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7514515 |
Method for the production of acrylate adhesive materials using metal-sulphur compounds
A process for preparing a pressure-sensitive polyacrylate adhesive, characterized in that a polyacrylate composition including the atomic sequence C—S—C is admixed with at least one metal...
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7312290 |
Curable formulations, cured compositions, and articles derived thereform
Curable formulations comprising: (a) at least one multifunctional acrylate having a functionality of at least two, (b) at least one mono-acrylate monomer, (c) at least one heteroatom-containing...
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7009011 |
Copolymers of maleic anhydride by stable free redical polymerization
A stable free radical process for preparing a polymer having acid anhydride functionality includes heating a mixture comprised of a stable free radical agent, maleic anhydride or derivative...
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6995221 |
Method for producing organic peroxides and their use in the radical polymerization of monomers
A process for producing organic peroxide initiators useful in the polymerization of ethylenically unsaturated monomers. The process for making the organic peroxides includes forming an aqueous...
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6982308 |
PTFE-based formulation for the insulation of integrated circuits
A formulation based on the PTFE, homopolymer or modified, comprising:
1) latex of said PTFE having a particle diameter between 5 and 100 nm, comprising an anionic fluorinated surfactant in an...
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6974853 |
Acrylate contact adhesive materials having tight molecular weight distribution
An initiator system for radical polymerization, which comprises a combination of compounds of the formulae:
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6960638 |
Depot polymerization starter beads
The invention relates to polymer beads having a high content of diacyl peroxides. A prolongation of the pot life in reaction resins based on high-boiling methacrylate esters is achieved due to this...
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6946528 |
Hot melt adhesives
The invention provides a hot melt adhesive composition including a tubular reactor copolymer of ethylene and 5 to 20 mol % of comonomer units derived from an alkyl acrylate or alkyl methacrylate,...
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6930141 |
Aqueous polymer blend composition
An aqueous polymer blend composition including a predominant amount of soft polymer particles and a minor amount of hard polymer particles is provided. The soft polymer particles contain, as...
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6914099 |
Water absorbent resin particles of crosslinked carboxyl-containing polymers with low monomer content
Superabsorbent polymers having reduced levels of residual monomer are produced using a peroxodisulfate salt.
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6887933 |
Aqueous acrylic emulsion polymer composition
An aqueous acrylic emulsion polymer including, as copolymerized units, 70 to 99.5% by weight, based on dry polymer weight, monoethylenically unsaturated nonionic (meth)acrylic monomer and from 0.3...
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6846888 |
Stabilized organic peroxydicarbonate compositions
Thermally stabilized initiator compositions comprising:
(a) at least one dialkyl peroxydicarbonate, and (b) a stabilizing effective amount of a compound of Structure I:
wherein R 1 and...
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6815517 |
Mortar composition of at least two components and curable by heat initiation and a method for fastening tie rods, reinforcing steel for concrete or the like in solid substrates
An at least two-component mortar composition is described, which can be cured by thermal initiation and contains at least one polymerizable monomer and/or at least one curable resin, at least one...
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6803435 |
Curable fluoropolymers containing bromine groups having improved compression set
The present invention provides a curable composition comprising a fluoropolymer comprising interpolymerized units derived from (i) CF 2 ═CF—R f , wherein R f is fluorine or a C 1 -C 8 ...
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6800709 |
Method of preparing polymer particles having narrow particle size distribution
A method has been described of preparing monodisperse polymer particles by free radical polymerization or copolymerization of hydrophobic monomers in a water-based system in the presence of...
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6777385 |
Low-Molecular (meth)acrylicacid(salt)-based polymer and its production process and uses
A low-molecular (meth)acrylic acid (salt)-based polymer having a good color tone is obtained by polymerizing an aqueous solution of at least one monomer component of a high concentration in the...
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6765078 |
Method for producing polyacrylates
A process for preparing polyacrylates, characterized in that the monomer mixture for preparing the polyacrylates is composed of at least 70% by weight of at least one acrylic monomer of the...
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6759494 |
Fluoroelastomers
Curable fluoroelastomers comprising monomeric units formed by a triazine iodinated derivative having general formula: wherein Y′ is independently H, Cl, F, CH 3 , or CF 3 , m′ and t′ are 0...
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6727335 |
Polymeric phosphinic acids and salts thereof
The invention relates to polymeric phosphinic acids and their salts of the formula (I) in which X is hydrogen or a 1/m metal of valency m, R 1 and R 2 are identical or different and are...
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6713557 |
Redox system and process
A process for preparing an aqueous emulsion polymer including providing at least one ethylenically unsaturated monomer and a free radical redox initiator system under emulsion polymerization...
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6660818 |
Method for producing a fluoropolymer
A method for producing a fluoropolymer, which comprises polymerizing a monomer containing a fluoromonomer having a polymerizable double bond, using an initiator, in a medium containing fluoroform...
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6635725 |
Method for producing ethylene-vinyl acetate copolymer aqueous emulsion
A method for producing an ethylene-vinyl acetate copolymer aqueous emulsion is provided which uses a redox catalyst comprising a transition metal salt and an erysorbic acid and/or an ascorbic acid,...
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6632908 |
Bonding system having adherence to low energy surfaces
The present invention is directed to (meth)acrylate compositions useful for bonding substrates including metals, plastics, and glass to similar or different substrates, in particular, low energy...
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6605182 |
Polymers, their preparation and their use
(Co)poly-α-hydroxyacrylic-acid-based polymers (P), optionally in lactonized form or in salt form, optionally as Mg-complexes, and which are characterized by a content in carbohydrate units and...
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6599677 |
Polymer and photoresist compositions
Disclosed are spirocyclic olefin ploymers, methods of preparing spirocyclic olefin polymers, photoresist compositions including spirocyclic olefin resin binders and methods of forming relief images...
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6599998 |
Method of producing a photographic copolymer coupler
There is disclosed a method of producing a copolymer by polymerizing at least two monomers having different reactivity as constitutional components, comprising carrying out a polymerization while...
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6583247 |
Process for producing free radical polymerized copolymers
Process for the copolymerization of free radical polymerizable comonomers such as vinyl acetate with an unsaturated diester such as diakyl fumarate which is carried out in the presence of water to...
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6583234 |
Process for preparing waterfastness additive
Disclosed is a process which comprises (a) reacting allyl bromide with diethyl amine in a molar ratio of at least about 1 mole of allyl bromide per about 1.15 moles of diethyl amine and in a molar...
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6569976 |
Amphiphilic polymer composition
Polymer compositions derived from selected monoethylenically unsaturated (C 3 -C 6 )carboxylic acid monomers, (C 1 -C 4 )alkyl (meth)acrylate ester monomers and alkoxylated (meth)acrylate monomers...
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6566469 |
Enzyme-mediated polymerization methods and products
A method for polymerization of substituted ethylene monomers in an enzyme-mediated process is disclosed. The reaction proceeds under mild conditions with a wide variety of monomers, and is capable...
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6479603 |
Method for living free-radical polymerization
The invention provides a process for the living free radical addition polymerization of one or more ethylenically unsaturated monomers using at least one free-radical polymerization initiator and...
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6469094 |
Polymerization processes
A process for latex preparation including: a first heating of a mixture of at least one free radical polymerizable monomer compound, a free radical initiator compound, and a stable free radical...
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6448354 |
Methyl methacrylate syrup and production thereof
A methyl methacrylate syrup is produced by the steps of (1) preparing a starting material comprising methyl methacrylate or a monomer mixture mainly comprising methyl methacrylate, and dividing the...
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6306982 |
Process for the production of general purpose PSA's
General purpose inherently tacky acrylic pressure sensitive adhesive polymers formed of alkyl acrylates, vinyl esters, diesters of dicarboxylic acid and saturated carbocylic acids, having improved...
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6262209 |
Process for preparing modified PTFE
Method for preparing modified PTFE by suspension, wherein as comonomers perfluoroalkylvinylethers in which the alkyl has from 1 to 5 carbon atoms, and/or a perfluorodioxole are used, characterized...
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6258910 |
Polymerizing vinyl chloride in carbon dioxide
Disclosed is a method of polymerizing vinyl chloride or vinylidene chloride monomer. A mixture is prepared of (1) a monomer selected from the group consisting of vinyl chloride, vinylidene...
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6184321 |
Method of manufacturing water-soluble polymers, polymers manufactured thereby, and uses of said polymers
Homopolymers and/or copolymers are manufactured by polymerizing ethylenically monounsaturated monomer(s) in an aqueous solution in a reaction vessel containing compounds which contain a phosphorus...
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6174977 |
Cold curable resin composition and base material coated with the same
Disclosed is a cold curable resin composition comprising at least a block copolymer in which a polymer portion having an epoxy group, a hydroxyl group and a hydrolytic silyl group and a...
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6107396 |
Method of preparing a composite of organic and inorganic compounds
A method of preparing a composite of organic and inorganic compounds includes the steps of reacting a mixed solution of a metal alkoxide and a silicon-containing compound with a catalyst to produce...
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5959052 |
Sulfonated perfluoroelastomer composition having improved processability
Curable perfluoroelastomer compositions are prepared in the presence of an initiator system comprising a mixture of a persulfate salt and a reducing agent wherein the amount of reducing agent...
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5958586 |
Monodisperse particle latices of vinyl chloride polymers
Improved monodisperse spheroidal particle latices of vinyl chloride polymers, e.g., having particle sizes ranging from 0.17 to 0.8 μm or from 0.5 to 1.2 μm, are produced by aqueous emulsion...
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5877264 |
Fast-curing perfluoroelastomer composition
A process for preparing perfluoroelastomer compositions which comprise perfluoroelastomers having a plurality of nitrile groups and a plurality of carboxyl-containing groups, carboxylate-containing...
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5824756 |
H.sub.2 O.sub.2 -catalyzed polymerizations for linear polyvinylpyridines
Described are preferred processes for producing linear polyvinylpyridines. The processes involve the use of hydrogen peroxide to initiate polymerization of vinylpyridine monomers in an aqueous...
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5789509 |
Perflouroelastomer composition having improved processability
Perfluoroelastomer compositions of improved processability are provided which have reduced levels of ionized or ionizable polymer endgroups.
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5773541 |
Preparation of copolymers of vinyl esters and monoethylenically unsaturated carboxylic acids and their use
A process for preparing copolymers of vinyl esters and monoethylenically unsaturated carboxylic acids by free-radical copolymerization of (a) 20 to 80 mol % of vinyl esters of aliphatic...
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5616292 |
Process of making PAN fibers
A process for preparing PAN fibers under precipitation polymerization conditions in an aqueous solvent system.
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5610256 |
Method of producing an ultra high molecular weight polymer emulsion
An ultra high molecular weight polymer emulsion is produced by emulsion polymerization of a vinyl monomer, wherein the oxygen concentration in the aqueous phase of the reaction system is maintained...
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5519102 |
Aqueous polymerization method for poly(isopropenylphosphonic acid)
A method of preparing poly(isopropenylphosphonic acid) is disclosed, which provides a high yield with low initiator charge. The method comprises preparing poly(isopropenylphosphonic acid) by...
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5470930 |
Process for producing polymer having hydroxyl group at both terminals
This invention provides a production process by which a polymer having a hydroxyl group at both terminals can be easily obtained with a cheap price and good efficiency from a wide field of...
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5416157 |
Process for improving mechanical shear stability of acrylic enteric polymers
Provided is a process useful for making acrylic polymers of methacrylic acid having improved shear stability. The process provides polymers useful as enteric coatings for medicaments having...
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