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7612139 |
Core/shell fluoropolymer dispersions with low fluorosurfactant content
A stabilized aqueous fluoropolymer dispersion comprising:
about 30 to about 70 weight % non-melt-processible fluoropolymer particles having an SSG of less than about 2.225, said...
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7598312 |
Process for preparing a halogenated polymer and device for its implementation
A process for preparing a halogenated polymer in a medium comprising liquid or supercritical carbon dioxide, comprising a step involving the radical polymerization of at least one halogenated...
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7576164 |
Curable base-resistant fluoroelastomers
Compositions of fluoroelastomers containing copolymerized units of tetrafluoroethylene, propylene, a first cure site selected from the group consisting of i) trifluoroethylene, ii)...
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7566762 |
Process for preparing fluoropolymer
The present invention relates to a process for preparing a fluoropolymer containing at least one kind of fluoroolefin, which comprises carrying out polymerization in the presence of a surfactant...
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7560506 |
Water- and oil-repellent composition and process for production thereof
A water- and oil-repellent composition consisting of (A) a fluorine-containing copolymer comprising at least 20% by weight (based on the copolymer) of (a1) units derived from a polymerizable...
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7544753 |
Process for producing elastic fluorocopolymer and crosslinked fluororubber
A process for producing an elastic fluorocopolymer, by emulsion-polymerizing at least one fluoromonomer (a), a vinyl ester monomer (b) represented by the formula CR 1 R 2 ═CR 3 COOCH═CH 2 ...
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7449524 |
Dynamic vulcanization with fluorocarbon processing aids
A curable fluorocarbon elastomer is dynamically cured in the presence of a major amount of a non-curing thermoplastic material and a minor amount of a second fluorocarbon elastomer that does not...
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7449523 |
Fluorocarbon elastomer compositions containing wear reducing additives
Processable rubber compositions contain a vulcanized fluorocarbon elastomer and wear reducing additives dispersed in a matrix of a thermoplastic polymeric material. In one embodiment the matrix...
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7371510 |
Material for forming resist protecting film for use in liquid immersion lithography process, composite film, and method for forming resist pattern
Provided are a material for forming a resist protecting film which is for use in a liquid immersion lithography process and which is formed on a resist film, wherein the material has the following...
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7314898 |
Microsphere-filled polytetrafluoroethylene compositions
The present invention is a composition that includes granular-grade polytetrafluoroethylene and a plurality of microspheres, where the plurality of microspheres have an average specific gravity...
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7297744 |
Process for preparing fluoropolymer dispersions
A process for preparing fluoropolymer dispersions, substantially free from anionic fluorinated surfactants, and with a coagulum amount <0.1% by weight, comprising: a) step a1) addition of:
...
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7291696 |
Composition and associated method
Provided is a fluorine substituted oligomeric or polymeric ester including the reaction product of a fluorine substituted acrylate or a fluorine substituted methacrylate; an unsaturated anhydride;...
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7285585 |
Coagulation of particles from emulsions by the insitu formation of a coagulating agent
This invention provides processes for isolating particles from an emulsion including the steps of: (a) forming an emulsion having a solid component having a population of particles, a liquid...
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7282528 |
Electrode additive
An electrode additive comprising an aqueous fluoropolymer dispersion, wherein the aqueous fluoropolymer dispersion is stabilized by the use of a surfactant that does not substantially remain in an...
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7252888 |
Aqueous elastomer coating composition and objects coated with the same
An aqueous elastomer coating composition and objects coated with this elastomer coating composition are described. The aqueous elastomer coating composition, contains:
a) a polymer latex...
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7247671 |
Aqueous crosslinkable coating compositions based on vinyl fluoropolymer
Aqueous crosslinkable coating composition suitable for anti-graffiti and heavy duty applications comprising: (A) an aqueous polymer emulsion comprising at least one vinyl fluoropolymer which...
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7238753 |
Carpet, stainproofing agent for carpet and method for treating the carpet
The invention relates to a carpet comprising a stainproof-treated textile, wherein the carpet has stainproof ratio (%) of at least 30% as defined below:
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7192638 |
Fluorine-containing coating composition, primer for ETFE-based coatings, and coated article
A fluorine-containing coating composition obtainable by compounding a macromolecular material with an ethylene-tetrafluoroethylene copolymer having an average particle diameter of 1 to 30 μm. The...
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7141620 |
Aqueous polytetrafluoroethylene dispersion composition and process for its production
To an aqueous PTFE polymer emulsion having a PTFE content of from 10 to 50 mass % obtained by emulsion polymerization of tetrafluoroethylene in the presence of an anionic perfluorocarboxylate...
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7135527 |
Elastomeric compositions containing fluoropolymer blends
Processable rubber compositions contain a vulcanized fluorocarbon elastomer dispersed in a thermoplastic matrix comprising a fully fluorinated polymer and a partially fluorinated polymer. The...
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7125598 |
Molded fluoroelastomer with excellent detachability and process for producing the same
There is provided a fluorine-containing elastomer molded article which is obtained by irradiating the fluorine-containing elastomer molded article with a plasma and has a center line average...
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7109365 |
Processes for solubilizing organometallic compounds in fluorinated solvents by addition of a partly fluorinated non-catalytic co-solubilizer
A process for solubilizing an organometallic compound in a fluorinated solvent to form an organometallic solution by adding and reacting a co-solubilizer having a partly fluorinated polymer, an...
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7060166 |
Aqueous ionomeric gels and products and methods related thereto
An aqueous ionomer gel having a high viscosity, particularly a proton conducting ionomer, as well as to related products incorporating such gels. Such aqueous ionomer gels are suitable for...
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7049358 |
Heat radiation blocking fluororesin film
A heat radiation blocking fluororesin film comprising a fluororesin containing a hexaboride.
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7015275 |
Aqueous water-and oil-repellent dispersion
An aqueous water- and oil-repellent dispersion containing: (A) a homopolymer or copolymer containing at least one polymerizable compound having a perfluoroalkyl or perfluoroalkenyl group and an...
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7006780 |
Partially fluorinated polymer coated development electrodes
An apparatus for reducing accumulation of toner from the surface of an electrode member in a development unit of an electrostatographic printing apparatus by providing a coating having a polymer...
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6911489 |
Methods for preparing agglomerated pellets of polytetrafluoroethylene and molded articles and the agglomerated pellets of polytetrafluoroethylene and molded articles prepared thereby
PTFE pellets with good bulk density, homogeneity, and flowability properties may be obtained by:
(1) wetting a PTFE powder with a solvent, to obtain a wetted PTFE powder; (2) forming the...
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6852416 |
High dielectric constant composites of metallophthalaocyanine oligomer and poly(vinylidene-trifluoroethylene) copolymer
There are disclosed new composite materials having improved electric field induced strain levels, improved electric constants, and having advantageous mechanical properties for use in electrical...
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6841594 |
Core-shell fluoropolymer dispersions
A dispersion of non-melt-processible fluoropolymer particles having an SSG of less than about 2.225 in aqueous medium. The fluoropolymer particles comprise a core of high molecular weight...
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6833403 |
Aqueous dispersions of fluoropolymers
Fluorine-containing emulsifiers can be removed from fluoropolymer dispersions by adding to the dispersion a nonionic emulsifier, removing the fluorine-containing emulsifier by contact with an anion...
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6825265 |
Pigments and compositions for use in laser marking
Pigments and compositions for use in laser marking. A colorless UV-absorbing pigment at least partially coated with a synergist has the formula [R m (SiO n )] p R′ q , wherein (a) m is 1 to 3, n...
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6825250 |
Process for reducing the amount of fluorinated surfactant in aqueous fluoropolymer dispersions
The present invention provides a process of reducing the amount of fluorinated emulsifier in an aqueous fluoropolymer dispersion by contacting the aqueous fluoropolymer dispersion with an anion...
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6806306 |
Low temperature, highly chemically resistant thermoplastic vulcanizates based on perfluroether elastomers
A fluorine containing thermoplastic vulcanizate composition includes a continuous phase of at least one melt formable thermoplastic resin and a discrete phase of a vulcanized perfluoroether...
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6794550 |
Method of making an aqueous dispersion of fluoropolymers
The invention provides a process for removing steam-volatile fluorinated emulsifiers in their free acid form, from aqueous fluoropolymer dispersions. The process comprises adding a nonionic...
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6790530 |
Conductive polymeric composite material with a resistance which is self-regulated by the temperature
The present invention relates to a composite material comprising, by weight, the total being 100% : A) 40 to 90% of PVDF homopolymer or copolymer crystallized essentially in the β form, B) 10 to...
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6774176 |
Polymers fluorinated by polymerization in mini-emulsion
The invention discloses a process for the preparation of fluorinated polymers by miniemulsion polymerization of a mixture of fluorinated and nonfluorinated monomers in the absence of organic...
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6774169 |
Low-electrostatically-charging granular polytetrafluorethylene powder and preparation process of same
To provide a granular PTFE powder having a low electrostatic charging property even after drying. A process for preparing a low-electrostatically-charging granular polytetrafluoroethylene powder by...
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6774164 |
Process for producing fluoroelastomers with fluorinated anionic surfactants
A novel emulsion polymerization process for the production of fluoroelastomers is disclosed wherein a partially fluorinated anionic surfactant of the formula F—(CF 2 CF 2 ) n —CH 2 CH 2 SO 3 M,...
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6767942 |
Coatings having fully fluorinated co-solubilizer, metal material and fluorinated solvent
An organometallic coating composition having an organometallic compound, a fully fluorinated co-solubilizer, and a fluorinated solvent, and the organometallic compound is miscible in the coating...
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6753371 |
Fluorine rubber composition, fixing member, fixing device, fixing method, and method of manufacturing fixing device
A fluorine rubber composition used for the surface layer material of a fixing member to fix a toner transferred onto a recording material comprises fluorine rubber having a polymerization degree...
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6750296 |
Polymer material with stable non-wetting surface
The present invention provides block copolymers with semifluorinated LC side groups (single or monodendron groups). The block copolymers can be blended with a thermoplastic elastomer block...
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6747089 |
Processes for solubilizing organometallic compounds in fluorinated solvents by addition of a fluorinated non-catalytic co-solubilizer
A process for solubilizing an organometallic compound in a fluorinated solvent to form an organometallic solution by adding and reacting a co-solubilizer having a fully fluorinated polymer, an...
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6740775 |
Crystalline sodium salt of pravastatin
A crystalline form of the sodium salt of pravastatin, which is known by the chemical name 1-naphthaleneheptanoic acid, 1,2,6,7,8,8a-hexahydro-β, δ,6-trihydroxy-2-methyl-8-(2-methyl-1-oxobutoxy)-,...
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6683127 |
Crosslinkable elastromer composition, sealing material produced from the composition, and filler for use therein
A carbon black filler for crosslinkable elastomer composition having a content of impurity metals of not more than 300 ppm and a pH value of 5.0 to 11.0. The filler can be obtained by subjecting a...
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6683126 |
Compositions for producing difficult-to-wet surface
The present invention provides a coating composition for producing difficult-to-wet surfaces, comprising i) at least one finely divided powder whose particles have a hydrophobic surface and a...
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6680357 |
Crosslinkable aqueous fluoropolymer based dispersions
Acrylic Modified Fluoropolymers based on vinylidene fluoride polymers are disclosed wherein the acrylic phase is capable of entering into crosslinking reactions. The final cured products provide...
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6649217 |
Method for producing parts of an antiadhesive organic powder, parts produced by such a method, and device for performing such a method
A method for manufacturing parts from an antiadhesive organic powder includes the step of plasma-treating the antiadhesive organic powder and processing the antiadhesive organic powder for forming...
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6617515 |
Polytetrafluoroethylene coating material for laser marking
A coating material based on polytetrafluoroethylene (PTFE) containing pigments and suitable for marking with a UV laser includes raw PTFE, 0.01 to 5 wt. % titanium oxide pigment, and 0.1 to 5 wt. %...
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6596806 |
Filler-containing polytetrafluoroethylene granular powder for molding and preparation process of same
To provide a filler-containing PTFE granular powder for molding, which has a high apparent density, a small electrostatic charge and excellent flowability and gives a molded article which is free...
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6579620 |
Water-repellent coating and coating film
A water-repellent coating has tetrafluoroethylene resin powder, silicone resin binder, and organic solvent. The tetrafluoroethylene resin powder has a ratio of the peak absorbance at 1,800 cm −1 ...
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