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Patent Searching and Data


Matches 451 - 500 out of 6,144

Document Document Title
WO/2011/073133A1
Continuous process for preparing a halogenated polymer comprising a step of polymerization of at least one halogenated monomer in a medium comprising carbon dioxide in the liquid or supercritical state (L/SC-CO2), in at least one pressur...  
WO/2011/073254A1
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: - at least one surfactant selected from the group cons...  
WO/2011/073337A1
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: (A) a water phase [phase (...  
WO/2011/073132A1
Process for preparing a halogenated polymer and device for the implementation thereof Continuous process for preparing a halogenated polymer comprising a step of polymerization of at least one halogenated monomer in a medium comprising c...  
WO/2011/073130A1
Continuous process for preparing a halogenated polymer comprising a step of polymerization of at least one halogenated monomer in a medium comprising carbon dioxide in the liquid or supercritical state (L/SC-CO2), in at least one pressur...  
WO/2011/073129A1
Continuous process for preparing a halogenated polymer comprising a step of polymerization of at least one halogenated monomer in a medium comprising carbon dioxide in the liquid or supercritical state, in at least one pressurized reacto...  
WO/2011/071847A2
The invention describes a polymer that is composed of a fluoropolymer modified with a UV absorber. The UV absorber is grafted to the polymeric backbone of the fluoropolymer. Optionally, a HALS can also be grated to the polymeric backbone...  
WO/2011/071599A2
Fluorosilicon polymers are disclosed that are prepared by a process comprising reacting a) iodinated oligomers having copolymerized units of perfluoro(methyl vinyl ether) and vinylidene fluoride or tetrafluoroethylene that contain 40-90 ...  
WO/2011/055867A1
The present invention relates to a suspension polymerization method of a vinyl chloride-based polymer. The amount of vinyl chloride monomers injected in the initial stage of polymerization is 50-80% of the total vinyl chloride monomers, ...  
WO/2011/051168A1
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...  
WO/2011/052666A1
Provided are a vinylidene fluoride polymer powder which is well soluble in an aprotic polar solvent, and a vinylidene fluoride polymer solution prepared from both the powder and an aprotic polar solvent. The vinylidene fluoride polymer p...  
WO/2011/035044A1
Compositions comprising a fluorinated polymer and related methods.  
WO/2011/028140A1
According to the invention, the suspension polymerization of vinyl chloride is performed in a mixture containing a nanofiller in the form of nanospheres with an average size of primary particles of up to 200 nm, with the nanofiller being...  
WO/2011/025052A1
The present invention provides a processing additive which can bring about improvements in moldability at Mooney viscosity levels at which the dispersibility in a melt-processable resin is high and which further can work at reduced addit...  
WO/2011/014715A2
There are provided compositions comprising (i) at least one non-aromatic polyol compound containing at least one polyol unit having at least two hydroxyl groups and at least one long chain unit containing at least 6 carbon atoms; and (ii...  
WO/2010/147815A2
There is provided a comprising an amorphous peroxide curable fluoropolymer comprising an iodine, bromine or chlorine containing cure site, an organic peroxide with a 10-hour half life temperature below 90°C, and a coagent, where the amo...  
WO/2010/134465A1
Disclosed is a binder which is capable of finely and uniformly dispersing an electrode active material, a conductive assistant and a binder, and is also capable of providing an electrode composite layer that has high workability and a lo...  
WO/2010/129842A1
A process for reducing the fluoroether carboxylic acid or salt content of aqueous fluoropolymer dispersion. The fluoroether carboxylic acid or salt employed comprises fluoroether carboxylic acid or salt having the formula below: [R1-O-L-...  
WO/2010/114033A1
Provided are a low molecular weight polytetrafluoroethylene powder that, when used as an additive in coating material, and the like, can form a coating with excellent texture and gliding properties while also improving dispersion propert...  
WO/2010/114669A1
Described herein are nitric oxide (NO)-donating poly(tetrafluoroethylene) (PTFE) polymers and polymer surfaces and methods of making and using the same. The NO-donating PTFE polymers can be used to fabricate at least a portion of an impl...  
WO/2010/113950A1
Disclosed is a polytetrafluoroethylene suitable for forming a porous polytetrafluoroethylene film using a water-soluble and highly volatile surfactant. The polytetrafluoroethylene has non-melt secondary processability, and has a standard...  
WO/2010/086408A1
The present invention relates to a method for producing photo-crosslinkable polymer nanoparticles having diameters less than or equal to 100 nm and polymer nanoparticle dispersions that can be obtained therefrom. For this purpose, monovi...  
WO/2010/084130A1
In a process for the aqueous suspension polymerization of vinyl chloride, alone or in mixture with other monomers, in the presence of at least one of dialkylperoxydicarbonate, peroxyester and diacyl peroxide, the polymerization compositi...  
WO/2010/075494A1
Particles comprising a bulk of fluoropolymer and a nucleus of fluorinated ionomer, dispersions of such particles, articles and coatings made from such particles.  
WO/2010/075495A1
A process for making an aqueous dispersion of fluorinated ionomer particles by providing dispersed particulate of fluorinated ionomer in an aqueous polymerization medium and polymerizing at least one fluorinated monomer having an ionic g...  
WO/2010/075497A1
A process for making an aqueous dispersion of fluorinated ionomer particles by polymerizing in a first polymerization step at least one fluorinated monomer having an ionic group in an aqueous polymerization medium in the presence of init...  
WO/2010/075359A1
A process for making an aqueous dispersion of fluoropolymer particles by providing dispersed particulate of fluorinated ionomer in an aqueous polymerization medium and polymerizing at least one fluorinated monomer in the aqueous polymeri...  
WO/2010/075496A1
A process for making an aqueous dispersion of fluoropolymer particles by polymerizing in a first polymerization step at least one fluohnated monomer having an ionic group in an aqueous polymerization medium in the presence of initiator, ...  
WO/2010/075362A1
A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and fluorosurfactant having the formula (I) RfCH2OCF(CF3)C(O)OM (I) wherein Rf is a linear or branched perfluoroalkyl group with...  
WO/2010/070176A1
The present invention describes a procedure for internal plastification of chlorinated polymers by dialkyl phthalate or dialkyl isophthalate chemically modified such that they anchor covalently to the polymer chain and in this manner pre...  
WO/2010/065809A1
The invention concerns processes for the production of multiarmed star copolymers comprising polymerizing vinyl chloride with a multifunctional initiator in the presence of Na2S2O4 and water. The invention also concerns polymers made fro...  
WO/2010/061152A1
The invention relates to a method for manufacturing vinyl chloride monomer, including the preparation of acetylene from one or more renewable first materials, followed by the reaction of the acetylene with hydrogen chloride so as to form...  
WO/2010/056699A1
A compound of Formula (1) wherein Formula (2) linear or branched perfluoroalkyl group, X and X' are each independently H or F, provided that at least one of X or X' is F, each Y is independently H or F, m is an integer from 1 to 4, n is ...  
WO/2010/056688A1
A process comprising polymerizing in an aqueous medium at least one fluorinated olefin monomer other than vinylidene fluoride in the presence of a compound of formula (1): Rf(CH2CF2)m-(CH2)nSO3M (1) wherein Rf is a C1 to C4 linear or bra...  
WO/2010/054172A1
A process comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent to form an aqueous dispersion of particles of fluoropolymer, wherein said polymerization agent is a com...  
WO/2010/043575A1
Composition comprising at least one vinyl halide polymer and 0.1 to 5% by weight, relative to the weight of the vinyl halide polymer, of at least one polymer of at least one acrylic ester obtained by polymerization in solution in a liqui...  
WO/2010/038800A1
Moldability is imparted to PTFE, which has been difficult to mold and been processed by a special technique, to provide a PTFE resin from which products of shapes that have not been obtained so far (ultrathin or ultrafine shapes) can be ...  
WO/2010/032576A1
A peroxide-crosslinkable fluoroelastomer obtained by copolymerizing 0.1-20 mol% fluoroolefin iodide mixture represented by the general formula CnF2n+1CF2CH=CF(CF2CF2)mI [Ia] and general formula CnF2n+1CF=CHCF2(CF2CF2)mI [Ib] (wherein n i...  
WO/2010/021962A2
Fluoropolymers containing one or more azide group wherein the azide group is not a sulfonyl-azide group and processes of preparing them.  
WO/2010/005755A1
The invention relates to a copolymer composition of poly(vinylidene fluoride-trifluoropropene) copolymers. The copolymers formed have excellent optical properties, with very low haze, as well as high melting points, excellent flexibility...  
WO/2010/003929A1
The invention pertains to a method for making a fluoropolymer comprising an aqueous emulsion polymerization of one or more fluorinated monomers wherein said aqueous emulsion polymerization is carried out in the presence of at least one c...  
WO/2009/157416A1
Disclosed is a method for purifying fluorine-containing carboxylic acid and derivatives thereof, wherein few decompositions and impurities, and etheric oxygen atoms are contained. A liquid containing one or more compounds selected from t...  
WO/2009/146146A2
The present invention relates to (i) novel fluoroionic compounds capable of dispersing particulate filler compositions into a fluoropolymer; (ii) novel particulate compositions in which particulates are surface-functionalized with a fluo...  
WO/2009/142080A1
Disclosed is a simple method for producing a PTFE fine powder having low paste extrusion pressure characteristics. In the method, an aqueous emulsion of a PTFE, which is produced by emulsion-polymerizing tetrafluoroethylene in the presen...  
WO/2009/137734A1
A process for making fluoropolymer resin comprising polymerizing at least one fluorinated monomer in an aqueous medium containing initiator and polymerization agent comprising fluoroether carboxylic acid or salt thereof to form an aqueou...  
WO/2009/126708A1
A curable fluoroelastomeric composition comprising: a fluoropolymer comprising at least one cure site monomer that comprises at least one cyano group; a cure system comprising a functionalized biphenyl-based compound and at least one of:...  
WO/2009/119202A1
Disclosed is a fluorine-containing elastic copolymer having high crosslinkability, high fluidity, excellent compression set and excellent base resistance. A method for producing such a fluorine-containing elastic copolymer is also disclo...  
WO/2009/116446A1
Disclosed is an electrolyte that has a high conductivity even under high temperature and low humidity conditions (for example, 20 to 50%RH at 100 to 120°C) and can realize a higher performance fuel cell. The fluorinated polyelectrolyte ...  
WO/2009/111120A2
A composition and method of making having a perfluoroelastomer gum with a nitrogen- containing cure site and an end group represented by -CF3 -CF2H, -CFH2, and/or -CH3, and having a low carbonyl-containing end group ratio, which yield cu...  
WO/2009/096547A1
Disclosed is an ethylene-tetrafluoroethylene (ETFE) copolymer having a high melt tension and excellent blow-moldability and the like. The ETFE copolymer has an ethylene unit, a tetrafluoroethylene unit, and a unit composed of a monomer (...  

Matches 451 - 500 out of 6,144