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WO/2001/092356A2 |
A tetrafluoroethylene (TFE)/perfluoro (alkyl vinyl ether) (PVE) copolymer and a method for producing the copolymer, wherein the molar ratio of polymerized units based on TFE/polymerized units based on PVE is in the range of from 98.1/1.9...
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WO/2001/085811A2 |
Fluoroolefin/acid group or protected acid group-containing copolymers for photoresist compositions and microlithography methods employing the photoresist compositions are described. These copolymer compositions comprise 1) at least one f...
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WO/2001/085848A1 |
An elastomer composition which contains an extremely clean filler reduced in both water generation and organic outgassing and is suitable for use as a molding material for semiconductor production apparatuses; and a crosslinked molding o...
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WO/2001/081464A1 |
Fluoroelastomers which contain copolymerized units of a fluoroolefin cure site monomer of the general formula: R¿f?-(CH¿2?CF¿2?)¿n?-CH&equals CF¿2?, wherein R¿f? is a C¿1?-C¿6? perfluoroalkyl group or a C¿1?-C¿6? perfluoroalkox...
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WO/2001/081285A2 |
Disclosed herein is a novel class of fluorovinyl ether monomers which are useful as cure site monomers in fluoroelastomers, a process for the preparation of these fluorovinyl ether monomers, and fluoroelastomer copolymer compositions tha...
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WO2000063991A9 |
A novel phosphorus atom-containing fluorinated cationic exchange membrane consisting substantially of the recurring units (A): -(CF2 CF2)- and (B), wherein m is 0 or 1, n is 2 or 3, X and Y are each H or C6H4SO3H, and the ratio of the re...
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WO/2001/066613A1 |
Random copolymers including vinylidene fluoride and hexafluoropropylene that exhibit a large electrostrictive response when subjected to an electric field, articles including such polymers, and methods of preparing the polymers and artic...
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WO/2001/062807A1 |
A vulcanizable fluoroelastomer having vulcanization sites which is obtained by copolymerizing monomers comprising ethylene, hexafluoropropylene, and a compound having two or three reactive double bonds, such as triallyl isocyanurate, and...
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WO2001019880A9 |
A tetrafluoroethylene/ethylene copolymer excellent in flexibility, durability, light transmission, strength, and nontackiness; and a use thereof. In the copolymer, the ratio of the amount of tetrafluoroethylene units to that of ethylene ...
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WO/2001/060869A1 |
Fluoroelastomers having copolymerized units of vinylidene fluoride major monomer, at least one other fluorinated major monomer, and at least one cure site monomer are prepared in an aqueous suspension polymerization process using an init...
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WO/2001/060911A1 |
Melt-processible, thermoplastic poly(tetrafluoroethylene) (PTFE) compositions are disclosed and methods for making and processing same. Additionally, products comprising these compositions are described.
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WO/2001/059005A2 |
Perfluoroelastomer compositions comprising perfluoroelastomers having copolymerized units of tetrafluoroethylene, a perfluoro(vinyl ether), and a nitrile-containing cure site monomer are cured with certain nitrogen-containing nucleophili...
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WO/2001/057131A1 |
A melt processible fluoropolymer composition comprising a copolymer of tetrafluoroethylene with a perfluoro(alkyl vinyl ether), which copolymer is a mixture of a first fluorocarbon resin copolymer in which the alkyl group of the perfluor...
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WO/2001/057095A1 |
Linear copolymers of fluorocarbon and hydrocarbon monomers. The present invention provides linear copolymers and terpolymers of fluorocarbon and hydrocarbon monomers, and particularly the invention provides a linear copolymers, of fluoro...
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WO/2001/053366A1 |
The present invention is directed to a copolymer capable of forming a water- and oil-repellent agent that enables binding to textiles and other materials without the production of formaldehyde. The copolymer according to the present inve...
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WO/2001/049760A1 |
The invention relates to the synthesis of novel fluorinated elastomers with very low glass transition temperatures (T¿g?), a good resistance to bases, oil and fuels and good working properties. Said elastomers contain hexafluoropropene ...
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WO/2001/049752A2 |
Emulsion polymerization of liquid fluorinated monomers which have a boiling point above 50° C and low water-solubility is markedly more efficient if the monomer is pre-emulsified with a nontelogenic fluorinated emulsifier in water.
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WO/2001/049757A1 |
The invention concerns the synthesis of novel fluorinated elastomers having very low glass transition temperatures (T¿g?), good resistance to bases, oil and fuels and suitable properties in use. Said elastomers contain, for example, 80 ...
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WO/2001/049758A1 |
The invention concerns the synthesis of novel fluorinated elastomers having very low glass transition temperatures, good resistance to bases, oil and fuels and suitable properties in use. Said elastomers contain, for example. 90 to 50 mo...
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WO/2001/049759A1 |
In preparing a fluorinated thermoplastic with good flex life, high thermal conductivity and low average spherolite diameter from tetrafluoroethylene and perfluoro n-alkyl vinyl ether, perfluoro 2-propoxyalkyl vinyl ether is additionally ...
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WO/2001/042846A1 |
This invention is directed to ophthalmic materials and ophthalmic lenses that are a co-polymerization product of a (a) hydrophilic monomer with (b) a tris(siloxy)silyl group-containing monomer, (c) a wide variety of hydrophobic monomers ...
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WO/2001/040332A1 |
A resin material which has improved impermeability to liquid chemicals and improved cracking resistance while retaining the excellent heat resistance and processability inherent in FEPs. It gives a molded article suitable for use in the ...
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WO/2001/040331A1 |
A novel PFA-based fluorocopolymer which has improved impermeability to liquid chemicals while retaining the excellent heat resistance, stress cracking resistance, and processability inherent in PFA-based fluororesins; and a material and ...
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WO/2001/036504A1 |
A fluorocopolymer which comprises structural units derived from tetrafluoroethylene, hexafluoropropylene, and at least one perfluoro(alkyl vinyl ether) represented by the formula CF¿2?=CFO(CF¿2?)¿n?CF¿3? (wherein n is a number of 0 t...
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WO/2001/037044A1 |
Disclosed are partially fluorinated and fully fluorinated polymers that are substantially transparent to ultraviolet radiation at wavelengths from 140 to 186 nanometers.
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WO/2001/037043A1 |
Disclosed are partially fluorinated and fully fluorinated polymers that are substantially transparent to ultraviolet radiation at wavelengths from 187 to 260 nanometers.
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WO/2001/034666A1 |
A vulcanizable fluoroelastomer composition from which a vulcanizate reduced in compression set can be produced in a short time and which is excellent in molding stability and suitability for kneading. It comprises a fluoroelastomer havin...
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WO/2001/034670A1 |
A fluoropolymer is described which is a polymer reaction product of a fluoropolymer comprising a polymer reaction product of: a) at least one first alkylene co-monomer containing at least one fluorine atom; b) optionally at least one mon...
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WO/2001/032727A1 |
A vinylic copolymer comprising repeat units of A, B and C These copolymers have an acid content of 0.015 to 0.50 milliequivalents per gram of copolymer. Compositions that provide these copolymers in easily handled forms, and cosmetic com...
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WO/2001/032726A1 |
New and novel copolymers of vinylidene fluoride and hexafluoropropylene having lower or no crystallinity together with processes for their manufacture and use are disclosed.
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WO/2001/016100A1 |
Diacyl peroxides having the structure (I): R¿1? CXX'(CYY')¿e?CF¿2?(C=O)OO(C=O)CF¿2?CWW'(CZZ')¿e?R¿f?, wherein e and e' are independently 0 or 1; and when e=0, at least one of X, X' is H and any of the other X, X' is H or F; when e'...
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WO/2001/012688A1 |
An enormous array of nitrile fibers or articles can be prepared from a multipolymer of acrylonitrile monomer, a halogenated monomer, an optionally olefinically unsaturated monomer by thermally processing in the absence of solvent. The ni...
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WO/2001/007517A1 |
Fluid composition containing ion exchange copolymer which is perfluorated with functional groups -SO¿3?M, M-hydrogen ions or ions of alkaline metals (EM higher than 900) and a polar organic solvent or a mixture of a polar organic solven...
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WO/2001/002448A1 |
A fluoroelastomer composition having improved compression set. The fluoroelastomer composition comprises: (1) a fluoroelastomer containing interpolymerized units of at least one perfluoroolefin, at least one perfluorovinyl ether, and a c...
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WO/2001/000696A1 |
An elastomeric fluoroterpolymer which is suitable for use as a hose or in oil seal for automotive engine oils, has sufficient amine resistance while retaining heat, oil, and chemical resistance and other properties nearly comparable to t...
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WO/2000/079051A1 |
A method is disclosed for strengthening a paper or textile article. The method involves (a) applying to the article a solution of an amorphous fluoropolymer in a perfluoroalkane solvent; and (b) drying the article. Also disclosed are str...
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WO/2000/073360A1 |
The invention relates to a rapidly cross-linking liquid fluoropolymer that contains as the essential components tetrafluoroethylene and at least one compound from the group consisting of diiodomethane, 1,2-diiodo-1,1-difluoroethane, 1-io...
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WO/2000/071590A1 |
Aqueous dispersion polymerization of fluoromonomers is improved by using a combination of fluorosurfactants, one of which is a perfluoropolyether carboxylic acid or salt.
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WO/2000/069972A1 |
A melt processable polymer composition that comprises a thermoplastic non-aliphatic host polymer and a minor but effective amount of a fluoropolymer processing aid, and a method of improving the melt processability of the host polymer ar...
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WO/2000/069967A1 |
A polymer processing aid composition, a melt processable polymer composition that uses the polymer processing aid, and a method of improving the melt processability of a thermoplastic polymer are provided. The polymer processing aid comp...
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WO/2000/068187A1 |
Fluorinated olefins and fluorinated vinyl ethers, each having sulfonyl azide groups, of formula CX¿1?X¿2?=CX-(O)¿p?-R¿1?-(CH¿2?)¿n?-S(O)¿q?N¿3?, where X, X¿1?, X¿2? are independently H or F; p is 0 or 1; R¿1? is a C¿1-16? per...
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WO/2000/067072A1 |
Fluorinated polymers, photoresists and associated processes for microlithography are described. These polymers and photoresists are comprised of a fluoroalcohol functional group which simultaneously imparts high ultraviolet (UV) transpar...
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WO1999050319A9 |
A method of producing a fluoroelastomer reduced in the content of metallic ingredients; and a molded article comprising a fluoroelastomer sufficiently reduced in the content of metallic ingredients. The method comprises producing a fluor...
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WO/2000/058028A1 |
The present invention relates to a weatherable building product comprising a wood member. The wood member has at least a portion which is coated with a coating composition comprising an interpenetrating polymer network of an acrylic late...
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WO/2000/055130A2 |
A one or two layer coating system has been developed for plastic substrates. The one coating system low reflecting layer consists of VF¿2?/TFE/HFP. In the two coating system is the upper coating layer consists of TFE/HFP, VF¿2?/TFE/HFP...
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WO/2000/052060A1 |
This invention concerns a process for production of copolymers, especially functionalized, or, at least partially fluorinated copolymers by means of a polymerization process comprising: co-polymerizing, in aqueous emulsion, one or more m...
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WO/2000/047641A1 |
A process for producing a fluoropolymer which comprises polymerizing one or more radical-polymerizable monomers comprising at least one fluoroolefin monomer in the presence of a free-radical polymerization initiator and optionally of an ...
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WO/2000/046283A1 |
A method for producing an open cell low-density semi-rigid polyurethane foam suitable for general use as a thermal insulating material and/or an acoustical applications is disclosed. The method comprises a method for producing a flame-re...
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WO/2000/044797A1 |
The invention relates to a fluorinated ethylene propylene copolymer which is processed from the melt by fusion granulation and which consists essentially of monomer units of 78 to 95 wt. % tetrafluoroethylene, 5 to 22 wt. % hexafluoropro...
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WO/2000/037545A1 |
Hydrogen-plasma modification of fluorinated polymers reduces the surface chemistry of this polymer removing fluorine, leaving behind a carbon-enriched surface that is further plasma processed into a hydrophilic surface for a lens materia...
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