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WO/2004/052954A1 |
The invention relates to a method for producing perfluorinated copolymers comprising functional sulfonyl fluoride groups by copolymerisation of tetratorethylen with perfluorocarbonated vinyl ether of the structural formula CF2=CF-O-CF2-C...
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WO/2004/052618A1 |
The present invention relates to (a) the rotolining of the interior surface of a hollow article with tetrafluoroethylene/perfluoro(alkyl vinyl ether copolymer in a multicoat system, in which the undercoat also contains a powder additive,...
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WO/2004/052953A1 |
A tetrafluoroethylene copolymer not melt molded and excelling in paste extrudability, comprising units derived from tetrafluoroethylene and units derived from a monomer represented by the formula CF2=CF-O-(CF2)nCF=CF2 (wherein n is an in...
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WO/2004/046206A1 |
The present invention discloses a process for making a fluoropolymer having nitrile endgroups. The process comprises a free radical polymerization of one or more fluorinated monomers in the presence of a nitrile group containing salt or ...
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WO/2004/044019A1 |
The present invention provides a coating film having excellent stain resistance, water- and oil-repellency, chemical resistance and weather resistance as well as a method for preparing the coating film. The coating film satisfies the fol...
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WO/2004/041878A1 |
Provided is a process for making a copolymer of fluorinated olefin and hydrocarbon olefin selected from ethylene, propylene and mixtures thereof, the process comprising a substantially emulsifier free aqueous emulsion polymerization of s...
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WO/2004/041877A1 |
A fluoropolymer suitable for use as a base polymer for resist materials for excimer lasers emitting light with a wavelength of 250 nm or shorter. The fluoropolymer has monomer units formed by the cyclopolymerization of a fluorinated dien...
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WO/2004/041880A1 |
A fluoropolymer obtained from (1) a fluoroalkylated monomer and (2) a silicon compound monomer used in an amount of 2.0 to 6.0 wt.% based on the polymer. When applied to a masonry, the fluoropolymer imparts to the masonry excellent water...
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WO/2004/035641A1 |
A process for the production of fluoropolymers for resists excellent in transparency to vacuum ultraviolet rays, characterized in that in the production of a fluoropolymer comprising structural units resulting from an fluorine -containin...
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WO/2004/035682A1 |
A composition containing a hydroxylated fluorocopolymer produced with a specific polymerization initiator; and a cured article obtained by curing the composition. The composition contains a hydroxylated fluorocopolymer obtained by using ...
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WO/2004/024786A1 |
The present invention is based on quad-fluoropolymer suitable for the preparation of a fluoroelastomer. The fluoropolymer comprises repeating units derived from 10 to 40 mol% of tetrafluoroethylene, 40 to 65 mol% of vinylidene fluoride, ...
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WO/2004/024787A1 |
A process for the production of fluoropolymers for resist which are excellent in transparency in the vacuum ultraviolet region and useful as photoresists (particularly F2 resist) capable of forming ultrafine patterns and which each compr...
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WO/2004/024788A1 |
A compound is prepared, suitable for forming fluoroelastomers, having the unique features of a low glass transition temperature and desirable permeation resistance. The compound generally comprises two primary components. The first compo...
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WO/2004/022612A1 |
The invention provides a polymer having (a) at least one repeat unit derived from an ethylenically unsaturated compound having at least one fluorine atom covalently attached to an ethylenically unsaturated carbon atom; and (b) at least o...
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WO/2004/020489A2 |
This invention relates to novel rosin-fatty acid vinylic polymer compositions and the process for preparing them. In particular, the invention relates to novel rosin-fatty acid vinylic polymer compositions that exhibit properties which m...
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WO/2004/018534A1 |
The invention provides fluoropolymers which bear functional groups in high contents and can therefore fully exhibit the characteristics of the functional groups and which do not bring about a drop in Tg, namely, fluoropolymers comprising...
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WO/2004/016665A2 |
The invention concerns a polymer comprising both fluorinated aliphatic units and fluorinated aromatic units, said aromatic units bearing a -SO2R1 group, R1 representing OH, F or Cl or a -P(=O) (OR2)2, R2 representing H or an optionally s...
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WO/2004/016664A1 |
This invention provides a fluorine-containing copolymer having a repeat unit derived from at least one fluorinated olefin and a repeat unit derived from at least one polycyclic ethylenically unsaturated monomer having pendant hydroxyl or...
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WO/2004/014964A2 |
This invention provides novel fluorine containing polymers which comprise at least one fluorinated olefin, at least one polycyclic ethylenically unsaturated monomer with a fused 4-membered carbocyclic ring and, optionally, other componen...
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WO/2004/014960A2 |
The present invention provides novel fluorine-containing copolymers which comprise at least one fluorinated olefin, at least one polycyclic ethylenically unsaturated monomer with a fused 4-membered heterocyclic ring and, optionally, othe...
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WO/2004/011510A1 |
A curable fluoroelastomer composition for preparing a perfluoroelastomer. The composition includes; (1) a perfluoropolymer having one or more cure-sites selected from a halogen capable of participating in peroxide cure reaction and/or ni...
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WO/2004/011508A1 |
Aqueous microemulsions obtained from a perfluorinated alkane sulphonic or carboxylic acid or salt thereof, a liquid fluorinated monomer comprising a cure-site and optionally an inert liquid and highly fluorinated hydrocarbon compound. Th...
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WO/2004/011509A1 |
Fluorinated polymers useful in photoresist compositions and associated processes for microlithography are described. These polymers and photoresists have a fluoroalcohol functional group that simultaneously imparts high ultraviolet (UV) ...
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WO/2004/011543A2 |
A fluoropolymer suitable for the preparation of a fluoroelastomer. The fluoropolymer generally includes repeating units derived from the monomers tetrafluoroethylene, hexafluoropropylene, vinylidene fluoride, chlorotrifluoroethylene and ...
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WO/2004/009660A1 |
The present invention provides a curable composition comprising a fluoropolymer comprising interpolymerized units derived from (i) CF2=CF-Rf, wherein Rf is fluorine or a C1-C8 perfluoroalkyl, (ii) at least about 10 mole percent of a hydr...
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WO/2004/009661A1 |
Provided is a fluororubber copolymer which comprises perfluoromethyl vinyl ether (PMVE) units and has excellent chemical resistance and low-temperature resistance, namely a fluororubber copolymer obtained by radical polymerization in the...
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WO/2004/009647A1 |
A process for producing a fluoropolymer reduced in the content of branches and in weight change at high temperatures. It is a novel process substantially free from compositional distribution. It is a batch copolymerization process conduc...
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WO/2004/007576A1 |
A process for producing a fluorocopolymer which comprises polymerizing an ethylenic fluoromonomer with a fluorovinyl ether derivative represented by the following general formula (I): CF2=CF-O-[CF2CF(CF3)O]n-(CF2)m-A (I) (wherein n is an...
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WO/2004/007577A1 |
Peroxide curable fluoroelastomers having copolymerized units of vinylidene fluoride or tetrafluoroethylene major monomer, at least one other fluorinated major monomer, a cure site monomer having the general formula CH2=CH-(CF2)nI, where ...
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WO/2004/000896A1 |
A fluoropolymer having a reduced amount of polar end groups. The fluoropolymer is produced by free radical polymerization of fluorinated monomers and the initiation of the polymerization is carried out in the presence of a chloride salt....
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WO2003004463A9 |
The invention concerns fluorofunctional statistical polymers of formula (V1), wherein: X, Y and Z represent a hydrogen atom and exhibiting in particular low glass transition temperatures obtained in particular from a monomer of formula (...
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WO/2003/106516A1 |
A fluorocopolymer comprising (a) structural units derived from tetrafluoroethylene, (b) structural units derived from a nonaromatic vinyl ester monomer free from hydroxyl group and carboxyl group, (c) structural units derived from a hydr...
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WO/2003/106515A1 |
A fluorinated monomer having a sulfonate functional group, represented by the general formula: (XSO2)kCY1(CF2)mO(CFZCF2O)nCF=CF2 (1) wherein k = 2 or 3, k + 1 = 3, m = 0 to 5 and n = 0 to 5; X = F, Cl, OH, O(M)1/L (M is a mono- to trival...
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WO/2003/104293A1 |
The invention relates to a method of obtaining perfluorocarbon polymers containing fluorosulphonyl functional groups and having structural formula (I). The inventive method consists in performing a copolymerisation between tetrafluoroeth...
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WO/2003/097588A2 |
Hexafluoroisobutylene and its higher homologs are easily reacted with SO3 to give fluorosulfates of the formula CH2=C(R)CF2OSO2F, wherein R is a linear, branched or cyclic fluoroalkyl group comprised of 1 to 10 carbon atoms and may conta...
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WO/2003/093335A2 |
Compositions of specialty fluoroelastomers containing copolymerized units of tetrafluoroethylene, propylene, optionally vinylidene fluoride, and a cure site monomer selected from the group consisting of i) perfluoroalkyl ethylenes and vi...
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WO/2003/093333A1 |
Modified polytetrafluoroethylene powder of a sinterable copolymer of tetrafluoroethylene containing about 0.5 to about 10 weight % of fluorinated vinyl ether, the copolymer having a melt creep viscosity of greater than about 1 x 106 Paâ‹...
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WO/2003/093334A1 |
A base resistant, substantially amorphous fluoroelastomer comprising (1) 10-40 mole percent ethylene units, (2) 32-60 mole percent tetrafluoroethylene units, (3) 20-40 mole percent perfluoro ether units selected from the group consisting...
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WO/2003/089712A1 |
This invention provides compositions for treating fibrous substrates to render those substrates durably repellent to water and oil and durably resistant to dry soil comprising a 1) fluorochemical urethane formed by reacting a tri- or hig...
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WO/2003/089232A1 |
The invention provides an article comprising a first layer comprising a first substantially solid partially-fluorinated thermoplastic polymer, and a second layer comprising a second substantially solid partially-fluorinated thermoplastic...
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WO/2003/082936A1 |
A fluorinated olefin polymer containing 10 to 50 mol% structural units derived from a hydroxylated monomer, characterized by having a polysiloxane segment in the main chain. When a cured film obtained by curing a curable resin compositio...
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WO/2003/078481A1 |
The present invention provides melt-processible poly(tetrafluoroethylene) polymers having a peak melting temperature above 315 °C and good mechanical properties at room temperature and at elevated temperatures, for instance a strain at ...
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WO/2003/076484A1 |
A fluorocopolymer which is obtained at low cost, has flowability at ordinary temperature, and is curable; a process for producing the fluorocopolymer; and a curable composition which has satisfactory processability and is applicable in s...
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WO/2003/070791A1 |
A composition that includes a fluorine-containing copolymer containing at least 30 mol % of residues having the following alternating structural unit: -[DM-AM]-where DM represents a residue from a donor monomer having the following struc...
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WO/2003/068718A2 |
The present invention embodies halogenated compounds that can be used as monomer units in a variety of polymeric compositions. Processes for making the monomers and polymers are provided.
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WO/2003/059969A1 |
An FEP pellet having a volatile content of 0.2 % by weight or less. The FEP pellet satisfies the following requirements (i) and (ii) when used to form a insulating material coating a core wire by extrusion coating at a coating speed of 2...
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WO/2003/059970A1 |
A fluorine-containing copolymer obtained by copolymerizing tetrafluoroethylene, hexafluoropropylene and perfluoro vinyl ether as component monomers, wherein a weight ratio of tetrafluoroethylene, hexafluoropropylene and perfluoro vinyl e...
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WO/2003/057961A2 |
Breathable non-wettable non-woven materials include a mass of melt-blown, non-woven fibers formed of a terpolymer of tetrafluroethylene, hexafluoropropylene and vinylidene fluoride monomers. Most preferably, the materials of the present ...
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WO/2003/054031A1 |
A fluoropolymer having ethylenically unsaturated groups, which is obtained by reacting a hydroxyl-bearing fluoropolymer with a compound having one isocyanate group and at least one ethylenically unsaturated group at an isocyanate /hydrox...
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WO/2003/051944A1 |
A fluorinated terpolymer which has a monomer unit composition comprising 20 to 98 wt.% tetrafluoroethylene units, 1 to 40 wt.% perfluoro(ethyl vinyl ether) units, and 1 to 40 wt.% perfluoro(propyl vinyl ether) units, has a specific melt ...
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