxypropylene block copolymer (B) by a multi-axis shearing mixer under heating to obtain a kneaded material, and a second step of dispersing the kneaded material obtained in the first step in water, and an aqueous emulsion comprising a dispersed particle containing the following copolymer (A) and a polyoxyethylene polyoxypropylene block copolymer (B) and dispersed in water, wherein the dispersed particle has a volume-based median size of 0.8 μm or less, are provided: | 03-10-2011 |
20110077346 | THERMOPLASTIC POLYURETHANE COPOLYMER MOLDING COMPOSITIONS - Compositions for forming molded articles, particularly, shells for automotive applications are made up of melt blends of an aliphatic thermoplastic urethane elastomer and one or more polyolefin-based modifiers. These compositions may be blended to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements. | 03-31-2011 |
20110082249 | BLOCK COMPOSITES IN SOFT COMPOUNDS - Embodiments of the invention provide block composites and their use in soft compounds. | 04-07-2011 |
20110092633 | RUBBER COMPOSITION AND TIRE USING THE SAME - This invention relates to a rubber composition capable of improving fracture properties and wear resistance of a tire, and more particularly to a rubber composition formed by compounding a non-compatible polymer blend, which comprises at least two rubber components and forms a polymer phase A and a polymer phase B, with a block copolymer comprising a block-a composed of the same monomer unit as a monomer unit forming the polymer phase A and a block-b composed of the same monomer unit as a monomer unit forming the polymer phase B, wherein at least one of the rubber components has at least one functional group. | 04-21-2011 |
20110098401 | STYRENE BUTADIENE BLOCK COPOLYMER MIXTURES FOR SHRINK-WRAP FILMS - A mixture which comprises | 04-28-2011 |
20110105672 | ADHESIVES COMPOSITION COMPRISING MIXTURES OF MULTI-BLOCK COPOLYMERS - The present invention relates to an adhesive composition comprising a mixture of multi-block copolymers, in particular, an adhesive composition comprising a block copolymer represented by Formula 1, a hydrocarbon adhesive resin and a plasticizer. The adhesive composition according to the present invention can be easily processed due to its low melting point and shows improved adhesive properties such as loop tack, 180° peel strength and holding power. | 05-05-2011 |
20110105673 | THERMOPLASTIC ALIPHATIC URETHANE/UREA MOLDING COMPOSITIONS - Compositions for forming molded articles, particularly, shells for automotive applications are made up of an aliphatic thermoplastic urethane/urea elastomer and, optionally, one or more copolymers, such as an olefin-containing or styrene containing copolymer. These compositions may be used to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements. | 05-05-2011 |
20110112236 | THERMOPLASTIC POLYURETHANE BLOCK COPOLYMER COMPOSITIONS - A novel block copolymer composition including a hydrogenated block copolymer that has at least one block A and at least one block B, and wherein (a) prior to hydrogenation each A block is a mono alkenyl arene homopolymer block and each B block is a controlled distribution copolymer block of at least one conjugated diene and at least one mono alkenyl arene, (b) subsequent to hydrogenation about 0-10% of the arene double bonds have been reduced, and at least about 90% of the conjugated diene double bonds have been reduced, (c) each A block having a number average molecular weight between about 3,000 and about 60,000 and each B block having a number average molecular weight between about 30,000 and about 300,000, (d) each B block comprises terminal regions adjacent to the A blocks that are rich in conjugated diene units and one or more regions not adjacent to the A blocks that are rich in mono alkenyl arene units, (e) the total amount of mono alkenyl arene in the hydrogenated block copolymer is about 5 percent weight to about 50 percent weight, and (f) the weight percent of mono alkenyl arene in each B block is between about 10 percent and about 75 percent. The thermoplastic polyurethane elastomer is present in the block copolymer in an amount from about 50 to about 95 percent by weight of a thermoplastic polyurethane elastomer. | 05-12-2011 |
20110144260 | PIGMENT DISPERSANTS WITH MODIFIED COPOLYMERS - The present invention pertains to salt modified copolymers wherein one of the monomer units contains a quaternized N-atom structure with a polar substituent. The invention further relates to the use of said copolymers as dispersant especially for color filters. The copolymer is made by controlled polymerisation or by conventional polymerization and comprises at least one monomer (MA | 06-16-2011 |
20110152436 | MIXTURE OF CONJUGATED DIENE - VINYL AROMATIC HYDROCARBON COPOLYMERS AND ADHESIVE COMPOSITION HAVING THE SAME - The present invention provides a mixture of conjugated diene-vinyl aromatic hydrocarbon copolymers and an adhesive having the same. The mixture of conjugated diene-vinyl aromatic hydrocarbon copolymers comprises 10 to 45 wt. % of a conjugated diene-vinyl aromatic hydrocarbon di-block copolymer, 10 to 45 wt. % of a conjugated diene-vinyl aromatic hydrocarbon tapered di-block copolymer and 10 to 80 wt. % of a conjugated diene-vinyl aromatic multi-block copolymer. | 06-23-2011 |
20110152437 | Functionalized Ethylene/a-Olefin Interpolymer Compositions - The invention relates to functionalized interpolymers derived from base olefin interpolymers, which are prepared by polymerizing one or more monomers or mixtures of monomers, such as ethylene and one or more comonomers, to form an interpolymer products having unique physical properties. The functionalized olefin interpolymers contain two or more differing regions or segments (blocks), resulting in unique processing and physical properties. | 06-23-2011 |
20110166285 | SEALING MASS THAT CAN BE CROSS-LINKED USING WATER - The invention relates to a cross-linkable composition containing 10-50% by weight of silane-group terminated polymers with a number average molecular weight of between 3,000 and 30,000 g/mol, 0.5 to 20% by weight of (meth)acrylate block copolymers of type A(BA) | 07-07-2011 |
20110184116 | AQUEOUS COATING COMPOSITION AND PROCESS FOR ITS PRODUCTION, AND PROCESS FOR FORMING COATING FILM - To provide an aqueous coating composition which has a high storage stability and which is capable of forming a coating film excellent in gloss, adhesion and water resistance; a process for its production; and a process for forming a coating film by using the aqueous coating composition. | 07-28-2011 |
20110213066 | Hairy Polymeric Nanoparticles With First And Second Shell Block Polymer Arms - Compositions and methods are included for preparing a hairy polymeric nanoparticle including first and second shell block polymer arms are at least partially phase-separated and surround a polymeric core. One type of polymeric arm can have a greater polarity than the other type(s) of polymeric arms. A rubber composition including the hairy nanoparticles is also provided. | 09-01-2011 |
20110213067 | MELT ADHESIVE BASED ON METALLOCENE CATALYZED OLEFIN-A-OLEFIN COPOLYMERS - Melt adhesive containing 5 to 40 wt.-% of at least one ethylene-based copolymer and at least one C | 09-01-2011 |
20110218290 | ZWITTERIONIC/AMPHIPHILIC PENTABLOCK COPOLYMERS AND COATINGS THEREFROM - A zwitterionic/amphiphilic pentablock copolymer was prepared using atom transfer radical polymerization (ATRP). The pentablock copolymer is prepared for the atom transfer radical polymerization of a PDMS-PEO-Br macroinitiator and SBMA. The pentablock copolymer is incorporated into a polyurethane coating composition which is useful for antifouling and/or fouling release applications. | 09-08-2011 |
20110224356 | LOW SURFACE ENERGY BLOCK CO-POLYMER PREPARATION METHODS AND APPLICATIONS - Methods for the preparation of low surface energy block co-polymers are disclosed. The block co-polymers comprise at least two blocks, each of which comprises, in polymerized form, an acrylic monomer, a methacrylic monomer, or a mixture thereof. At least one block is a low surface energy block, which comprises, in polymerized form, a low surface energy monomer. Low surface energy macroinitiators useful in forming the block co-polymers are also disclosed. The block co-polymers may be prepared by nitroxide mediated controlled free radical polymerization. | 09-15-2011 |
20110263782 | High Melt Flow Block Copolymers for Non-Woven Adhesives - The present invention provides a low viscosity block copolymer for non-wovens construction adhesives of the formula [A−(A/B)]nX, wherein A represents an aromatic vinyl compound and (A/B) represents a polymer block obtained by random copolymerization of a mixture of a aromatic vinyl compound and butadiene in a weight ratio in the range of from 2:98 to 30:70, wherein n is an integer in the range of from 1 to 5, and wherein X is the remainder of the coupling agent. | 10-27-2011 |
20110281994 | Thermoplastic Elastomer Composition - There is provided a thermoplastic elastomer composition having excellent flexibility, mechanical properties, scratch resistance, abrasion resistance, and low-temperature characteristics. A crosslinked thermoplastic elastomer composition comprising 5 to 70 parts by mass of (C) a hydrogenated product of a block copolymer having at least one conjugated diene monomer unit block and at least one vinyl aromatic monomer unit block, and 20 to 150 parts by mass of (D) an olefin-based resin, based on 100 parts by mass of the total of (A) an ethylene-α-olefin copolymer comprising an ethylene unit and an α-olefin unit having 3 to 20 carbon atoms, and (B) a copolymer having at least one hydrogenated copolymer block mainly composed of a conjugated diene monomer unit and a vinyl aromatic monomer unit, wherein a mass ratio ((A)/(B)) of the (A) component and the (B) component is from 20/80 to 75/25. | 11-17-2011 |
20110306715 | OLEFIN BLOCK COPOLYMER COMPOSITION WITH LOW TACK - Disclosed are oil-extended olefin block copolymer compositions with low, or no, tack. A unique comonomer content in the soft segment of the OBC in conjunction with the presence of a polyolefin provides the present oil-extended OBC composition with softness, low (or no) tack, and low (or no) oil-bleed. | 12-15-2011 |
20110313096 | Use of Polyetheresters for Rotomolding - The present invention discloses the use in rotomolding or slush molding applications of a composition comprising a polyolefin, a processing aid and optionally a UV-stabilizer. | 12-22-2011 |
20110319548 | THERMOPLASTIC RESIN COMPOSITION - The invention provides a thermoplastic elastomer composition that has an excellent balance between flexibility and heat resistance (creep resistance), shows little tackiness (stickiness) and is not deteriorated in design properties even when exposed to a high temperature. | 12-29-2011 |
20110319549 | ADHESIVE COMPOSITION FOR LABELS - Provided is an adhesive composition for labels, which can be easily applied at a relatively low temperature and has satisfactory die cutting properties so that the adhesive composition can contribute to an improvement of the productivity of labels, and which is capable of producing labels having excellent holding power and tackiness. There is disclosed an adhesive composition for labels comprising: a block copolymer A represented by the following general formula (A); a polymer C, which is a polymer having a glass transition temperature of −30° C. or lower, or a block copolymer that has a polymer block having a glass transition temperature of −30° C. or lower at an end of the polymer chain; and a tackifier resin D. | 12-29-2011 |
20120059108 | ELASTOMER COMPOSITION FOR MEDICAL CONTAINER STOPPER - The object of the present invention is to provide an elastomer composite useful as the material for the plug of a medical vessel having excellent heat resistance, liquid leakage resistance, and a needle holding property, and the present invention provides an elastomer composite comprising;
| 03-08-2012 |
20120149826 | Tapered Asymmetric Block Copolymers and Adhesives Composition Comprising the Same - Provided is a tapered block copolymer having asymmetric vinyl aromatic blocks. The disclosed tapered block copolymer has very superior adhesion properties such as loop tack, 180° peel strength and softening point and may be used to prepare high-quality hot melt adhesives for industrial use. | 06-14-2012 |
20120149827 | Low Application Temperature Hot Melt Adhesive - The invention relates to a low application temperature hot melt adhesive. More specifically, the low application temperature hot melt adhesive comprises olefin copolymers with an average Melt Index greater than 5 but less than about 35 g/10 minutes at 190° C. The adhesive is particularly useful in the construction of nonwoven articles. | 06-14-2012 |
20120165455 | OBC Based Packaging Adhesive - A hot melt adhesive formulation utilizing a blend of polymers which include a polyolefin polymer and an olefinic block copolymer (OBC). The hot melt formulations demonstrate improved hot tack, adhesion, and bond line flexibility over other traditional hot melt adhesives. | 06-28-2012 |
20120172516 | ELASTIC FILM/FIBER FORMULATIONS - The present invention relates to elastic film formulations that have surprisingly high tensile strengths in addition to good viscosity stability and are based on a blend of two styrene block copolymers, namely, styrene-isoprene/butadiene-styrene and styrene-butadiene-styrene. The blend of these two styrenic block copolymers in the range set forth and described herein yield high tensile strength that is at least 50% higher than that of the prior art based styrenic block copolymers and have good viscosity stability. Moreover, the present invention relates to a blend of two different styrene block copolymers that can be made by dry blending the block copolymer components. Then the blend can be extruded into uncross-linked film, fiber, or plurality of fibers. | 07-05-2012 |
20120190786 | THERMOPLASTIC ELASTOMER COMPOSITION, MOLDED ARTICLE, AND SEALING MATERIAL FOR MEDICAL USE - Provided are a thermoplastic elastomer composition comprising: 100 parts by mass of (a) a hydrogenated block copolymer that is a hydrogenated product of a block copolymer containing (A) a polymer block containing a structural unit derived from an aromatic vinyl compound and (B) a polymer block containing a structural unit derived from isoprene or a mixture of isoprene and butadiene, having a total content of a 3,4-bond unit and a 1,2-bond unit of 45% or more, has a peak top molecular weight (Mp) obtained by gel permeation chromatograph in terms of polystyrene standard of from 250,000 to 500,000, and is in a form of powder having a bulk density of from 0.10 to 0.40 g/mL; from 10 to 300 parts by mass of (b) a softening agent; and from 5 to 200 parts by mass of (c) a polyolefin resin, and a molded article and a sealing material for medical use each comprising said thermoplastic elastomer composition. | 07-26-2012 |
20120208946 | BLOCK COPOLYMERS IN SOFT COMPOUNDS - Embodiments of the invention provide block composites and their use in soft compounds. | 08-16-2012 |
20120259055 | POLYCARBONATE COMPOSITIONS HAVING IMPROVED MECHANICAL PROPERTIES - The invention relates to compositions containing at least one (co)polycarbonate stable at high temperature and at least one ethylene-alkyl acrylate block copolymer, and to mouldings and injection moulded parts and extrudates obtainable from these compositions. | 10-11-2012 |
20120270991 | HYDROGENATED RUBBER GRADE FOR THE IMPROVEMENT OF HIGH-TEMPERATURE PROPERTIES - The present invention relates to an elastomeric thermoplastic composition characterized in that it has compression resistance at temperatures between 20° C. and 100° C., comprising hydrogenated styrene-butadiene block copolymers, and to the copolymers that form said composition. Furthermore, the present invention relates to a product that has been obtained by means of the moulding or extrusion of the composition described above. | 10-25-2012 |
20120329939 | POLY(ARYLENE ETHER)-POLY(HYDROXY ETHER) BLOCK COPOLYMER AND METHOD OF MAKING - A poly(arylene ether)-poly(hydroxy ether) block copolymer includes at least one poly(hydroxy ether) block and at least one poly(arylene ether) block, and the mole ratio of poly(hydroxy ether) blocks to poly(arylene ether) blocks is 0.95:1 to about 1.00:1. The poly(arylene ether)-poly(hydroxy ether) block copolymer can be prepared by reacting a telechelic poly(arylene ether) having terminal hydroxyl groups with a telechelic poly(hydroxy ether) epoxy resin having terminal epoxy groups, wherein the mole ratio of the telechelic poly(hydroxy ether) to the telechelic poly(arylene ether) is 0.95:1 to 1.00:1. The poly(arylene ether)-poly(hydroxy ether) block copolymer can be shaped into an article by extrusion, thermoforming, or molding, and is a compatibilizing agent for non-polar and polar polymers. | 12-27-2012 |
20130059964 | PROCESS FOR THE POST-MODIFICATION OF HOMO AND COPOLYMERS PREPARED BY CONTROLLED FREE RADICAL POLYMERIZATION PROCESSES - The instant invention pertains to the preparation of polymers or copolymers wherein in a first step a controlled free radical polymerization process is carried out and in a second step the resulting polymer is modified by transesterification reactions. The final modified polymer or copolymer is useful as a dispersant for pigments. Further aspects of the invention are the thus prepared polymers or copolymers, a pigment concentrate containing the polymer or copolymer and a coating material containing the pigment concentrate. | 03-07-2013 |
20130072621 | PNEUMATIC OBJECT PROVIDED WITH A GASTIGHT LAYER CONTAINING A THERMOPLASTIC ELASTOMER AND A THERMOPLASTIC - A pneumatic object or inflatable article is provided with a gastight elastomer layer. The gastight elastomer layer includes a thermoplastic polyisobutylene block elastomer and hot-melt polymer microdomains based on at least one thermoplastic material. | 03-21-2013 |
20130090420 | THERMOPLASTIC POLYMER COMPOSITION AND MOLDINGS THEREOF - The invention provides a thermoplastic polymer composition which is excellent in flexibility, mechanical properties, moldability, and coloring resistance and which provides excellent adhesion to polar resin, a resin containing an inorganic filler (particularly, glass fiber), ceramic material, glass, or metal, and an article formed from the thermoplastic polymer composition. Specifically, the invention provides a thermoplastic polymer composition containing 100 parts by mass of a hydrogenated block copolymer mixture (a); 0.1 to 100 parts by mass of a polyvinyl acetal (b); and 0.1 to 20 parts by mass of a thermoplastic elastomer (c), wherein the hydrogenated block copolymer mixture (a) contains a hydrogenated block copolymer (a1) comprising at least one polymer block which has aromatic vinyl compound units (A1) and at least one polymer block which has conjugated diene compound units and which has been hydrogenated (B1) and having a polymer block (A1) content of 5 mass % or higher and lower than 40 mass %, and a hydrogenated block copolymer (a2) comprising at least one polymer block which has aromatic vinyl compound units (A2) and at least one polymer block which has conjugated diene compound units and which has been hydrogenated (B2) and having a polymer block (A2) content of 40 mass % to 70 mass %; the polyvinyl acetal (b) has been produced through acetalization of a polyvinyl alcohol having an average polymerization degree of 100 to 4,000 and has an acetalization degree of 55 to 88 mol %; and the thermoplastic elastomer (c) comprises at least one polymer block which has aromatic vinyl compound units (A3), at least one polymer block which has conjugated diene compound units and which has been hydrogenated (B3), and at least one polymer block having a polar functional group (C), and an article formed from the thermoplastic polymer composition. | 04-11-2013 |
20130090421 | Petrolatum Containing Hot Melt Bottle Labeling Adhesive - A novel hot melt adhesive for bonding labels on plastic bottles is described. The adhesive comprises a blend of a styrenic block copolymer, an ethylene vinyl acetate copolymer, a tackifying resin, petrolatum and optionally a wax. The use of petrolatum instead of mineral oil provides for better elevated temperature resistance than traditional formulations. | 04-11-2013 |
20130096247 | POLYOLEFIN-BASED RESIN COMPOSITION - Provided is a polyolefin-based resin composition capable of obtaining a molded product having a high modulus of elongation and a low coefficient of linear expansion. The polyolefin-based resin composition includes a polyolefin-based resin containing either one or both of an acid-modified polyolefin-based resin and a polyolefin-based resin with a hydroxyl group, and flaked graphite. The flaked graphite is uniformly dispersed in the polyolefin-based resin. As a result, a molded product formed by using the polyolefin-based resin composition has excellent mechanical strength such as a high modulus of elongation, a low coefficient of linear expansion, and high dimensional stability, and can be used for various applications such as a material that is suitable for use as the exterior panels of automobiles or a steel sheet replacement material. | 04-18-2013 |
20130131254 | PROCESS FOR PRODUCING POLYMER DISPERSIONS - The present invention relates to a process for producing a dispersion comprising at least one carrier medium, at least one emulsifier and at least one polymer based on polyolefins, by dispersing a heterogeneous composition using a mixer which works by the rotor-stator principle. The present invention additionally describes a polymer dispersion obtainable by the process. | 05-23-2013 |
20130225751 | LOW MOLECULAR WEIGHT POLYSTYRENE RESIN AND METHODS OF MAKING AND USING THE SAME - A low z-average molecular weight, high softening point polystyrene resin having a narrow molecular weight distribution, as well as methods of making and using the same, are provided. The use of an inert solvent and/or the order of addition of reactants during polymerization may contribute to the unique properties of the final homopolymeric resin. The polystyrene resin can be partially or fully hydrogenated and may have particular use as a tackifying agent in a variety of hot melt adhesive and rubber compositions. | 08-29-2013 |
20130225752 | Polypropylene-Based Adhesive Compositions - The present invention is related to adhesive compositions and their applications. In particular, the adhesive compositions described herein comprise a two or more propylene-based copolymers with varying comonomer content. | 08-29-2013 |
20130225753 | POLYMER COMPOSITION AND A MOLDED ARTICLE THEREOF - A polymer composition comprising a methacrylic resin (A) having not less than 50% by mass of repeated units derived from methyl methacrylate, a block copolymer (B) having a polymer block (a) composed of repeated units derived from an alkyl(meth)acrylate ester and a polymer block (b) composed of repeated units derived from a conjugated diene compound and flowable polyorganosiloxane (C), wherein the amount of the block copolymer (B) is 1 to 80 parts by mass relative to 100 parts by mass of the methacrylic resin (A), the amount of the flowable polyorganosiloxane (C) is 0.05 to 0.5 part by mass relative to 100 parts by mass of the block copolymer (B), and a phase composed of the block copolymer (B) is dispersed in a continuous phase composed of the methacrylic resins (A). | 08-29-2013 |
20130225754 | METHOD OF PREPARING ENCAPSULATED PIGMENT DISPERSIONS WITH MONOMERS WHICH HAVE A LOWER CRITICAL SOLUTION TEMPERATURE - Processes for encapsulating pigment dispersions is described and are used in inkjet inks providing stability with regard to heat aging test conditions and solvent challenges. Prints from these inks have better durability than prints made from dispersions that are not encapsulated. | 08-29-2013 |
20130261247 | ELASTIC METHACRYLATE COMPOSITIONS - A two-part adhesive composition exhibiting improved elasticity wherein its composition includes one or more acrylate or methacrylate ester monomers, a sulfur bearing compound, preferably a sulfonyl chloride, an amine promoter, preferably, an amine aldehyde reaction product, and a thermoplastic block copolymer component selected from the group consisting of
| 10-03-2013 |
20130274403 | Bleed Resistant, Oil-Extended Olefin Block Copolymer Composition with Precipitated Silica - Disclosed are oil-extended olefin block copolymer compositions with precipitated silica. The precipitated silica reduces oil-bleed while maintaining composition softness. | 10-17-2013 |
20130289193 | Polycarbonate Resin Composition Having Excellent Chemical Resistance - A polycarbonate resin composition includes: (A) an aromatic polycarbonate in an amount of about 5 to about 95% by weight, (B) a siloxane-based polycarbonate in an amount of about 5 to about 90% by weight, and (C) a syndiotactic polystyrene in an amount of 0 to about 5% by weight. The polycarbonate resin composition can have excellent flowability, injection moldability, impact strength, chemical resistance, and transparency. | 10-31-2013 |
20130310508 | Inverse Dispersion Comprising an Anionic or a Nonionic Polymer and a Stabilizing Agent - An inverse dispersion comprising
| 11-21-2013 |
20130324656 | HYDROGENATED BLOCK COPOLYMER AND COMPOSITION COMPRISING SAME - Provided are a block copolymer and a thermoplastic elastomer composition each of which is excellent in both tensile strength and elastic recovery, and has good abrasion resistance. Specifically, provided are a hydrogenated block copolymer, which is obtained by hydrogenating a block copolymer having two or more polymer blocks (a) each containing a structural unit derived from an aromatic vinyl compound and one or more polymer blocks (b) each containing structural units derived from isoprene and 1,3-butadiene, in which the hydrogenated block copolymer has a crystallization peak temperature (Tc) defined as described below of −3 to 15° C., and a thermoplastic elastomer composition containing the hydrogenated block copolymer: (crystallization peak temperature (Tc)) a peak top temperature of an exothermic peak observed when the temperature of a sample is increased from 30° C. to 150° C. at a rate of temperature increase of 10° C./min and then the sample is cooled to −100° C. at a rate of temperature decrease of 10° C./min, the peak top temperature being measured with differential scanning calorimeter (DSC), is defined as the crystallization peak temperature (Tc). | 12-05-2013 |
20140051794 | Thermoplastic Poly(Arylene Ether)/Polyamide Blends and Method of Making - A thermoplastic composition comprises:
| 02-20-2014 |
20140080963 | Paramethylstyrene Block Copolymers And Their Use - The present invention comprises an uncrosslinked composition of a styrenic block copolymer and PMS-I/B-PMS (paramethylstyrene-isoprene/butadiene-paramethylestyrene) block copolymer, optionally with one or more antioxidants and a carbon radical scavenger. The mid-block IB is a random mixture of isoprene and butadiene. Further, a process is disclosed for making the uncrosslinked composition. The present invention also includes an uncrosslinked composition of homo polystyrene, and PMS-I/B-PMS block copolymer, optionally with one or more antioxidants and a carbon radical scavenger. The present invention also comprises a crosslinked polyolefin-free composition of PMS-I/B-PMS block copolymer, optionally with a styrenic block copolymer and one or more antioxidants, a carbon radical scavenger, and free radical initiator. The present invention also includes an article incorporating an uncrosslinked composition of a styrenic block copolymer and homo polystyrene, and PMS-I/B-PMS block copolymer, optionally with one or more antioxidants and a carbon radical scavenger. | 03-20-2014 |
20140080964 | GLUE, ITS USAGE AND METHOD FOR APPLYONG ON A PVC FLOOR - A glue is provided comprising by weight: styrene-ethylene/butylene-styrene block copolymer 15-30%; amorphous poly alpha olefin 2-20%; hydrogenated petroleum resin 20-40%; liquid isobutylene homopolymer 1-10%; mineral oil 20-50%; and antioxidants 0.1-2%. The glue has high strength when cured but low viscosity. When serving as back-glue of PVC flooring, it has greater bonding force to the PVC flooring than to the ground. The glue will not be damaged by the ground, and there will be no adhesive residue attached to the ground when the floor coverings are separated from the ground due to some reasons such as misplacement. Therefore the glue can be resistant to repeated tiling. In the meantime, the floor coverings, such as a PVC floor, will not be damaged after separation from the ground due to misplacement. | 03-20-2014 |
20140100320 | EPOXY RESIN COMPOSITION, PREPREG AND FIBER-REINFORCED COMPOSITE MATERIAL - An epoxy resin composition comprising an epoxy resin [A], an amine-based curing agent [B] and a block copolymer [C] as components, wherein the epoxy resin [A] contains [Aa] an epoxy resin having at least one structure selected from a condensed polycyclic structure, biphenyl structure and oxazolidone ring structure; [Ab] an epoxy resin selected from a polyfunctional amine type epoxy resin [Ab1] and a liquid bisphenol type epoxy resin [Ab2], and the block copolymer [C] is at least one block copolymer selected from the group consisting of S-B-M, B-M and M-B-M. The present invention provides an epoxy resin composition that can be cured to form a cured product excellent in heat resistance, elastic modulus and toughness. | 04-10-2014 |
20140221552 | TRIBLOCK COPOLYMER, METHOD FOR ITS FORMATION, AND COMPATIBILIZED COMPOSITIONS COMPRISING IT - A poly(phenylene ether)-poly(hydroxy ether)-poly(phenylene ether) (PPE-PHE-PPE) triblock copolymer is formed by reaction of a monohydroxy-terminated poly(phenylene ether) with a diepoxy-terminated poly(hydroxy ether) in the presence of a base. The PPE-PHE-PPE triblock copolymer is useful as a compatibilizer in blends of polar polymers and non-polar polymers. The PPE-PHE-PPE triblock copolymer is also useful as a compatibilizer for non-polar polymers and polar fillers. | 08-07-2014 |
20140256867 | PSA CONTAINING OLEFIN BLOCK COPOLYMERS AND STYRENE BLOCK COPOLYMERS - The invention relates to storage-stable hot-melt adhesive containing 15 to 70 wt % of a mixture of at least one copolymer based on ethylene and/or propylene and at least one C4 to C20 α-olefin which is obtainable as a block copolymer by metallocene-catalysed polymerisation, and at least one styrene block copolymer, 10 to 70 wt % of at least one tackifying resin, 0 to 40 wt % of further additives, wherein the total of the percentages should amount to 100% and the tackifying resin is entirely or in part a soft resin. | 09-11-2014 |
20140275392 | POLYAMIDE MOULDING COMPOUND AND MOULDED ARTICLES PRODUCED HEREFROM - The invention relates to a polyamide moulding compound made of a polyamide (PA MACM12) made of bis(3-methyl-4-aminocyclohexyl)methane (MACM) and dodecanedioic acid, a polyamide (PA PACM12) made of bis(4-aminocyclohexyl)methane (PACM) and dodecanedioic acid, a polyamide (PA MACM10) made of bis(3-methyl-4-aminocyclohexyl)methane and decanedioic acid, a polyamide (PA PACM10) made of bis(4-aminocyclohexyl)methane and decanedioic acid, a polyamide (PA MACM14) made of bis(3-methyl-4-aminocyclohexyl)methane and tetradecanedioic acid, a polyamide (PA PACM14) made of (bis(4-aminocyclohexyl)methane and tetradecanedioic acid and also mixtures and copolyamides thereof. Furthermore, the moulding compound comprises as impact modifier a functionalised styrene-ethylene/butylene-styrene block copolymer and also possibly further additives. Likewise, the invention relates to moulded articles produced from this polyamide moulding compound. | 09-18-2014 |
20140343216 | TIRE PROVIDED WITH AN INNER LAYER COMPRISING A MIXTURE OF A DIENE ELASTOMER AND A THERMOPLASTIC ELASTOMER - A tire includes an internal layer, having improved airtightness. The layer includes at least one rubber composition, which includes: at least one or more diene elastomers at a total content of 1 to 99 phr, one or more thermoplastic elastomers having a polyisobutylene block at a total content of 1 to 99 phr, optionally a reinforcing filler at a content of 0 to 120 phr, and a crosslinking system. | 11-20-2014 |
20140350164 | BLOCK COPOLYMER COMPOSITION FOR HOT MELT ADHESIVE - Provided is a block copolymer composition for a hot melt adhesive, which can provide a hot melt adhesive composition having excellent softening agent retainability, heat resistance and transparency. Disclosed is a block copolymer composition for a hot melt adhesive, comprising a block copolymer A and a block copolymer B each having a particular structure, characterized in that the aromatic vinyl monomer unit content of the block copolymer A is 30% to 50% by weight; the aromatic vinyl monomer unit content of the block copolymer B is 15% to 25% by weight; a content of the aromatic vinyl monomer units relative to all polymer components of the block copolymer composition is 18% to 45% by weight; the weight ratio (A/B) of the block copolymer A with respect to the block copolymer B is 20/80 to 80/20; and the ratio (MwA/MwB) of the weight average molecular weight of the block copolymer A (MwA) with respect to the weight average molecular weight of the block copolymer B (MwB) is 0.65 to 1.5. | 11-27-2014 |
20140364555 | HIGH FLOW, HYDROGENATED STYRENE-BUTADIENE-STYRENE BLOCK COPOLYMERS AND APPLICATIONS - The invention relates to unique applications for the novel high melt flow, low viscosity, selectively hydrogenated styrene-butadiene-styrene (hSBS) or selectively hydrogenated controlled distribution styrene-butadiene/styrene-styrene (hSBSS) block copolymers, wherein the melt flow rate of said block copolymer is at least 100 g/10 min at 230° C. under 2.16 kg mass according to ASTM D1238. These block copolymers are novel and have the highest melt flow rate of any styrenic block copolymer also possessing high strength and elasticity. It has applications that prior to the present invention were not normally possible due to the normal low melt flow rate of styrenic block copolymers. The present invention also encompasses various fields of use such as a fiberglass hSBS or hSBSS reinforced mat, low viscosity hSBS or hSBSS coatings for industrial uses, hot melt adhesives prepared from hSBS or hSBSS blended with polyalpha-olefins, and elastic film, fiber, and nonwoven constructions using hSBS or hSBSS. | 12-11-2014 |
20140371376 | Adhesive Paste with Increased Temperature Stability and Use Thereof for an Adhesive Tape - The invention relates to an adhesive paste containing at least • a vinyl aromatic block copolymer • at least one adhesive resin • a second copolymer based on a vinyl aromatic and on an unsaturated anhydride, wherein the vinyl aromatic content is preferably at least 50 mol %. | 12-18-2014 |
20140371377 | HIGH FLOW, HYDROGENATED STYRENE-BUTADIENE-STYRENE BLOCK COPOLYMERS AND APPLICATIONS - The invention relates to unique applications for the novel high melt flow, low viscosity, selectively hydrogenated styrene-butadiene-styrene (hSBS) or selectively hydrogenated controlled distribution styrene-butadiene/styrene-styrene (hSBSS) block copolymers, wherein the melt flow rate of said block copolymer is at least 100 g/10 min at 230° C. under 2.16 kg mass according to ASTM D1238. These block copolymers are novel and have the highest melt flow rate of any styrenic block copolymer also possessing high strength and elasticity. It has applications that prior to the present invention were not normally possible due to the normal low melt flow rate of styrenic block copolymers. The present invention also encompasses various fields of use such as a fiberglass hSBS or hSBSS reinforced mat, low viscosity hSBS or hSBSS coatings for industrial uses, hot melt adhesives prepared from hSBS or hSBSS blended with polyalpha-olefins, and elastic film, fiber, and nonwoven constructions using hSBS or hSBSS. | 12-18-2014 |
20140378601 | Reinforced Polypropylene Composition - The present disclosure provides a composition comprising:
| 12-25-2014 |
20150011693 | Dispersed phase polymerization of halogenated vinyl monomers in the presence of live reactive stabilizers - The present invention concerns a method for the dispersed phase polymerisation of halogenated vinyl compounds, having the formula R | 01-08-2015 |
20150018476 | FLUORINATED ACRYLATE BLOCK COPOLYMERS WITH LOW DYNAMIC SURFACE TENSION - The present invention relates to a composition, comprising a binder resin, a block copolymer which comprises at least a block A and a block B, wherein the block A comprises monomer units derived from a compound selected from (meth)acrylic acid, a (meth)acrylic acid ester, a (meth)acrylamide, a vinyl aromatic compound, or any mixture thereof, the block B comprises monomer units derived from a compound selected from a fluorinated (meth)acrylic ester having the following formula (I): H | 01-15-2015 |
20150065638 | POLYOLEFIN ADHESIVE COMPOSITION - The invention provides an adhesive formulation comprising an olefin block copolymer comprising hard blocks and soft blocks wherein the hard blocks comprise 4-8 mol % comonomer; and are present in an amount of 20 wt %-45 wt %. This formulation is particularly advantageous for use in hot melt adhesives but may be used in other applications as well. | 03-05-2015 |
20150126672 | USE OF THERMOPLASTIC COMPOSITION COMPRISING POLYETHER-BLOCK COPOLYAMIDES AS ADDITIVE - The present invention discloses the use in rotomolding or slush molding applications of a composition comprising a polyolefin, a processing aid and optionally a UV-stabilizer. | 05-07-2015 |
20150148473 | APAO-based hot melt adhesives - Ethylene-co-propylene-co-butene-1 terpolymers, made either with or without an in-reactor-added organosilicon external donor, are used in the formulation of improved-performance, APAO-based, hot melt adhesives. | 05-28-2015 |
20150322302 | LOW APPLICATION TEMPERATURE HOT MELT ADHESIVE - The invention relates to a low application temperature hot melt adhesive. More specifically, the low application temperature hot melt adhesive comprises olefin copolymers with an average Melt Index greater than 5 but less than about 35 g/10 minutes at 190° C. The adhesive is particularly useful in the construction of nonwoven articles. | 11-12-2015 |
20150344683 | REDUCING FOULING IN HEAT EXCHANGERS - In the solution polymerization of ethylene co and homopolymers the solution leaving the reactor is heated to separate polymer from solvent and residual monomers. Fouling in the heat exchanger may be reduced by adding to the solution from 0.01 to 100 ppm by weight of a polyoxyalkylene compound of the formula | 12-03-2015 |
20160002454 | COMPOSITION COMPRISING A COPOLYMER - The invention relates to a composition comprising 1 to 70 wt % of at least one copolymer obtainable by polymerizing a mixture of monomers comprising (I) at least one ethylenically unsaturated monomer which comprises at least one radical from the series carboxylic acid, carboxylic salt, carboxylic ester, carboxylic amide, carboxylic anhydride, and carboxylic imide, and (II) at least one ethylenically unsaturated monomer having a polyalkylene oxide radical, 0.01 to 10 wt % of at least one emulsifier, and 30 to 98 wt % of at least one hydrocarbon liquid at 20° C. or a hydrocarbon mixture. Also disclosed are a process for preparing the composition, and a pulverulent mixture comprising the composition of the invention. | 01-07-2016 |
20160009966 | HOT MELT ADHESIVE | 01-14-2016 |
20160040047 | HOT-MELT ADHESIVE AGENT - The present invention provides a hot-melt adhesive agent which is capable of applying at low temperature, and has an excellent adhesiveness to a polyolefin substrate, and a disposable product obtained by employing the hot-melt adhesive agent. A hot-melt adhesive agent comprising a thermoplastic block copolymer (A) which is a copolymer of vinyl class aromatic hydrocarbons and conjugated diene compounds, wherein
| 02-11-2016 |
20160046802 | Thermoplastic Rubber Composition and Molded Product Using Same - Disclosed is a thermoplastic rubber composition comprising, based on 100 parts by weight of a block terpolymer (A) of an aromatic vinyl compound and an alkene compound, 50 to 100 parts by weight of a paraffin oil (B), 30 to 70 parts by weight of an inorganic additive (C), 5 to 30 parts by weight of a polyolefin-based resin (D), and 30 to 70 parts by weight of an acryl-based resin (E). The hardness of the thermoplastic rubber composition may be freely adjusted and the thermoplastic rubber composition has a bonding strength of 2 to 4 N/mm as measured using a UTM according to a KS M 6518 peeling test method. Accordingly, bonding strength thereof to a thermoplastic resin is increased even without addition of an adhesive. | 02-18-2016 |
20160068669 | BRUSH BLOCK COPOLYMER INFRARED 1-D PHOTONIC CRYSTALS USING LINEAR POLYMER ADDITIVES - The present invention is directed to brush block copolymer compositions comprising first and second homopolymers or random copolymers whose presence provides access to photonic bandgaps in the infrared frequency range, their use in this capacity, and methods of making the same. The specific parameters associated with these compositions are described within the specification. | 03-10-2016 |
20160108228 | THERMOPLASTIC ELASTOMER COMPOSITION AND MOLDED BODY - The thermoplastic elastomer composition of the present invention is a thermoplastic elastomer composition including a hydrogenated block copolymer (A) and a softening agent (B), the hydrogenated block copolymer (A) being a hydrogenated product of a block copolymer including a polymer block (a) composed of a constitutional unit derived from an aromatic vinyl compound and a polymer block (b) containing 1 to 100% by mass of a constitutional unit (b1) derived from farnesene and 99 to 0% by mass of a constitutional unit (b2) derived from a conjugated diene other than farnesene; a mass ratio of the polymer block (a) and the polymer block (b) [(a)/(b)] being 1/99 to 70/30; 50 mol % or more of carbon-carbon double bonds in the polymer block (b) being hydrogenated; and a content of the softening agent (B) being 20 to 2,000 parts by mass on the basis of 100 parts by mass of the hydrogenated block copolymer (A). | 04-21-2016 |
20160152758 | Compatibilized Tire Tread Compositions | 06-02-2016 |
20160160038 | THERMOPLASTIC ELASTOMER COMPOUNDS EXHIBITING SHAPE MEMORY VIA THERMO-MECHANICAL ACTION - A thermoplastic elastomer compound is disclosed having a high strain recovery rate and a high strain fixity rate to provide shape memory, preferably manageable shape memory. One type of thermoplastic elastomer compound is comprises a maleated styrenic block copolymer and polycaprolactone to achieve the shape memory. A second type of thermoplastic elastomer compound comprises styrene-ethylene/butylene-styrene and a paraffin wax having less than about 0.5% oil content. Shape modes of articles made from the thermoplastic elastomer compound can be altered by at least one thermo-mechanical event to cause deformation of the compound from a first shape to a second shape with retention of the compound in the second shape for any reasonable time interval. | 06-09-2016 |
20160160073 | Methods and Compositions for Material Extrusion 3D Printing - Methods and compositions directed to blends of acrylonitrile butadiene styrene (ABS) with styrene ethylene butadiene styrene (SEBS) are disclosed. In certain aspects, the blends further include an ultrahigh molecular weight polyethylene (UHMWPE). In a further aspect, the blends are compatible with 3D printing platforms. | 06-09-2016 |
20160168303 | MONO VINYL AROMATIC CONJUGATED DIENE BLOCK COPOLYMER AND POLYMER COMPOSITION COMPRISING SAID BLOCK COPOLYMER AND A MONO VINYLARENE ACRYLATE COPOLYMER | 06-16-2016 |
20160177083 | HYDROGENATED BLOCK COPOLYMER AND COMPOSITION COMPRISING SAME | 06-23-2016 |
20160251505 | REINFORCED POLYPROPYLENE COMPOSITION | 09-01-2016 |
20160251538 | COPOLYMER FORMULATION FOR DIRECTED SELF-ASSEMBLY, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME | 09-01-2016 |
20190144646 | RUBBER COMPOSITION FOR TIRES, AND PNEUMATIC TIRE USING THE SAME | 05-16-2019 |
20190144669 | HEAT-RESISTANT RESIN COMPOSITION AND MOLDED ARTICLE OBTAINED THEREFROM | 05-16-2019 |