SOLVAY SPECIALTY POLYMERS ITALY S.P.A. Patent applications |
Patent application number | Title | Published |
20160130289 | METHOD OF MANUFACTURING CYCLOPHOSPHAZENE DERIVATIVES - A method of manufacturing cyclophosphazenes PFPE derivatives to be used in the lubrication of magnetic recording media is herein provided. The method comprises: a) a (per)fluoropolyether (PFPE) polyol [PFPE (P | 05-12-2016 |
20160069503 | Process for lining metal pipelines - The present invention pertains to a process for lining a metal pipeline, said process comprising the following steps: (i) processing a thermoplastic polymer composition thereby providing a pipe liner having an outer diameter greater than the inner diameter of said metal pipeline, said thermoplastic polymer composition comprising, preferably consisting of:—at least one poly(aryl ether ketone) polymer [(PAEK) polymer],—at least one poly(phenylene sulfone) polymer [(PPSU) polymer],—optionally, at least one poly(arylene sulfide) [(PAS) polymer], and—optionally, at least one plasticizer; (ii) deforming said pipe liner thereby providing a deformed pipe liner having an outer diameter smaller than the inner diameter of said metal pipeline; (iii) inserting the deformed pipe liner in said metal pipeline; and (iv) expanding the deformed pipe liner to fit with the inner diameter of said metal pipeline. The present invention also relates to a pipeline system comprising at least two coaxial pipes, an outer metal pipeline and inner pipe comprising at least one layer comprising, preferably made of said thermoplastic polymer composition. | 03-10-2016 |
20160002413 | HYDROPHILIC FLUOROPOLYMER - The present invention pertains to a process for the manufacture of a grafted fluoropolymer [polymer (Fg)], said process comprising reacting: A) at least one fluoropolymer comprising at least one functional group selected from the group consisting of a hydroxyl group and a carboxylic acid group [polymer (F)], B) at least one polyoxyalkylene (POA) of formula (I): R | 01-07-2016 |
20150322313 | NON-AQUEOUS FLUOROPOLYMER COMPOSITIONS - The invention relates to a non-aqueous fluoropolymer composition comprising: a) at least one fluorinated ionisable polymer [polymer (A)] as defined in the description, and b) at least one fluorinated ionisable polymer [polymer (B)] as defined in the description; c) at least one fluorinated solvent; and d) at least one alcohol. The invention further relates to a process for manufacturing the composition and to the use of the composition for preparing polymeric materials. | 11-12-2015 |
20150232593 | TETRAFLUOROETHYLENE COPOLYMERS - The invention pertains to a tetrafluoroethylene (TFE) copolymer comprising recurring units derived from at least one perfluoroalkyl(oxy)vinylether of formula CF | 08-20-2015 |
20150020947 | METHOD FOR THE MANUFACTURE OF COMPOSITE SEPARATORS - The present invention pertains to a process for the manufacture of a composite separator for an electrochemical cell, said process comprising the following steps: (i) providing a substrate layer; (ii) providing a coating composition comprising: —an aqueous latex comprising at least one vinylidene fluoride (VdF) polymer [polymer (F)] under the form of primary particles having an average primary particle size of less than 1 μm, as measured according to ISO 13321, and —at least one non-electroactive inorganic filler material; (iii) applying said coating composition onto at least one surface of said substrate layer to provide a coating composition layer; and (iv) drying said coating composition layer at a temperature of at least 60° C., preferably of at least 100° C., more preferably of at least 180° C. to provide said composite separator. The present invention also pertains to a coating composition suitable for use in said process, to the composite separator obtained from said process and to an electrochemical cell comprising said composite separator. | 01-22-2015 |
20140350181 | HYDRO-FLUOROCOMPOUNDS - The invention pertains to certain hydro-fluorocompounds of the following formula (I): R | 11-27-2014 |
20140342224 | ELECTRODE-FORMING COMPOSITION - The invention pertains to an aqueous electrode-forming composition comprising:—at least one fluoropolymer [polymer (F)];—particles of at least one powdery active electrode material [particles (P)], said particles (P) comprising a core of an active electrode compound [compound (E)] and an outer layer of a metallic compound [compound (M)] different from Lithium, said outer layer at least partially surrounding said core; and—water, to a process for its manufacture, to a process for manufacturing an electrode structure using the same, to an electrode structure made from the same and to an electrochemical device comprising said electrode structure. | 11-20-2014 |
20140329970 | FLUOROALLYLSULFONYL AZIDE MONOMERS AND POLYMERS THERE FROM - This invention pertains to fluoroallylsulfonyl azide compounds of formula: CF | 11-06-2014 |
20140243547 | LINEAR (PER) FLUOROPOLYETHERS WITH -CF(CF3)COF END GROUPS AND DERIVATIVES THEREOF - The present invention relates to mono- or bi-functional (per)fluoropolyethers comprising a linear (per)fluoropolyether chain having two ends, wherein one or two ends contain —CF(CF | 08-28-2014 |
20140235816 | (PER) FLUOROPOLYMER COMPOSITION - The present invention relates to (per)fluoropolymer compositions, in particular to (per)fluoropolyether compositions comprising: —a (per)fluoropolymer having more than two carboxy groups and —a polyamine. The invention further relates to processes for preparing said compositions and to moulded articles obtained from said compositions. | 08-21-2014 |
20140213730 | MILLING PROCESS - The invention pertains to a process for cryogenic milling mixtures of (per)fluoroelastomers and semicrystalline thermoplastic VDF polymers, and to free-flowing micronized pellets obtainable therefrom, said micronized pellets advantageously yielding, after extrusion and compounding, excellent mechanical properties, even improved over those of base fluoroelastomer matrix. | 07-31-2014 |
20140213720 | COMPOSITIONS OF IONISABLE FLUOROPOLYMERS - The invention relates to a composition of ionisable fluoropolymers, in particular to polymer compositions comprising: a) at least one fluorinated ionisable polymer (A), which comprises recurring fluorinated blocks and recurring functional blocks, each of said recurring functional blocks comprising at least one ionisable anionic group, and in which polymer (A) at least one of the said recurring functional blocks is comprised between two fluorinated blocks; b) at least one fluorinated ionisable polymer (B), which comprises recurring fluorinated blocks and recurring functional blocks, each of said recurring functional blocks comprising at least one ionisable cationic group, and in which polymer (B) at least one of the said recurring functional blocks is comprised between two fluorinated blocks; wherein the ratio between the ionic equivalents of polymer (A) and the ionic equivalents of polymer (B) ranges from 1.1 to 0.9. | 07-31-2014 |
20140199604 | STABLE ION EXCHANGE FLUORINATED POLYMERS AND MEMBRANES OBTAINED THEREFROM - A composition comprising at least one fluorinated polymer comprising —SO | 07-17-2014 |
20140154573 | AQUEOUS VINYLIDENE FLUORIDE POLYMER LATEX - The present invention pertains to an aqueous composition comprising: (A) an aqueous latex comprising at least one vinylidene fluoride (VDF) polymer [polymer (F)] comprising recurring units derived from vinylidene fluoride (VDF) and at least one (meth)acrylic monomer (MA) having formula (I) here below: wherein: —R | 06-05-2014 |
20140142239 | NOVEL FLUORINATED UNSATURATED COMPOUND AND POLYMERS OBTAINABLE THEREFROM - A compound of formula CF | 05-22-2014 |
20140135244 | (PER) FLUOROPOLYETHER BLOCK COPOLYMERS - The invention relates to (per)fluoropolyether block copolymers comprising: A) a fluoropolyoxyalkylene segment (chain R | 05-15-2014 |
20140131268 | PROCESS FOR MANUFACTURING POROUS MEMBRANES - The present invention pertains to a process for the manufacture of a porous membrane, said process comprising the following steps: (i) providing a composition [composition (F)] comprising: —at least one fluoropolymer [polymer (F)] comprising recurring units derived from at least one (meth)acrylic monomer (MA) having formula (I) wherein: —R | 05-15-2014 |
20140127434 | FLUOROPOLYMER COMPOSITION FOR MULTILAYER ASSEMBLIES - The invention pertains to a composition (C1) comprising: at least one (meth)acrylic modified VDF polymer [polymer (A)] comprising recurring units derived from comprising recurring units derived from vinylidene fluoride (VDF) monomer and at least one hydrophilic (meth)acrylic monomer (MA) of formula (I), wherein each of R1, R2, R3, equal or different from each other, is independently a hydrogen atom or a C | 05-08-2014 |
20140123876 | HYDROXY COMPOUNDS OBTAINED FROM 2,2,3,3-TETRAFLUOROOXETHANE AND DERIVATIVES THEREOF - The invention relates to a hydroxy compound of formula (I) wherein n is an integer equal to or higher than 1 as an intermediate for the preparation of compounds of formulae (IIa) and (IIIb) as defined in the specification that can be used as water and oil resistance agents. The invention further relates to water and oil resistance compositions containing compounds (IIa) and (IIb). | 05-08-2014 |
20140121321 | METHOD FOR POLYMERIZNG VINYLIDENE FLUORIDE - A process for manufacturing a dispersion of a vinylidene fluoride (VDF) thermoplastic polymer [polymer (F)], said process comprising polymerizing VDF in an aqueous phase comprising from 0.5 to 1.5 g/l of at least one surfactant of formula F—(CF | 05-01-2014 |
20140120426 | SECONDARY BATTERIES - The present invention pertains to a secondary battery comprising at least one separator, said separator comprising at least one fluorinated polymer [polymer (F)], said polymer (F) comprising recurring units derived from vinylidene fluoride (VDF), hexafluoropropylene (HFP) and at least one (meth)acrylic monomer (MA) having formula (I) here below, wherein: —R | 05-01-2014 |
20140120269 | PROCESS FOR MANUFACTURING BATTERY COMPONENTS - The present invention pertains to a process for manufacturing a component of a secondary battery, said process comprising the following steps: (i) preparing a liquid composition comprising: —a liquid medium selected from the group consisting of aliphatic ketones, cycloaliphatic ketones, cycloaliphatic esters and mixtures thereof, and —at least one fluorinated polymer [polymer (F)] comprising recurring units derived from vinylidene fluoride (VDF), hexafluoropropylene (HFP) and at least one (meth)acrylic monomer (MA) having formula (I), wherein: —R | 05-01-2014 |
20140114009 | HYPERBRANCHED FLUOROELASTOMER ADDITIVE - The invention pertains to a hyperbranched (per)fluoroelastomer [fluoroelastomer (B)] comprising recurring units derived from a bis-olefin [bis-olefin (OF)] having general formula (I): wherein R | 04-24-2014 |
20140083550 | PROCESS FOR LINING METAL PIPELINES - The present invention pertains to a process for lining a metal pipeline, said process comprising the following steps: (i) processing a thermoplastic fluoropolymer composition to yield a pipe liner having an outer diameter greater than the inner diameter of said metal pipeline, said thermoplastic fluoropolymer composition comprising: (A) from 10% to 60% by weight, on the total weight of polymer (A) and polymer (B) of at least one vinylidene fluoride (VDF) homopolymer [polymer (A)], (B) from 40% to 90% by weight, based on the total weight of polymer (A) and polymer (B) of at least one VDF copolymer comprising from 2% to 15% by moles of recurring units derived from at least one other fluorinated comonomer (F) [polymer (B)], and (ii) deforming said pipe liner, (iii) introducing the deformed pipe liner in said metal pipeline; and (iv) expanding the deformed pipe liner to fit with the inner diameter of said metal pipeline. The present invention also relates to a pipeline system. | 03-27-2014 |
20140058052 | METHOD FOR MANUFACTURING FLUOROELASTOMERS - The invention pertains to a process for manufacturing a fluoroelastomer [fluoroelastomer (A)] having a heat of fusion of less than 5 J/g as measured by ASTM D-3418-08, said method comprising emulsion polymerizing vinylidene fluoride (VDF) in the presence of at least one additional fluorinated monomer, in an aqueous polymerization medium, said method comprising polymerizing VDF and said additional fluorinated monomer(s) in the presence of a redox radical initiator system comprising: —at least one organic oxidizing agent [agent (O)]; —at least one organic reducing agent [agent (R)]; wherein agent (O) is fed to said polymerization medium separately from agent (R), so that agent (O) comes in contact with agent (R) exclusively in said polymerization medium comprising VDF and optional additional monomer(s), to fluoroelastomers having low amount of chain defects and low amount of polar end groups, notably obtainable from said process, and to curable compositions therefrom. | 02-27-2014 |
20140017599 | PROCESS FOR THE PREPARATION OF CROSS-LINKED FLUORINATED POLYMERS - A process for the preparation of cross-linked fluorinated polymers comprising sulfonic acid functional groups comprising the steps of: a) providing at least one fluorinated polymer (P) comprising at least one —SO | 01-16-2014 |
20130324769 | Method for manufacturing perfluorovinylethers - The invention pertains to a process for the manufacture of a perfluorovinylether by hydrodehalogenation of a halofluoroether (HFE) having general formula (I-A) or (I-B): | 12-05-2013 |
20130310246 | Liquid compositions of fluorinated anion exchange polymers - A liquid composition comprising:
| 11-21-2013 |
20130296512 | Vinylidene fluoride and trifluoroethylene polymers - The present invention pertains to a fluoropolymer [polymer (F)] comprising:
| 11-07-2013 |
20130289189 | Thermoprocessable per(halo)fluoropolymer composition - The invention pertains to a thermoprocessable composition comprising:
| 10-31-2013 |
20130267622 | Hydrophilic vinylidene fluoride polymers - The present invention pertains to a process for the manufacture of a grafted fluorinated polymer comprising at least one grafted side chain comprising one or more glycosidic recurring units [polymer (F)], said process comprising polymerizing:
| 10-10-2013 |
20130267618 | Foamable fluoropolymer compositions - The invention pertains to foamable thermoplastic fluoropolymer composition comprising:
| 10-10-2013 |
20130264522 | Vinylidene fluoride copolymers - The present invention pertains to a fluoropolymer [polymer (F)] comprising:
| 10-10-2013 |
20130261249 | Low viscosity fluoroelastomers - The invention pertains to a low viscosity curable (per)fluoroelastomer [fluoroelastomer (A)] having a number-averaged molecular weight of 3 000 to 45 000, said (per)fluoroelastomer comprising at least 1% moles, with respect to the total moles of recurring units, of recurring units derived from at least one (per)fluoromethoxyalkylvinylether of formula (I): | 10-03-2013 |
20130256588 | Process for producing fluorinated organic compounds - A process for fluorinating hydrocarbon compounds, which comprises:
| 10-03-2013 |
20130245289 | Process for producing perfluorinated organic compounds - A process for producing a perfluorinated functional compound comprises the steps of: A) converting an at least partially hydrogenated alcohol into an at least partially hydrogenated ester compound; and B) reacting said at least partially hydrogenated ester compound with fluorine in the presence of at least one (per)haloolefin comprising at least one carbon-carbon double bond and having at least one fluorine or chlorine atom on either one of the carbon atoms of said double bond, to obtain a perfluorinated ester compound. | 09-19-2013 |
20130244138 | Liquid compositions of fluorinated ion exchange polymers - A liquid composition comprising at least one aprotic organic solvent and at least one fluorinated ion exchange polymer which consists of recurring units derived from a chlorofluoroolefin of formula CF | 09-19-2013 |
20130244131 | Fuel cell modules - A method for the preparation of corrugated fuel cell units from a composite laminate comprising an ion conductive membrane having first and second surface; a first electrocatalyst layer in contact with the first surface of the membrane; a second electrocatalyst layer in contact with the second surface of the membrane; a first metallic mesh in contact with said first electrocatalyst layer and a second metallic mesh in contact with said second electrocatalyst layer. | 09-19-2013 |
20130237462 | Triazine derivative - The invention pertains to certain (per)fluoropolyether triazine derivatives comprising at least one triazine group and at least one fluoropolyoxyalkene chain (chain R | 09-12-2013 |
20130231502 | Process for the Preparation of Difluroacetic Acid - A process is provided for the preparation of difluoroacetic acid from tetrafluoroethylene. The process comprises reacting tetrafluoroethylene with an aqueous solution of an inorganic base, optionally in the presence of an organic solvent. | 09-05-2013 |
20130211026 | Process for the treatment of sulfonyl fluoride polymers - A process for reducing the amount of soluble polymeric fractions in a sulfonyl fluoride polymer. The process comprises contacting the sulfonyl fluoride polymer with a fluorinated fluid followed by separation of the polymer from the fluid. The fluorinated fluid is selected from hydrofluoroethers and hydrofluoropolyethers. The invention further relates to sulfonyl fluoride polymers obtainable by the process and having a heat of fusion not exceeding 4 J/g and containing less than 15% by weight of polymeric fractions having an average content of monomeric units comprising a sulfonyl functional group exceeding 24 mole %. | 08-15-2013 |
20130202878 | Fluoropolymer composition - A thermoplastic fluoropolymer composition comprising at least one semi-crystalline polymer (A) comprising recurring units derived from ethylene and at least one of chlorotrifluoroethylene (CTFE) and tetrafluoroethylene (TFE), said polymer having a heat of fusion of at most 35 J/g and from 0.05 to 5% by weight, based on weight of said semi-crystalline polymer (A), of particles of at least one inorganic UV blocker compound, said particles having an average particle size of 1 to 150 nm, said composition being suitable for manufacturing UV-opaque films having outstanding transparency and haze properties. | 08-08-2013 |
20130197163 | Fluoroelastomers - The invention pertains to peroxide-curable fluoroelastomers for the oil and gas industry, including explosive decompression, and which can be easily processed to yield cured parts in standard machineries at reasonable throughput rates, said fluoroelastomers comprising:
| 08-01-2013 |
20130192755 | Multilayer assembly - A multilayer assembly comprising a first inner layer (L1) made from a first composition (C1), said first composition (C1) comprising at least one polymer comprising recurring units derived from ethylene (E) and from chlorotrifluoroethylene (CTFE), and at least one Ti compound; and a second outer layer (L2) made from a second composition, said second composition (C2) being free from TiO | 08-01-2013 |
20130178588 | Composite polymerization initiator and polymer brush composite obtained therefrom - Composite polymerization initators are disclosed suitable to prepare polymer brush composites. | 07-11-2013 |
20130168049 | Method for transferring heat - A process for transferring heat comprising the following steps:
| 07-04-2013 |
20130131402 | Process for the synthesis of trifluoroethylene - A catalytic process for the synthesis of trifluoroethylene from chlorotrifluoroethylene which comprises contacting chlorotrifluoroethylene with hydrogen in the presence of a catalyst consisting of palladium or platinum supported on extruded activated carbon. | 05-23-2013 |
20130123412 | Fluoroelastomer composition - A (per)fluoroelastomer composition having improved plasma resistance comprising at least one (per)fluoroelastomer [fluoroelastomer (A)] and from 0.1 to 50 weight parts per 100 parts by weight of said fluoroelastomer (A) of alkaline-earth metal carbonate particles [particles (P)]. Each particle comprises a core consisting essentially of at least one alkaline-earth metal carbonate and a shell consisting essentially of at least one Group IV transition metal compound. | 05-16-2013 |
20130116483 | Process for the fluorination of haloolefins - A process for the fluorination of haloolefins with elemental fluorine in the presence of anhydrous HF proceeds with high yield and selectivity in the product deriving from the addition of fluorine to the carbon-carbon double bond. | 05-09-2013 |
20130109797 | Fluoroelastomer composition | 05-02-2013 |
20130090417 | PVDF coating compositions - A vinylidene fluoride (VDF) polymer composition comprising: | 04-11-2013 |
20130068408 | Fluoropolyether phosphate derivatives - The invention pertains to an aqueous composition comprising at least one mono-functional (per)fluoropolyether monoester phosphate having formula (I) here below: | 03-21-2013 |
20130041089 | Fluorinated polyurethane composition - An aqueous composition comprising:
| 02-14-2013 |
20130037754 | VDF POLYMER COMPOSITION - The invention pertains to a thermoplastic VDF polymer composition comprising: at least one thermoplastic vinylidene fluoride (VDF) polymer comprising at least 85% by moles of recurring units derived from VDF; and at least one ethylene/chlorotrifluoroethylene (ECTFE) polymer, wherein said ECTFE polymer possesses a melting point of less than 210° C. and it is comprised in an amount of from 0.1 to 20% wt with respect to the total weight of VDF polymer and ECTFE polymer. The invention also pertains to a process for making the VDF polymer and to the uses thereof for manufacturing films, in particular transparent films. | 02-14-2013 |
20130023620 | Fluoropolymer-based hybrid organic/inorganic composites - A process for manufacturing a fluoropolymer hybrid organic/inorganic composite comprising:
| 01-24-2013 |
20120283383 | Method for Manufacturing Fluoropolymers - The invention pertains to a process for manufacturing a (per)fluoropolymer, said process comprising polymerizing one or more fluorinated monomers in the presence of a multi-phase medium, said medium comprising:
| 11-08-2012 |
20120283382 | Process for Manufacturing a Dispersion of a Vinylidene Fluoride Polymer - A process for manufacturing a dispersions of a vinylidene fluoride (VDF) thermoplastic polymer [polymer (F)], said process comprising polymerizing VDF in an aqueous phase comprising:
| 11-08-2012 |
20120264887 | Curable composition - The invention relates to the use of 1,5-enediyne compounds of formula (I) as curing agents in polymeric systems. In particular the invention relates to a curable composition comprising a curing agent of formula (I) and a polymer suitable to be cross-linked and to the cured article obtained therefrom. | 10-18-2012 |
20120252970 | Method for manufacturing fluoroelastomers - A process for manufacturing a (per)fluoroelastomer having a heat of fusion of less than 5 J/g as measured by ASTM D-3418-08, comprising polymerizing at least one fluorinated monomer in the presence of at least one initiator in a polymerization medium comprising:
| 10-04-2012 |
20120202946 | Process for the isolation of sulfonyl fluoride polymers and polymers obtained therefrom - The invention relates to a process for the isolation of (per)fluorinated polymers containing sulfonyl fluoride functional groups from a polymerization latex. The process comprises adding the polymerization latex to an aqueous electrolyte solution under high shear stirring at a temperature equal to or lower than the glass transition temperature of the polymer. The invention further relates to the (per)fluorinated polymers containing sulfonyl fluoride functional groups isolated by the process and characterised by a loss of weight at 200° C. lower than 1% as determined by thermogravimetric analysis. | 08-09-2012 |
20120202935 | Coating composition - A coating composition comprising:
| 08-09-2012 |
20120196780 | Lubricant compositions for vacuum pumps - The invention pertains to a lubricant composition comprising:
| 08-02-2012 |
20120125835 | Process for the preparation of ethylene/chlorotrifluoroethylene polymer membranes - The invention relates to a process for the production of membranes based on ethylene/chlorotrifluoroethylene polymers having a melting temperature not exceeding 200° C. The process relies on the diffusion induced phase separation of the ethylene/chlorotrifluoroethylene polymer from a solution and comprises the steps of providing a solution comprising an ethylene/chlorotrifluoroethylene polymer having a melting temperature not exceeding 200° C. in a solvent; casting the polymer solution into a film; immersing the film in a non-solvent bath to precipitate the polymer. Membranes made of compositions comprising an ethylene/chlorotrifluoroethylene polymer having a melting temperature not exceeding 200° C. and at least one second polymer are also disclosed. | 05-24-2012 |