Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 301 - 350 out of 8,617

Document Document Title
WO/2011/139807A3
Described herein is a process for making PTFE having a standard specific gravity of less than 2.160 g/cm3 comprising: polymerizing a tetrafluoroethylene monomer in an aqueous medium comprising an emulsifier and an initiator in a reaction...  
WO/2012/043831A1
Provided is a method for producing a fluorine-containing polymer, which uses a specific non-fluorinated compound that has surface active power, and wherein the polymerization rate is high and adhesion of a polymerization product does not...  
WO/2012/043881A1
The present invention provides a process for producing a PTFE fine powder having superior handling characteristics despite of a low apparent density. The present invention relates to a process for producing a polytetrafluoroethylene fine...  
WO/2012/038084A1
The present invention relates to a process for producing polyvinyl chloride (PVC) with a mean particle diameter of 10 to 18 µm by polymerization of vinyl chloride, which comprises the following process steps: (a) initially charging wate...  
WO/2012/040366A2
An optical compensation film composition is disclosed herein having a polymer film and a substrate, wherein the polymer film has a positive birefringence greater than 0.005 throughout the wavelength range of 400 nm< λ <800 nm, the film ...  
WO/2012/030784A1
A fluoropolymer latex is obtained by emulsion polymerization of one or more fluoromonomers in the presence of one or more acid-functionalized monomers such as vinyl sulfonic acid or a salt thereof. A fluorosurfactant need not be present.  
WO/2012/030352A1
Provided are polyaramid polymers and films made from the polymers, comprising repeat units of the condensation product of a fluorovinylether functionalized aromatic diacid chloride and an aromatic diamine, and methods to make the films.  
WO/2012/011790A2
The present invention relates to a fluorine-based polymer thin film and to a method for preparing same. The method for preparing a fluorine-based polymer thin film according to the present invention comprises: a) a step of forming a fluo...  
WO/2012/010515A1
The invention concerns the field of chemistry and relates to modified perfluoroplastics, which can be used as lubricant lacquers, for example. The aim of the present invention is to provide modified perfluoroplastics which result in impr...  
WO/2012/008654A1
The present invention relates to a production method for a vinyl chloride-based resin having outstanding particle uniformity and heat stability, which is advantageous in that, by using an inorganic dispersion that has a specific structur...  
WO/2011/144992A1
A polymer electrolyte includes a fluorine-containing structure having an alicyclic 1,3-disulfonimide in a principal chain or side chain of the polymer. A battery includes the polymer electrolyte. An imide monomer is able to introduce a f...  
WO/2011/139807A2
Described herein is a process for making PTFE having a standard specific gravity of less than 2.160 g/cm3 comprising: polymerizing a tetrafluoroethylene monomer in an aqueous medium comprising an emulsifier and an initiator in a reaction...  
WO/2011/084404A3
Described herein are partially fluorinated elastomers and methods of curing comprising (i) a fluoroelastomer comprising interpolymerized units derived from (a) at least one hydrogen containing monomer and (b) at least one nitrile contain...  
WO/2011/071847A3
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/2011/071599A3
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/2011/105347A1
A fluorine-containing polymer latex which exhibits environmental degradability and has a remarkably reduced emulsifier residue content can be produced by emulsion polymerization of a fluorine-containing monomer using an emulsifier that c...  
WO/2011/084404A2
Described herein are partially fluorinated elastomers and methods of curing comprising (i) a fluoroelastomer comprising interpolymerized units derived from (a) at least one hydrogen containing monomer and (b) at least one nitrile contain...  
WO/2011/073344A1
The invention pertains to 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, said process comprising polymerizing at least one fluorinated monomer in the presence ...  
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/2011/014715A3
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/2010/147815A3
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/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...  

Matches 301 - 350 out of 8,617