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Document Title |
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7238649 |
Powder composition
A powder composition comprising viscoelastic surfactant forms, in aqueous solution, a viscoelastic wellbore treatment fluid.
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7173085 |
Salt sensitive aqueous emulsions
This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic...
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6861469 |
Water-in-oil polymer dispersions with improved environmental compatibility
The invention relates to water-in-oil polymer dispersions consisting of a continuous organic phase and water-soluble polymers finely distributed therein, wherein said polymers have a radical...
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6723774 |
Method for producing caoutchouc particles
The invention relates to a method for producing caoutchouc particles (K) by means of emulsion polymerisation in the presence of an emulsifier and a polymerisation initiator. Said particles contain...
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6605668 |
Water-dissipatable polymers and their use in aqueous systems
The invention pertains to water-dissipatable polymers comprising lipophilic polymers having pendant sulfonic acid salt groups and, optionally, pendant nonionic groups, methods of making such...
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6579933 |
Process for producing aqueous solution of monoallylamine polymer
A high-molecular-weight monoallylamine polymer aqueous solution containing a monoallylamine polymer having a weight average molecular weight of 20,000 to 180,000 is prepared by polymerizing a...
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6531561 |
Polymers, the process for their preparation and the invert latexes containing them
Linear, branched or crosslinked polymer, capable of being obtained by polymerization of N-alkylacrylamide, in which the alkyl radical is linear or branched and comprises from 1 to 6 carbon atoms,...
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6488764 |
Cement composition with polymeric latexes prepared in the presence of amps seed
A cement composition comprising a polymeric latex prepared by aqueous emulsion polymerization of a monomeric mixture comprising styrene and butadiene in the presence of a seed polymer prepared by...
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6414080 |
Inverse emulsion polymer and production thereof
Disclosed herein is an inverse emulsion polymer composition comprising a copolymer or copolymer salt of N,N,-dimethylacrylamide and 2-acrylamido-2-methylpropane sulfonic acid or acid salts thereof,...
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6221956 |
Anionic polymer products and processes
Aqueous dispersions of anionic water-soluble or water-swellable polymers are provided, where the polymers have an anionic charge of greater than 16% and where the dispersions maintain their form at...
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6184287 |
Polymeric latexes prepared in the presence of 2-acrylamido-2-methylpropanesulfonate
A polymeric latex prepared by aqueous emulsion polymerization of a monomeric mixture comprising styrene and butadiene in the presence of a seed polymer prepared by aqueous emulsion polymerization...
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5942573 |
Acrylamide polymers and use thereof
Provided by this invention are an acrylamide polymer which has a weight-average molecular weight (a) of from 1,500,000 to 10,000,000 and a weight-average inertial radius (b) of from 30 to 150 nm,...
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5874524 |
Preparation of polymer powders which are redispersible in an aqueous medium
Polymer powders which are redispersible in an aqueous medium are prepared by drying an aqueous polymer dispersion whose polymer particles dispersed in the aqueous medium have a positive or a...
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5721313 |
Crosslinked polymer composition
A composition comprising a water-in-oil polymer emulsion wherein the polymer is the reaction product of the following: (a) an ethylenically unsaturated carboxylate having between about 3 and...
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5698629 |
Process for the preparation of a water-in-oil type high-molecular-weight polymer emulsion
A process for the preparation of a water-in-oil type polymer emulsion which comprises polymerizing an acrylamide-containing monomer in a water-in-oil type emulsion. The acrylamide is prepared by...
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5489645 |
Process for producing water-base resin dispersion
A process for producing a water-base resin dispersion which contains resin particles having a very fine particle diameter as fine as 25 to 100 nm and gives a coating composition excellent in water...
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5300554 |
Aqueous contact adhesive dispersions, process for their preparation, and their use
The invention relates to aqueous contact adhesive dispersions containing, based on the total weight of the dispersion, from 40 to 70% by weight of a copolymer prepared by emulsion polymerization,...
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5214096 |
Water soluble acrylic polymerizable materials, polymers made from them, and processes of making them
Water soluble polymerizable acrylic prepolymers can be formed from ethylenically unsaturated monomers that include monomers that provide a pendant group that is a blocked, saturated, ethylenic...
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5166259 |
Cured emulsion copolymers having a plurality of activatable functional ester groups
An aqueous latex contains a functionalized copolymer prepared by emulsion polymerization. The copolymer can be applied to textile nonwoven materials and to various cellulosic substrates, and when...
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5110864 |
Cationic monomer delayed addition process
Water-in-oil emulsions of cationic water-soluble copolymers which are prepared by incorporating only a portion of the cationic monomer in the aqueous phase prior to forming the water-in-oil...
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5017646 |
Aqueous vinyl resin emulsion
(A) 1 to 50% by weight of at least one end carboxyl bearing reactive vinyl monomer of the formula: ##STR1## in which R 1 is hydrogen or methyl group; R 2 is a substituted or unsubstituted...
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4857585 |
Stable amphoteric aqueous dispersions of synthetic polymers
Stable amphoteric aqueous dispersions of synthetic polymers obtained by reacting at least one unsaturated nitrogen compound capable of being hydrolyzed in an acid or alkaline medium with an aqueous...
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4812510 |
Small particle size latex based on vinyl acetate polymers
Colloid-free vinyl acetate latexes having an average particle size between 400 Å to 700 Å at a concentration of 30 to 50% by weight have been prepared. The latexes comprise 60 to 100 weight...
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4678819 |
Compositions for artificial marbles and process for producing artificial marbles therefrom
A composition for artificial marble which comprises a polymer composition in which an inorganic substance and an organic polymer are firmly bound in one body and a vinyl compound, said polymer...
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4666974 |
Antioxidant thickening compositions
An oxidation resistant thickening composition of matter comprising a liquid emulsion copolymer comprising about 0.10 to 50 parts by weight of at least one antioxidant monomer and at least 20 parts...
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4623695 |
Acrylate hydrosols
Low-viscosity acrylate hydrosols based on (meth)-acrylic acid esters and other monomers, such as styrene, methyl styrene, acrylonitrile, vinyl acetate and/or vinyl chloride, which are produced in...
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4617343 |
Laminating adhesives containing polymerized surfactant
Laminating adhesives are prepared from alcohol and an emulsion polymer, the polymer having been prepared in the presence of a polymerizable surfactant.
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4581402 |
Novel stable water in oil dispersions of hydrosoluble cationic polymers based on salified or quaternized dimethylaminoethyl acrylate, process of preparation thereof and application thereof as flocculents
The invention relates to stable water in oil dispersions, of hydrosoluble cationic polymers based on salified or quaternized dimethylaminoethyl acrylate copolymerized or not with acrylamide, and...
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4554298 |
Water soluble polymers
A water soluble polymer containing acid groups can be fractionated into higher and lower molecular weight fractions by partial neutralization of the polymer as a solution in a blend of water and a...
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4546145 |
Polymer composition
A polymer composition wherein an inorganic substance and an organic polymer are firmly consolidated, which is characterized by being produced by polymerizing a vinyl monomer susceptible to radical...
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4530946 |
Resinous emulsion comprising microparticles for coating use and preparation thereof
A resinous emulsion is prepared by copolymerizing α,β-ethylenically unsaturated monomers and a crosslinking monomer which is at least difunctional, in an aqueous medium in the presence of a resin...
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4397984 |
Use of acrylate-based emulsion copolymer as the sole binder for a paper coating composition
An aqueous paper-coating composition which essentially comprises a finely divided pigment and an emulsion copolymer of (a) from 30 to 80% by weight of C 4 -C 8 -alkyl acrylates or mixtures of...
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4373056 |
Aqueous artificial resin dispersions free of emulsifying agents
An aqueous artificial resin dispersion, comprising an aqueous phase and a water-insoluble disperse phase formed from particles containing a copolymer formed in substantial part from a water...
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4368287 |
Emulsifier and compositions comprising same
An acrylic resin emulsion which comprises an aqueous medium and particles of an acrylic resin emulsified and dispersed therein by the use of the emulsifier comprising as an essential component a...
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4309327 |
Polymeric resin from ethylenic amino, sulfonic monomers
A coating composition comprising as a main component a polymeric resin obtained by solution polymerization of at least one of polymerizable amino acid compounds of either one of the formulas:...
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4246387 |
Emulsion polymerization with sulfonated alkoxylated alkyl arylol maleates
Emulsion polymerization is carried out with reactive surfactants comprised of ring sulfonated maleate half esters of alkoxylated alkyl arylols.
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4230810 |
Method of preparing resin
A method of preparing a resin by free radical emulsion polymerizing a monomer mixture comprised of (A) a water soluble bifunctional monomer, (B) a hard segment hydrophobic enhancing monomer, (C)...
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4116912 |
Aqueous resin dispersion and thermosetting paint composition containing same
A thermosetting coating composition which comprises an aqueous resin dispersion obtained by polymerization of a polymerizable monomer having an ampho-ionic structure with any other polymerizable...
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4115339 |
High molecular-weight, water-soluble vinyl polymers
Aqueous gels of water-soluble polymers and copolymers of extremely high molecular weight as measured by their intrinsic viscosities are prepared by the irradiation, under controlled conditions of...
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4064091 |
Process of forming a polymeric emulsion which comprises copolymerizing in aqueous dispersion an ethylenically-unsaturated monomer containing quaternary nitrogen
A novel class of monomeric emulsion stabilizers consists of certain types of ethylenically unsaturated radicals covalently linked to a quaternary nitrogen atom which in turn is covalently linked to...
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4051093 |
Manufacture of shear-resistant aqueous copolymer emulsions
Shear-resistant aqueous copolymer emulsions which can be used for sizing paper are manufactured by first copolymerizing, in the aqueous phase of an aqueous emulsion, using conventional...
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4017440 |
Polymers stabilized with polymerizable vinylbenzyltrialkyl ammonium salt surfactant
An effective amount of a vinylbenzyltrialkylammonium salt, prepared from a vinylbenzyl halide and a tertiary amine, is polymerized with various other monomers to afford stable latex polymers which...
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4012560 |
Articles coated with pressure-sensitive interpolymers containing 2-acrylamido-2-methylpropanesulfonic acid
Acrylic pressure-sensitive resins comprising at least one ester of acrylic acid or methacrylic acid containing from 6 to 20 carbon atoms and between 0.1 and 1.5 weight percent of...
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3933716 |
Aqueous dispersions of vinylester/ethylene/ethylenically unsaturated sulfonic acid or derivative thereof copolymers
Polymer dispersions having solids contents of from 45 to 65% by weight are continuously produced by copolymerizing a vinyl ester, ethylene and (meth)acrylamidoalkyl sulphonic acid or...
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3931087 |
Pressure-sensitive emulsion interpolymers containing 2-acrylamido-2-methylpropanesulfonic acid and having glass transition temperatures in the range of -15° to -75°C
Acrylic pressure-sensitive resins comprising at least one ester of acrylic acid or methacrylic acid containing from 6 to 20 carbon atoms and between 0.1 and 1.5 weight percent of...
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3929706 |
Continuous process for the production of copolymer dispersions
Continuous process for the production of film-forming dispersions of copolymers containing copolymerized units of 10 to 30% by weight of ethylene, 20-89% by weight of vinyl chloride, 0 to 69% by...
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3926756 |
Process for preparing high molecular-weight, water soluble vinyl polymers by irradiation
Aqueous gels of water-soluble polymers and copolymers of extremely high molecular weight as measured by their intrinsic viscosities are prepared by the irradiation, under controlled conditions of...
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3901857 |
Process for the production of high molecular weight cationic acrylamide copolymers
High molecular weight cationic copolymers of (meth)acrylamide and tertiary or quaternary aminoalkyl(meth)acrylates are produced by copolymerization of said monomers in the presence of a redox...
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3691140 |
ACRYLATE COPOLYMER MICROSPHERES
Infusible, solvent-dispersible, solvent-insoluble, inherently tacky, elastomeric copolymer microspheres consist essentially of about 90 percent to about 99.5 percent by weight of at least one alkyl...
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3687886 |
PRODUCTION OF POLYMERS HAVING BETAINE GROUPS CONTAINING SULFUR ATOMS
New homopolymers and copolymers and their solutions or dispersions having numerous applications are prepared by homopolymerization or copolymerization of olefinically unsaturated sulfitobetaines in...
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