Matches 1 - 50 out of 370 1 2 3 4 5 6 7 8 >
Match Document Document Title
7566762 Process for preparing fluoropolymer  
The present invention relates to a process for preparing a fluoropolymer containing at least one kind of fluoroolefin, which comprises carrying out polymerization in the presence of a surfactant...
7501479 Cationic polymerization of biological oils with superacid catalysts  
A method for the cationic polymerization of unsaturated biological oils (e.g., vegetable oils and animal oils) based on the cationic reaction of double bonds initiated by superacids is provided....
7365115 Composition for antireflection coating and method for forming pattern  
An anti-reflective coating film is formed by applying on a chemically amplified photoresist film an anti-reflective coating composition comprising an alkali-soluble fluorine-containing polymer, an...
7045584 Process for the manufacture of thermally stable PVDF  
The present invention relates to a process for the manufacture of PVDF homopolymer or copolymer by radical polymerization of vinylidene fluoride (VDF), and optionally of a comonomer, in aqueous...
7005490 Method for making methacrylate unit-containing low-polydispersity polymers  
The invention pertains to a method for making a methacrylate unit-containing polymer with polydispersity <1.7 and containing at least one cross-linkable functional group comprising a step of...
6969747 Olefin polymerization titanium catalyst  
An olefin polymerization titanium catalyst. It comprises a titanium compound and an organoaluminium compound cocatalyst supported on a soluble polysulfone comprising free reactive sulfone groups....
6916481 Active-substance vector multiparticulate system, production and use thereof  
The invention relates to an active substance vector multiparticulate system and to the production and use thereof. The object of the invention is an active-substance vector multiparticulate system...
6870019 Latex for dip molding and a dip molded product  
A latex for dip molding which comprises a latex obtained by emulsion polymerization of a monomer mixture in the presence of alkyl benzene sulfonate containing, based on 100 parts by weight of the...
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...
6774164 Process for producing fluoroelastomers with fluorinated anionic surfactants  
A novel emulsion polymerization process for the production of fluoroelastomers is disclosed wherein a partially fluorinated anionic surfactant of the formula F—(CF 2 CF 2 ) n —CH 2 CH 2 SO 3 M,...
6646084 Polyacrylamide medium for the electrophoretic separation of biomolecules  
A polyacryalmide medium for the electrophoretic separation of biomolecules. The polyacryalmide medium comprises high molecular weight polyacrylamides (PAAm) having a viscosity average molecular...
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...
6555638 Production of water-expandable styrene polymers  
A process for the preparation of styrene polymers containing water as the sole expanding agent by polymerization of styrene in aqueous suspension in the presence of an amphiphilic organic...
6512063 Process for producing fluoroelastomers  
A novel emulsion polymerization process for the production of fluoroelastomers is disclosed wherein a hydrocarbon sulfonate anionic surfactant of the formula CH 3 —(CH 2 ) n —SO 3 M, CH 3...
6380302 Surfactant composition for emulsion polymerization  
The present invention provides a surfactant composition for emulsion polymerization. The surfactant composition for emulsion polymerization comprises a compound (a) represented by the formula (I)...
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...
6296783 Gel-form solid polymer electrolyte  
A polymeric gel electrolyte comprising: (a) an acrylic ester polymer matrix containing structural units derived from at least one acrylic ester selected from among acrylic esters represented by...
6288185 Initiators for radical polymerization  
Initiators for free-radical addition polymerization comprising as structural feature the Diels-Alder adduct of an azo group (--NN--) with a conjugated double bond (diene).
6281309 Flourinated solid acids as catalysts for the preparation of hydrocarbon resins  
Fluorinated solid acids and supported fluorinated solid acids are used as catalysts for the polymerization of a feed stream containing at least one of pure monomer, C5 monomers, and C9 monomers to...
6258901 Process for producing lightly colored p-vinylphenol polymer  
There is provided a process for efficiently and economically producing a polymer which is superior in transmittances of visible light and far-ultraviolet light, has a high molecular weight and is...
6235857 Control of molecular weight and end-group functionality in polymers  
This invention relates to a process for the production of lower molecular weight polymers by free radical-initiated polymerization of unsaturated species characterized by the use of an unsaturated...
6214945 Process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions  
The present invention is an improved process for producing high molecular weight monovinylidene aromatic polymers and polymodal compositions by free radical polymerization of a vinyl aromatic...
6136903 Repulpable, pressure-sensitive adhesive compositions  
Repulpable PSA compositions and constructions that exhibit high adhesive performance on a wide range of substrates are provided. In one embodiment, a PSA composition comprises a blend of two...
6121397 Polymerization processes using oligomeric compound, monomer and surfactant  
A process for the preparation of a thermoplastic resin, or thermoplastic resins comprising: forming, or providing a miniemulsion comprised of a mixture of an oligomeric compound of the formula...
6084044 Catalyzed process for producing high molecular weight monovinylidene aromatic polymers  
The present invention is a process for producing a high molecular weight monovinylidene aromatic polymer, comprising free radically polymerizing a vinyl aromatic monomer in the presence of less...
6077903 Continuous process for producing rubbery polymer  
There is a need for polymers which are utilized in automotive interiors which offer increased heat and ultraviolet light resistance. It is particularly critical for polymers which are utilized in...
6025457 Molten-salt type polyelectrolyte  
Novel molten-salt type polyelectrolytes are disclosed which contain as an essential ingredient a molten salt polymer obtained by reacting an imidazolium derivative, such as a 1,3-dialkylimidazolium...
5948874 Acid catalyzed polymerization  
The present invention is an improvement in a free radical bulk polymerization process for preparing a high molecular weight polymer from a vinyl aromatic monomer characterized in that the...
5877267 Fluorine-containing polymers and preparation thereof  
A method for polymerizing fluorine-containing ethylenically-unsaturated monomer and allylic-hydrogen containing olefin monomer is provided. The method involves the use of fluoroaliphatic-group...
5817376 Free-radically polymerizable compositions capable of being coated by electrostatic assistance  
Compositions containing conductivity enhancers, which are capable of being coated onto a substrate by means of electrostatic assistance. The compositions comprise one or more free-radically curable...
5789508 Polymerization process  
A compound of the formula C 6 F 12 --CH 2 CH 2 --SO 3 M, wherein M is a cation having a valence of 1 is used as a dispersing agent in the aqueous dispersion polymerization of...
5739230 Curable resin composition for coating use  
A curable resin composition curable through a Michael reaction between (a) a component having a plurality of α, β-unsaturated carbonyl groups and (b) a component having a plurality of activated...
5721324 Polymerization with scale preventive agent derived from a condensate of an azo and/or azoxy compound and a quinone compound  
A polymer scale preventive agent for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising an alkaline liquid containing a condensation product of: (A) at...
5691431 Cationic polymerization catalyzed by lewis acid catalysts supported on porous polymer substrate  
An immobilized Lewis Acid catalyst system for the carbocationic polymerization of olefin monomer is provided. The catalyst comprises a porous polymer support having catalytically active Lewis Acid...
5663260 Hyperbranched copolymers from AB monomers and C monomers  
A process for preparing hyperbranched polymers from AB monomers and C monomers Using a self-constructing approach is disclosed along with the hyperbranched polymers of a living-like character...
5639837 Process for making fluoropolymers  
Disclosed herein is a process in which fluorine containing olefins are polymerized using an initiation system which is a combination of a fluoroaliphatic sulfinate or sulfinic acid and chlorate,...
5629376 Polyacrylic acid compositions for textile processing  
Novel polyacrylic acid resins are prepared by polymerizing a monomer selected from the group consisting of H 2 CCHCO 2 X, H 2 CCR 1 CO 2 X, HR 2 CCHCO 2 X, HR 2 CCR 1 CO 2 X,...
5625018 Process for producing chloroprene rubber  
A chloroprene rubber having a shade of white only slightly tinged with pale yellow and exhibiting good tackiness is prepared by an aqueous radical emulsion polymerization of chloroprene or a...
5621055 Process for producing polymer particles with irregular shape  
A process for producing polymer particles with an irregular shape by polymerizing a water-soluble polymerizable monomer in a system comprising a hydrophobic organic solvent inert to the...
5616651 Rubbery polymer  
There is a need for polymers which are utilized in automotive interiors which offer increased heat and ultraviolet light resistance. It is particularly critical for polymers which are utilized in...
5608023 Rate enhanced polymerization processes  
A polymerization process for the preparation of thermoplastic resin or resins comprising heating a mixture comprised of a free radical initiator, a stable free radical agent, at least one...
5563226 Process for making photographic polymeric matte bead particles  
A process of making polymeric matte bead particles for use in photographic elements which comprises forming a suspension of ethylenically unsaturated monomer droplets in an aqueous media,...
5491213 Production of polysuccinimide  
Polysuccinimide is prepared by reacting an unsaturated C 2 dicarboxylic acid or anhydride thereof, e.g., maleic acid, fumaric acid, and maleic anhydride, with a particulate ammonium salt that is...
5486544 Polymerizable composition  
A polymerizable composition comprising: (a) a monomer; and (b) a sulfinate represented by the formula (I): ##STR1## wherein R 1 and R 5 each represents a substituent having 2 to 6 carbon...
5464915 Method of preparing styrene polymers by suspension polymerization  
In a method of preparing styrene plastics, the water medium containing tricalcium phosphate is prepared in situ (0.15 to 1.5 wt. %). Then, calcium carbonate (0.07 to 0.35 wt. %) is heated and...
5426163 Redispersible powder composed of n-vinylpyrrolidone/vinyl acetate copolymer the preparation and use thereof  
A process for preparing a free-flowing redispersible powder composed of a vinyl-pyrrolidone/vinyl acetate copolymer containing 15-40% by weight of vinylpyrrolidone units wherein the mixture of the...
5424343 Thermally resistant cyanoacrylates employing substituted napthasultone additive  
A cyanoacrylate monomer adhesive formulation which has improved thermal properties resulting from the inclusion in the formulation of an effective amount for enhancing the thermal resistance of the...
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...
5403903 Process for preventing polymer scale using an alkaline solution of a condensation product of an aromatic dibasic acid dihydrazide and an aromatic tetracarboxylic acid anhydride  
A polymer scale preventive agent for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising an alkaline solution containing a condensation product of (A) an...
5399646 Alkylidenenorbornene polymer and process for producing the same  
The present invention discloses an alkylidenenorbornene polymer comprising as the essential constituent at least one kind of the structural unit represented by the formula ##STR1## wherein R 1 ...
Matches 1 - 50 out of 370 1 2 3 4 5 6 7 8 >