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8093332 |
High impact polystyrene and process for preparing same
Disclosed are high impact polystyrenes prepared using mixed initiators. The mixed initiators include at least one grafting initiator and one non-grafting initiator. The high impact polystyrenes...
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8034851 |
Anaerobic cure systems for an anaerobic curable compositions, and anaerobic curable compositions containing same
The present invention relates to new cure accelerator systems for anaerobic curable compositions. These anaerobic cure systems include tetraalkyl ammonium oxidizing salts that are soluble in the...
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8008414 |
Organic antimony compound, process for producing the same, living radical polymerization initiator, process for producing polymer using the same, and polymer
An organoantimony compound represented by the formula (1), processes for producing polymers with use of the compound, and polymers wherein R1 and R2 are C1-C8 alkyl, aryl, substituted aryl or an...
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7923517 |
Polymer microparticles and production method for the same
A method for producing polymer particles which includes: forming polymer particles by heterogeneous polymerization of a monomer in a supercritical fluid and/or subcritical fluid, wherein a radical...
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7884161 |
Method for preparation of 1-alkene-acrylate based copolymer
The present invention provides a method for preparation of an 1-alkene-acrylate based copolymer comprising a step of a radical polymerization reaction of 1-alkene and acrylate based monomer under...
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7629423 |
Alkene-acrylate-norbornene terpolymer and method for preparing the same
The present invention provides method of preparing alkene-acrylate-norbornene terpolymer by polymerization of a monomer mixture consisting of alkene, acrylate and norbornene by a radical initiator...
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7595369 |
Method of polymerizing cyclic olefins and vinyl olefins, copolymer produced by the method and optical anisotropic film comprising the same
A method of copolymerizing cyclic olefins and polar vinyl olefins, a copolymer produced by the method, and an optical anisotropic film including the copolymer are provided. According to the...
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7402646 |
Polymerization of diisopropenylbenzene
Processes for preparing substantially linear polymers from diisopropenylbenzenes are provided. The polymers are useful in making a variety of products, including coatings, pigment dispersing...
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7399814 |
Living radical polymerization method
A highly active and environment-friendly catalyst for use in a living radical polymerization is provided. A catalyst for use in a living radical polymerization method is provided. The catalyst...
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7319083 |
Polymerized catalyst composition
A composition is provided that includes a product of combining, in the presence of a free radical initiator a catalyst precursor and at least one monomer wherein the monomer and the catalyst...
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7119155 |
Polymerized catalyst composition II
Copolymerization of Ni(II) phenol imine complexes containing olefinic substituents on aryl groups with styrene in the presence of a radical initiator results in polymerized late transition metal...
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7098280 |
Controlled polymerization
The present invention discloses an emulsion polymerization process that comprises: (1) preparing an aqueous polymerization medium which is comprised of (a) at least one monomer, (b) a...
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7091293 |
Stereoregular polar vinyl polymers and methods of making the same
The polymerization of polar vinyl monomers in the presence of Lewis acids produces stereoregular vinyl polymers. Polar vinyl monomers may be mixed with Lewis acids to form associations or complexes...
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7071270 |
Method for obtaining polybutadiene-based aqueous dispersions
The invention relates to a method for preparing butadiene-based aqueous dispersions in the presence of at least one azocarboxylic acid ester.
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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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6958368 |
Cure accelerators for anaerobic curable compositions
The present invention relates to new cure accelerators for anaerobic curable compositions. These anaerobic cure accelerators are generally sulfinimides and oxygen and sulfur derivatives thereof,...
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6852812 |
Latex having a high solids content and a low viscosity and exhibiting a bimodal distribution
A process is presented for the preparation of a latex by the emulsion polymerization at a temperature of between 30 and 90 C. of at least one ethylenically unsaturated monomer in the presence of at...
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6835762 |
Cure accelerators for anaerobic curable compositions
The present invention provides a new class of materials effective as cure accelerators for anaerobic curable compositions. The addition of these materials into anaerobic adhesives as a replacement...
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6784224 |
Paste-like polymerizable composition
A paste-like polymerizable composition in which two or three pastes are intimately mixed with each other to polymerize, the pastes do not gel and their polymerization curing times being stable,...
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6569968 |
Polymer of a water-soluble radical-polymerizable monomer, process for producing the polymer and flocculant comprising the polymer
A process for producing a polymer of a diallylalkylammonium halide which comprises polymerizing the diallylalkylammonium halide in the presence of a polymerization initiator in an aqueous solution...
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6559254 |
Method of producing a vinyl acetate polymer and its saponification product
The invention provides a process for producing a saponified vinyl acetate polymer (a saponified ethylene-vinyl acetate copolymer in particular) which features a minimum of coloration of molding...
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6518364 |
Emulsion living-type free radical polymerization, methods and products of same
Heterogeneous (e.g., emulsion) polymerization systems include a control agent that has a nitrogen-nitrogen bond covalently bonded to a thiocarbonyl moiety for living-type free radical...
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6509428 |
Radical polymerization in the presence of several stable free radicals
The invention relates to a process for the radical polymerization of at least one monomer in the presence of at least two stable free radicals of different natures. The use of two different stable...
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6262205 |
Radical-polymerizable multicomponent mixtures storable in the absence of air and their use
The process of curing a radical-polymerizable multicomponent mixture containing an olefinically-unsaturated compound with ambient air by adding to the mixture an alkyl, cycloalkyl or aryl hydrazone...
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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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6166160 |
Process for making deodorized rubbery polymer
There is a need for odorless rubbery polymers that offer high heat resistance, ultraviolet light resistance and low fogging characteristics. For instance, rubbery polymers of this type are needed...
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6013750 |
Aerobic adhesive
The invention pertains to an aerobically curing composition comprising free-radical polymerizable compounds, an activator system, and optionally conventional additives, characterized in that said...
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5945492 |
Graft polymers with controlled viscosity
The present invention relates to a process for the preparation of graft thermoplastic polymers in which at least one thermoplastic polymer (A) is grafted with a functional monomer in the presence...
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5854365 |
Toner for developing electrostatic image and method of manufacturing resin composition
The present invention relates a toner for developing electrostatic images, comprising: a resin composition, which contains a binder resin and low molecular weight wax, and a coloring agent, wherein...
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5684103 |
Color stable dental restorative materials
In a polymerizable dental restorative resin composition useful as a dental composite resin and/or a denture/denture base material comprising at least one binder resin, a diluent monomer, at least...
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5668229 |
Process for preparing high-molecular weight acrylamide polymer
A process for preparing an acrylamide polymer is herein disclosed which comprises the step of initiating polymerization in the presence of an oxidation-reduction system polymerization initiator...
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5663252 |
Process for preparing a branched polymer from a vinyl aromatic monomer
A free radical polymerization process for producing a branched polymer from a vinyl aromatic monomer comprising polymerizing a vinyl aromatic monomer in the presence of a free radical initiator of...
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5629394 |
Direct synthesis by living cationic polymerization of nitrogen-containing polymers
A method is provided for the direct synthesis by living cationic polymerization of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal...
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5610249 |
Process for production of styrene or styrene derivative polymer of narrow molecular weight distrubition
The present invention provides a process for producing a styrene or styrene derivative polymer of narrow molecular weight distribution, which comprises (co)polymerizing a styrene or styrene...
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5556922 |
Dispersions for pressure sensitive adhesives containing alkyl (meth) acrylates
A method for preparing a dispersion for a pressure sensitive adhesive is provided, wherein the dispersions contain a copolymer (CP) having units of butyl acrylate and (meth)acrylic acid, the method...
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5434230 |
Composition containing olefinically unsaturated compounds and hydrazones
Compositions containing a radical-polymerizable olefinically unsaturated compound and a hydrazone of an aromatic aldehyde or ketone are provided. Also provided are methods for the production of...
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5422408 |
Polymerization of diallyldialkyl ammonium halide compounds with azo compound and inorganic salt
The present invention provides a process for polymerizing diallyldialkyl ammonium compounds to produce polymers with increased molecular weight in which the polymerization is carried out in an...
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5362827 |
Solution process for preparation hydrophobically functionalized cationic polymers (C-2691)
This invention provides a process for preparing novel hydrophobically associating polymers containing cationic functionality which are useful for clean-up of waste waters containing organic...
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5336745 |
Terminally-substituted polymeric compositions from cationically polymerizable monomers and initiators
A method is provided for the direct synthesis of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino or...
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5296577 |
Process for producing acrylamide polymer
There is disclosed a process for producing an acrylamide polymer which comprises polymerizing acrylamide monomer alone or a monomer mixture composed of 50 mole % or more of acrylamide monomer and a...
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5061767 |
Hydrophilic-hydrophobic polymer composites and membranes
A polymer composite, a method of making a polymer composite and a polymer composite membrane. The polymer composite comprises a uniform dispersion of hydrophobic polymeric particles in a continuous...
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5032653 |
Direct synthesis by cationic polymerization of nitrogen-containing polymers
A method is provided for the direct synthesis of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino or...
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4831096 |
Process of bulk polymerization of styrene using azoalkane mixtures containing unsymmetrical azoalkanes
Mixtures of azolakanes of varying thermal stabilities at least one of which is an unsymmetrical azoalkane (R--NN--R'), are prepared by reacting 4 equivalents of a mixture of two or more primary a...
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4801643 |
Small particle size non-surface active protective colloid-stabilized latexes derived from monomers of high aqueous phase grafting tendencies
Disclosed are aqueous polyacrylate dispersions, i.e., aqueous latex dispersions of acrylate polymers, having improved rheological and stability characteristics, prepared by polymerization of...
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4602073 |
Adhesive compositions
Fast curing, two part adhesives and articles bonded therewith are disclosed. The adhesives comprise a first part of free radical polymerizable acrylic monomers and a diazonium salt sufficient to...
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4540760 |
Process for producing polymers of monoallylamine
In a process for producing a polymer of monoallylamine comprising polymerizing monoallylamine, the polymerization is carried out using as a monomer inorganic acid salts (e.g., hydrochloride,...
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4504640 |
Process for producing monoallylamine polymer
By polymerizing an inorganic acid salt of monoallylamine in a polar solvent in the presence of a radical initiator having, in its molecule, an azo group and a group having cationic nitrogen atom, a...
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4328329 |
Process for polymerizing methyl methacrylate syrup using a dual initiator system
Polymerization of a methyl methylacrylate polymer syrup is carried out using a dual initiator system of tertiary C4 - or tertiary C5 -peroxyneodecanoate and 2,2'-azobis(isobutyronitrile).
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4306045 |
Process for producing acrylamide polymers
In the production of a dried acrylamide polymer by polymerizing, in an aqueous medium, acrylamide alone or a monomer mixture comprising 50 mole % or more of acrylamide and at least one monomer...
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4296214 |
Methacrylic resin having a high solar radiant energy absorbing property and process for producing the same
A methacrylic resin having a high solar radiant energy absorbing property wherein an organic compound (A) containing cupric ion and a compound (B) having at least one P-O-H bond in a molecule are...
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