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7476712 |
Film and process for producing the same
The invention is directed to a film which comprises a poly(carboxylic acid) polymer and a polyvalent metal compound, which is endowed with excellent gas barrier property against, for example...
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7468414 |
Moisture absorptive and desorptive ultrafine particles and a product using said ultrafine particles
To provide moisture absorptive and desorptive ultrafine particles having high moisture absorptive and moisture desorptive properties and particularly having an excellent moisture absorptive rate...
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7314902 |
Hot-melt adhesive
The present invention provides a hot-melt adhesive composition comprising a blend of: a reactive filler comprising an aluminum compound, a magnesium compound, a calcium compound, a barium compound...
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7312281 |
Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity
An anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity comprising the steps of polymerization, purification, transesterification, purification, catalyst...
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7279530 |
Method for producing low friction fluorine rubber crosslinked body
A fluororubber composition includes a polyol-crosslinkable fluororubber, a crosslinking accelerator, a polyol crosslinking agent and calcium hydroxide, with the crosslinking accelerator having a...
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7166645 |
Process for the alkaline saponification of crosslinked acrylonitrile bead polymers
The alkaline saponification of acrylonitrile bead polymers provides weakly acidic cation exchangers with little intrinsic color and with reduced residual nitrogen content if the saponification is...
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7151141 |
Stabilized fluorine-containing polymer and method for stabilizing fluorine-containing polymer
To a fluorine-containing polymer, 0.1 to 10% of a compound having an alkali metal or an alkaline earth metal in terms of the number of atoms of the alkali metal or the alkaline earth metal based on...
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7037949 |
Ion-exchange resin membrane and method for producing the same
A reactive liquid is coated on an ion exchange resin precursor membrane for the hydrolysis treatment. Preferably, a reactive liquid having a viscosity of not lower than 50 mPa·s or a small surface...
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7030193 |
Nitrite compositions
The present invention relates to a polymer composite containing at least one carboxylated nitrile rubber polymer, that is optionally hydrogenated, at least one basic compound, at least one...
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6919411 |
Process for producing polymer compound
A process for producing a polymer compound having a double bond in a side chain, wherein a functional group represented by the following formula (1) is subjected to an elimination reaction to form...
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6911512 |
Powder coating fluoropolymer compositions with aromatic materials
Provided is a composition comprising an aromatic material selected from a polythiol aromatic compound or resin, a hydroxythiophenol compound or resin, a catechol novolak resin, a catechol cresol...
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6884851 |
Polyolefins and process for manufacturing them
Process for producing polyolefins, comprising the following steps:
a) grafting of acid groups onto polyolefins by means of a graftable monomer bearing at least one functional group chosen...
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6825284 |
Method for preparing poly-α-hydroxyacrylate aqueous solution
A method for preparing a poly-α-hydroxyacrylate aqueous solution, which comprises reacting a polylactone compound corresponding to poly-α-hydroxyacrylic acid (hereinafter referred to as...
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6797785 |
Methods for synthesizing polyvinyl amine (PVA) type flocculating and coagulating agents, novel agents thus obtained, uses thereof and improved paper types thus obtained
The invention relates to a process of synthesis at low temperature of polymers of the PVA (polyvinylamine) type on the basis the monomer vinylformamide. The polymerization claimed for the invention...
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6777501 |
Stabilized fluorine-containing polymer and method for stabilizing fluorine containing polymer
To a fluorine-containing polymer, 0.1 to 10% of a compound comprising an alkali metal or an alkaline earth metal in terms of the number of atoms of the alkali metal or the alkaline earth metal...
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6730764 |
Concrete hardening retarder
A concrete retarder comprises a polymer (A) having the concrete set retarding ability. The polymer (A) has, as a structural unit, a low glass transition temperature (Tg) component with a Tg of not...
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6683143 |
Ion-sensitive, water-dispersible polymers, a method of making same and items using same
The present invention is directed to ion-sensitive, water-dispersible polymers. The present invention is also directed to a method of making ion-sensitive, water-dispersible polymers and their...
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6680082 |
Mixed-metal-neutralized-copolymer-resins for metal coating powder applications
The present invention relates to neutralized copolymer resins having at least two different metals with one of the metals being zinc. These mixed metal resins are transformed into particulate or...
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6670426 |
Olefinic thermoplastic elastomer, process for production thereof, olefinic thermoplastic elastomer compositions, process for producing the same, and moldings thereof
An olefin thermoplastic elastomer containing an olefin random copolymer formed by copolymerizing ethylene, an α-olefin having 3 to 10 carbon atoms and an unsaturated monomer having a functional...
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6667377 |
Polyvinylidene fluoride ionomers containing pendant fluoroalkylsulfonyl imide or fluoroalkylsulfonyl methide groups
This invention concerns ionomers comprising monomer units of vinylidene fluoride and monomer units of perfluorovinyl ethers having pendant groups containing fluoroalkyl sulfonyl methide or...
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6617390 |
Method of making synthetic hydrophilic polymers and products resulting therefrom
The present invention involves a method of making a multiblock copolymer containing two or more types of sequences of derivatives of acrylic acid with at least one derivative being acrylic acid...
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6590040 |
Process for the continuous production of superabsorbent polymers from PAN emulsions
A process for producing a superabsorbent polymer is described. The process that entails a continuous hydrolysis of an aqueous emulsion of crosslinked or uncrosslinked polyacrylonitrile in the form...
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6586532 |
Polyolefins and method for the production thereof
Process for producing polyolefins, comprising the following steps: a) grafting of acid groups onto polyolefins by means of a graftable monomer bearing at least one functional group chosen from a...
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6559227 |
Process for producing vinylamine-vinyl alcohol copolymer and use of the copolymer
Disclosed is a process for producing a powdered water-soluble polymer comprising hydrolyzing a copolymer comprising an N-vinylamide unit and a vinyl acetate unit while dispersed in water under a...
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6541573 |
Method for eliminating formamide from polymerizates containing n-vinyl formamide units
A process for the elimination of formamide from polymers containing N-vinylformamide units involves treating formamide-containing polymers with from 1 to 2 mol-equivalents of an acid or a base,...
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6384150 |
Anionic polymerization initiators for preparing macro-branched diene rubbers
Novel solid supported anionic polymerization initiators that are multiply metalated with Group IA alkali metal atoms are provided and employed to produce extremely high molecular weight branched...
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6359058 |
Dispersants for emulsion paints
A pigment dispersant, for instance for incorporation in an emulsion paint containing non-reactive or reactive pigment, is a water-soluble copolymer of monomer units derived from two or more...
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6329471 |
Process for producing carboxyl group-containing vinylidene fluoride copolymer
A carboxyl group-containing fluorine copolymer is produced safely at a low cost by treating a vinylidene fluoride copolymer with a base and a peroxide, preferably in the presence of a...
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6251213 |
Laminating construction adhesive compositions with improved performance
Aqueous laminating construction adhesive compositions incorporating a one-part adhesive copolymer, the copolymer being a vinyl ester/acrylic copolymer containing from about 0.1% to about 20%, by...
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6221971 |
Process for curing elastomeric vinylidene fluoride copolymers
Elastomeric vinylidene fluoride-containing copolymers are cured by a sequential process. In a first step, gum fluoroelastomer is mixed at a temperature of 150° C.-250° C. in the presence of an...
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6156848 |
Pre-formed super absorbers with high swelling capacity
Super-absorbent polymer in the form of pre-formed spherical particles obtainable by alkaline hydrolysis of aqueous emulsions of crosslinked and/or un-crosslinked homopolymers and/or copolymers of...
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6133381 |
Brominated polystyrenic flame retardants
This invention relates to a thermally stable brominated polystyrene composition which contains alkali metal base (e.g., NaOH) in an amount less than about 1 wt % such that if the flame retardant is...
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5998546 |
Resinous composition with permanent anti-static properties
An anti-static resinous composition with permanent anti-static property is provided. The anti-static resinous composition comprises from 5 to 50 percent by weight of hydrophilic copolymer and from...
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5990238 |
Release coating for adhesive articles and method
A polymer includes an ethylene-containing backbone having substituents attached thereto, wherein the substituents include a urethane linked nitrogen-bonded hydrocarbon side chain having about 5...
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5959073 |
Method for preparing polymeric beads
A method of forming polymer beads comprising forming an aqueous solution comprising a cross-linkable water soluble polymer and a water-soluble crosslinking agent, adding said solution with mixing...
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5866670 |
Process for preparing polyacetal copolymer
A process for producing a polyacetal copolymer, which is extremely heat-stable and is extremely reduced in the quantity of unstable terminals even in a high polymerization yield in which trioxane...
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5837779 |
Process for producing ionomers employing ethylene terpolymers
A process for the production of an ionomers containing ethylenically-unsaturated structural units comprising contacting: (a) a terpolymer containing structural units produced from (i) at least...
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5792818 |
Process for hydrolyzing maleic anhydride copolymers
A catalytic process for the hydrolysis of alkyl vinyl ether/maleic anhydride copolymers, involving a base catalyst.
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5753779 |
Chromium-free coating preparation for the treatment of metal surfaces and method making use thereof
An aqueous chromium-free coating preparation for the protection of a metal substrate against corrosion and attack by moisture comprises an acrylic acid or derivative thereof as binder and also a...
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5739267 |
Process for isolation of isobutylene polymer
Processes for the isolation of a telechelic isobutylene polymer in a non-aqueous system to prevent the generation of waste water having a solvent dissolved therein and processes for the preparation...
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5703176 |
Polyacrylate thickener and method for making same
An improved polyacrylate thickener and a method for making same are provided. The polyacrylate thickener is made using a monomer blend containing ethyl acrylate. In one embodiment the ethyl...
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5635569 |
Superabsorbent polymers from cross-linked polyacrylonitrile emulsions
Superabsorbent polymers based on partly hydrolysed homopolymers and/or copolymers of acrylonitrile which are cross-linked through the incorporation of polyfunctional monomers, wherein 30 to 80...
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5631326 |
Crosslinked nitrogen-containing vinyl copolymers processes for their preparation and the use of these compounds
Crosslinked, nitrogen-containing vinyl copolymers having units of the formula I ##STR1## and physiologically tolerated salts thereof, in which, in formula I, A1, A2, R, w, x, y and z have the...
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5591806 |
High solids ethylene acrylic acid aqueous dispersions and methods of producing same
A uniquely treated bead of ethylene acrylic acid (EAA) capable of forming a high solids aqueous dispersion in excess of 38% solids wherein the EAA may be prepared by either batch or continuous...
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5583186 |
Process for the production of polybutene amines
The present invention provides a new and improved process for preparing a polybutene amine composition comprising the steps of reacting a chlorinated polybutene with an excess of at least one mole...
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5576396 |
Low-haze ionomers of copolymers of α-olefins, carboxylic acid esters, and optional comonomers, and processes for making and acidifying these ionomers
Ionomer compositions which have improved optical properties are disclosed. These compositions comprise ionomers which can be represented as the polymerization product of alpha-olefins having from...
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5571862 |
Stabilized polyacrylamide emulsions and methods of making same
Dispersions of polyacrylamide particles are formed and treated with a caustic material to hydrolyze the polymer to form anionic acrylamide polymers. A preferred technique for forming these products...
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5567779 |
Super-absorbent polymers
A process for the production of super-absorbent polymers with a swelling capacity in water-containing liquids of up to 1,000 g/g in which aqueous emulsions of particularly high molecular weight...
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5547911 |
Process of imprinting catalytically active particles on membrane
A membrane and electrode structure is formed by surface hydrolyzing an ion exchange membrane and then applying electrode ink of catalytically active particles on the surface of the membrane. The...
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5543472 |
Concurrent epoxidation and catalyst residue extraction
A process for the concurrent epoxidation of, and catalyst residue extraction from, anionically polymerized diene-containing polymers which have been hydrogenated using a Group VIII metal catalyst,...
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