Patent application number | Description | Published |
20090082509 | Propylene Polymer Composition - A propylene polymer composition having a high impact strength and a high stiffness for the manufacture of parts having an excellent surface quality comprising
| 03-26-2009 |
20090137722 | Polypropylene Resin With Low Shrinkage, High Impact Strength, Stiffness and Scratch Resistance - The present invention relates to a polypropylene resin with low shrinkage, excellent impact strength and high stiffness and scratch resistance which comprises
| 05-28-2009 |
20100022715 | LAYER FOR CABLES HAVING IMPROVED STRESS WHITENING RESISTANCE - The present invention relates to a Insulation layer for cables, a composition and a process thereof, showing improved stress whitening resistance by maintaining good mechanical and electrical properties and being environmental friendly. | 01-28-2010 |
20100093939 | Improved Transparent Polypropylene Composition - The present invention relates to a composition, in particular to a polypropylene composition, and articles thereof, having an optimal balance between mechanical properties and transparency and thus the composition is particular suitable for packaging applications. | 04-15-2010 |
20100247375 | POLYOLEFIN COMPOSITIONS HAVING IMPROVED OPTICAL AND MECHANICAL PROPERTIES - The invention relates to the use of a polyolefin composition comprising a propylene-ethylene random copolymer having an ethylene content of 0.5-10 wt % and a randomness R of the ethylene distribution in the polymer chain of ≧0.945 for the production of articles having high sterilisation resistance. | 09-30-2010 |
20100249329 | STERILISABLE AND TOUGH IMPACT POLYPROPYLENE COMPOSITION - The present invention relates to a heterophasic polypropylene composition which is sterilisable and has a high impact strength as well as improved optical properties both before and after a step of heat sterilisation. Furthermore, the present invention relates to a film comprising said heterophasic polypropylene composition, and to the use of said composition for the production of a film. Finally, the present invention is directed to the use of such a film as a packaging material for medicals and/or food. The heterophasic polypropylene composition comprises a matrix resin which comprises (A) a propylene homopolymer and (B) a propylene random copolymer; and a dispersed phase which comprises (C) an ethylene-propylene rubber wherein (i) the melting point of the heterophasic polypropylene composition is at least 145° C. and (ii) the content of comonomer in the matrix resin is at least 0.5 wt % based on the entire matrix resin without any additives. | 09-30-2010 |
20110034634 | HIGH PURITY HETEROPHASIC PROPYLENE COPOLYMERS - High purity heterophasic polypropylene copolymers comprising (A) 73 to 98 wt % of a propylene homo- or copolymer matrix with an MFR | 02-10-2011 |
20110065873 | POLYPROPYLENE COMPOSITION WITH IMPROVED OPTICS FOR FILM AND MOULDING APPLICATIONS - The present invention relates to a polypropylene composition comprising a propylene homopolymer or a propylene random copolymer having at least one comonomer selected from alpha-olefins with 2 or 4-8 carbon atoms and a comonomer content of not more than 8.0 wt %, wherein the propylene homo- or copolymer is polymerized in the presence of a Ziegler-Natta catalyst, and the polypropylene composition has a MWD of 2.0 to 6.0 and an MFR (2.16 kg/230° C.) of 4.0 g/10 min to 20.0 g/10 min, characterized in that the polypropylene composition has not been subjected to a vis-breaking step, the use of the inventive polypropylene composition for the production of a film and/or injection molded articles, a process for preparing a film wherein the inventive polypropylene composition is formed into a film, and wherein the polypropylene composition has not been subjected to a vis-breaking step and a film comprising the inventive polypropylene composition. | 03-17-2011 |
20110086970 | THERMOPLASTIC POLYOLEFINS WITH HIGH FLOWABILITY AND EXCELLENT SURFACE QUALITY PRODUCED BY A MULTISTAGE PROCESS - Reactor grade thermoplastic polyolefins with high flowability and excellent surface quality comprising (A) 40-90 wt % of a propylene homo- or copolymer matrix with an MFR in accordance with ISO 1 133 (230° C., 2.16 kg load) of >200 g/10 min and (B) 2-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of ≦2.8 dl/g and an ethylene content of >50 to 80 wt % and (C) 8-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of 3.0-6.5 dl/g and an propylene content of 50 to 80 wt %, the reactor grade thermoplastic polyolefins being obtainable by a multistage polymerization process with at least 3 polymerization steps in the presence of a catalyst system comprising (i) a Ziegler-Natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and (ii) an organometallic cocatalyst and (iii) external donor represented by formula (I) Si(OCH | 04-14-2011 |
20110129627 | COMPOSITION BASED ON POLYPROPYLENE COMPOUNDS WITH STYRENIC BASED ELASTOMERS - Polymer composition comprising—a heterophasic propylene copolymer comprising a polypropylene matrix and an elastomeric propylene copolymer comprising at least one comonomer selected from the group consisting of ethylene and C | 06-02-2011 |
20110196078 | NOVEL PROPYLENE POLYMER BLENDS - The invention relates to propylene polymer blends comprising 70-92 wt % of a propylene homopolymer, 5-15 wt % of an elastomeric ethylene-propylene copolymer, 3-15 wt % of a linear low density polyethylene and an a-nucleating agent. The propylene polymer blends have an excellent impact strength/stiffness balance and optical properties. They are especially suitable for thermoforming and extrusion blow moulding. | 08-11-2011 |
20110201758 | Tough composition for food applications - Heterophasic polypropylene composition comprising:—a polypropylene matrix (M) and—an elastomeric copolymer (E) being dispersed in the matrix (M), wherein the elastomeric copolymer (E) comprises units derived from—propylene and—ethylene and/or C4 to C20 α-olefin, and wherein further,—the intrinsic viscosity of the xylene cold soluble fraction (XCS) of the heterophasic polypropylene composition is above 2.1 dl/g measured according to ISO 1628-1 (at 135° C. in decaline) and/or—Mz/Mw of the xylene cold soluble fraction (XCS) of the heterophasic polypropylene composition is more than 2.6, preferably 2.7, wherein the Mz is the z-average molecular weight measured according to ISO 16014-4:2003 and Mw is the weight average molecular weight measured according to ISO 16014-4:2003. | 08-18-2011 |
20110218293 | NOVEL PROPYLENE POLYMER COMPOSITIONS - The invention relates to propylene polymer compositions comprising 50-70 wt % of a propylene homo- or copolymer, 5-20 wt % of a first elastomeric ethylene-propylene copolymer, 5-25 wt % of a second elastomeric ethylene-propylene copolymer and 5-30 wt % of an ethylene polymer. The propylene polymer compositions are suitable for moulding and they have low haze and a good impact strength/stiffness balance with good impact strengths at low temperatures. | 09-08-2011 |
20120034454 | COMPOSITION AND FILM COMPRISING A C4-C10 ALPHA OLEFIN CONTAINING POLYOLEFIN - The present invention relates to a composition comprising (A) an LDPE in an amount of 15 to 50 wt.-% and (B) a polymer blend in an amount of 50 to 85 wt.-%, wherein polymer blend (B) consists of 20-80 wt.-% propylene random copolymer having a C | 02-09-2012 |
20120088086 | PROCESS FOR THE PRODUCTION OF PROPYLENE RANDOM COPOLYMERS FOR INJECTION MOULDING APPLICATIONS - Process for the production of polypropylene random copolymers containing 2.5 to 5.0 wt % of ethylene as comonomer and having an MFR | 04-12-2012 |
20130143996 | COMPOSITION - A composition comprising: (I) 60 to 92.5 wt % of a first component which is a polypropylene polymer comprising a) 40 to 85 wt % of a propylene polymer A having a melt flow rate (MFR | 06-06-2013 |
20130203908 | STIFF POLYPROPYLENE COMPOSITION WITH EXCELLENT ELONGATION AT BREAK - Polypropylene composition comprising (a) a high melt strength polypropylene having a melt flow rate MFR2 (230° C.) of equal or below 15 g/lOmin and a branching index g′ of below 1.0, (b) a first heterophasic propylene copolymer comprising a polypropylene having a melt flow rate MFR2 (230° C.) in the range of 50 to 500 g/lOmin and an elastomeric propylene copolymer having a propylene content in the range of 50 to 80 wt.-% and an intrinsic viscosity (IV) of equal or more than 2.5 dl/g, (c) a second heterophasic propylene copolymer comprising a random propylene copolymer having a melt flow rate MFR2 (230° C.) in the range of 1 to 40 g/lOmin, a branching index g′ of 1.0, and a comonomer content of more than 0.5 wt.-%, and an elastomeric propylene copolymer having a propylene content in the range of 50 to 80 wt.-%, and an intrinsic viscosity (IV) of equal or below 2.4 dl/g, (d) a polyethylene plastomer having an ethylene content of at least 50 wt.-%, and (e) a mineral filler (F). | 08-08-2013 |
20130253125 | HIGH FLOW AND STIFF POLYMER MATERIAL WITH GOOD TRANSPARENCY AND IMPACT PROPERTIES - Polypropylene composition having a melt flow rate MFR | 09-26-2013 |
20130267660 | SOFT HETEROPHASIC PROPYLENE COPOLYMERS - Heterophasic propylene copolymer comprising a) a propylene homo- or copolymer matrix with an MFR 2 of ≧150 g/10 min according to ISO 1133 (230° C., 2.16 kg load) and b) a trimodal elastomeric propylene copolymer dispersed in said matrix, wherein (i) thexylene cold soluble fraction of the heterophasic propylene copolymer at room temperature is present in an amount of 20 to 80 wt % of the of the heterophasic propylene copolymer, (ii) the amorphous phase of the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity measured according to ISO 1628-1 (at 135° C. in tetraline) of at least 2.5 dl/g (iii) said of the heterophasic propylene copolymer has a flexural modulus lower than 800 MPa according to ISO 178, a melting temperature measured by DSC from 155 to 170° C. and a total ethylene content from 10 to 35 wt %; and a process for its production. | 10-10-2013 |
20130267667 | PROCESS FOR POLYMERIZING PROPYLENE - Process for producing a propylene homopolymer, a propylene random copolymer or a heterophasic propylene polymer, which process comprises the steps of (a) prepolymerisation, (b) slurry phase polymerisation (c) gas phase polymerisation and optionally (d) one or two further gas phase polymerisation(s), whereby the process is performed in the presence of a catalyst system comprising (x) a Ziegler-Natta procatalyst and (y) an organometallic cocatalyst and (z) an external donor represented by formula (II) and/or (III) Si(OCH | 10-10-2013 |
20130303684 | BOPP FILM WITH HIGH AC BREAKDOWN STRENGTH - Polypropylene composition comprising a polypropylene and an α-nucleating agent, wherein the polypropylene composition has •a comonomer content of equal or below 1.0 wt.-%, •<2,1> erythro regiodefects of more than 0.1 mol.-%, and •at least 9.0 wt-% of a crystalline fraction crystallizing in the temperature range of above 160 to 170° C., wherein said fraction is determined by the stepwise isothermal segregation technique (SIST). | 11-14-2013 |
20140045994 | THERMOPLASTIC POLYOLEFINS WITH HIGH FLOWABILITY AND EXCELLENT SURFACE QUALITY PRODUCED BY A MULTISTAGE PROCESS - Reactor grade thermoplastic polyolefins with high flowability and excellent surface quality comprising (A) 40-90 wt % of a propylene homo- or copolymer matrix with an MFR in accordance with ISO 1 133 (230° C., 2.16 kg load) of ≧200 g/10 min and (B) 2-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of ≦2.8 dl/g and an ethylene content of >50 to 80 wt % and (C) 8-30 wt % of an elastomeric ethylene-propylene copolymer having an intrinsic viscosity IV (according to ISO 1628 with decalin as solvent) of 3.0-6.5 dl/g and an propylene content of 50 to 80 wt %, the reactor grade thermoplastic polyolefins being obtainable by a multistage polymerization process with at least 3 polymerization steps in the presence of a catalyst system comprising (i) a Ziegler-Natta procatalyst which contains a trans-esterification product of a lower alcohol and a phthalic ester and (ii) an organometallic cocatalyst and (iii) external donor represented by formula (I) Si(OCH | 02-13-2014 |
20140187708 | LOW FILLED POLYPROPYLENE COMPOSITION WITH BALANCED PROPERTY PROFILE - The present invention relates to a polyolefin composition comprising (a) a heterophasic propylene copolymer, wherein the xylene cold soluble fraction of the heterophasic propylene copolymer has an intrinsic viscosity of lower than 2.0 dl/g, (b) a high density polyethylene having a density of at least 940 kg/m | 07-03-2014 |
20140213719 | HIGH FLOW POLYOLEFIN COMPOSITION WITH LOW SHRINKAGE AND CLTE - Polyolefin composition comprising (a) a heterophasic propylene copolymer comprising a polypropylene (PP) having a melt flow rate MFR | 07-31-2014 |
20140303308 | HETEROPHASIC SYSTEM WITH IMPROVED SURFACE PROPERTIES - The present invention relates to a polyolefin composition comprising a heterophasic propylene copolymer having a MFR | 10-09-2014 |