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4495243 |
Release agent and product
A release agent comprising (A) a polymer of at least one vinyl monomer of the general formula CH 2 CR 1 COO(CH 2 CHR 2 O) n CONHR (I) wherein R 1 and R 2 , independently from each other,...
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4478990 |
Room temperature curing elastic composition
A room temperature curing elastic composition useful as a sealing material which comprises as a main component a polymer produced from (a) at least one acrylic ester monomer of the formula: CH...
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4438246 |
4-Vinyl-2-methylene butanedioic acid compounds
4-Vinyl-2-methylenebutanedioic acid and its esters, as well as amide and nitrile analogs of these compounds, are diclosed. These compounds are capable of undergoing a rapid free radical...
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4423141 |
Carboxy-ester lactone polymer neutralizing-timing layer for color transfer assemblages
Photographic assemblages, elements, receiving elements and cover sheets are described employing a single neutralizing-timing layer consisting essentially of a carboxy-ester-lactone polymer having...
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4420599 |
Process of producing copolymers of an aromatic vinyl monomer and maleic anhydride
A process of producing a copolymer of aromatic vinyl compound and maleic anhydride by adding half-ester maleate in two or more steps to the aromatic vinyl compound to perform the copolymerization...
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4417040 |
Anaerobically curable sealing composition
An anaerobically curable sealing composition comprising a polymerizable monomer (A) consisting of an acrylic ester or a methacrylic ester, and...
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4417037 |
Vinyl acylanhydrocitrates and their preparation
A vinyl acylanhydrocitrate of the formula ##STR1## in which R denotes hydrogen or lower alkyl is disclosed. The vinyl acylanhydrocitrates can be prepared by initially contacting citric acid with a...
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4412051 |
Bromine-containing polymer and process of preparing a bromine-containing polymer
Fire-resistant copolymers of bromostyrene and another monomer, preferably acrylonitrile, are made by emulsion polymerization to produce copolymers having 95 to 25 weight percent bromostyrene, the...
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4408029 |
Polymer prepared from octadienol and unsaturated dicarboxylic acid, process of preparing the same, and coating composition prepared therefrom
The present invention provides a relatively low molecular weight polymer comprising units derived from an unsaturated dicarboxylic acid and units derived from octadienol. The polymer exhibits a...
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4405770 |
Novel polyimides, and polyamic acid and ester intermediates thereof
Novel polyimides, optionally end-capped with polymerizable or inert groups, and the polyamic acid or ester intermediates thereof are prepared by reacting a tetracarboxylic acid compound (e.g....
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4404044 |
Method of quenching
Aqueous quenching baths containing as an essential constituent a water-soluble salt of a copolymer of maleic, citraconic, or itaconic anhydride and a long chain alpha olefin are useful in quenching...
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4404319 |
Thermosetting molding compositions
Curable liquid compositions are described which comprise a thermosetting resin with an acid number of about 40 or greater and an initiator selected from peroxyketals, ketone peroxides, and alkyl...
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4390672 |
Maleic acid anhydride copolymers and their preparation
Maleic acid anhydride copolymers, especially those with (meth)acrylic acid or their derivatives, are advantageously produced by radical polymerization in the maleic acid anhydride melt.
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4388451 |
Polymers derived from allylphenol or substituted allylphenol and maleic anhydride
A copolymer formed by reacting maleic anhydride or a maleimide or a mixture of these with an allylphenol, a methallylphenol, or substituted allyl or methallylphenol. The anhydride polymers are...
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4387191 |
Heat stabilized polymers
The tendency to crosslink of polymer compositions comprising polymer units derived from acrylonitrile and maleic anhydride is controlled by the use of an acid ester of a phosphorus acid.
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4387186 |
Water swellable polymers
Water swellable monovalent alkali metal salt of crosslinked interpolymer of maleic anhydride, monovinyl alkyl ether and 1-5 mole percent crosslinking agent comprising divinyl ether of aliphatic diol.
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4374235 |
Anhydride containing polymers derived from alkenyl succinic anhydride
A novel polymer comprising the reaction product of a first vinyl monomer and a second vinyl monomer which is an alkenyl succinic anhydride having the formula: ##STR1## These polymers are useful as...
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4373036 |
Denture fixative composition
A denture fixative composition contains a dentally acceptable excipient and an effective fixative amount of a fixative mixture comprising hydroxypropyl cellulose and at least one partially...
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4370454 |
Preparation of maleic anhydride copolymers
Maleic anhydride copolymer powders are prepared by a process wherein a solution or dispersion of maleic anhydride in an alkyl vinyl ether and/or an alkene, containing from 3 to 25 moles of the...
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4366294 |
Water swellable compositions
Water swellable reaction product of monobasic amine and crosslinked interpolymer of maleic anhydride, monovinyl alkyl ether and 1-5 mole percent crosslinking agent comprising divinyl ether of...
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4359564 |
Addition polymer of oligomeric polyesters of acrylic acid
Disclosed are homopolymers and copolymers of a monomer or a mixture of monomers having the formula ##STR1## in which the average value of n (n) is in the range from greater than 1 to about 10,...
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4357453 |
Photocurable polymers obtained from succinylosuccinic acid and maleic acid derivatives, processes for the preparation of the polymers, and use of the polymers
Novel photo-crosslinkable polymers are obtained by reacting, and polycondensing, bis-(hydroxyalkyl) succinylosuccinates or bis-(hydroxycycloalkyl) succinylosuccinates with maleic anhydride,...
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4346204 |
Copolymers containing hydroxyl groups, method of production and their application in sizing of paper
A copolymer derived from maleic anhydride and dicyclopentadiene, containing hydroxyl groups, having the formula: ##STR1## wherein R and R' may be the same or different, selected from the group...
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4338239 |
Polyacrylate thickening agents
This invention provides a novel polyacrylate thickening agent which is composed of monomers comprising (1) (meth)acrylic acid, (2) glyceryl allyl ether derivative, and optionally (3) one or more...
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4326051 |
Acrylonitrile polymerization with organic solvent
The invention relates to a homopolymer or copolymer of acrylonitrile which comprises from 0 to 30% by weight, incorporated by polymerization, of comonomer units which are free from ionic groups,...
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4316835 |
Polyester resin compositions
This invention involves a curable liquid mixture comprising (a) a polyester of the following formula: ##STR1## wherein n has an average value between about 1.5 and about 2, m is 2-n, R is the...
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4315089 |
Polymers containing aromatic aldehyde groups
Abstract of the disclosure: Novel polymers which have K values of from 20 to 140 and which contain structural units of the general formula --CH 2 --C(R 1 A)-- where R 1 is H or CH 3 and A is...
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4312726 |
Semi-telechelic olefinically-unsaturated organic polymers
Organic polymer compounds having semi-telechelic olefinic unsaturation, which correspond to the general formula: ##STR1## in which V is the radical of an organic compound containing at least one...
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4303764 |
Pigment dispersants for coating compositions
Pigment dispersants for use in coating compositions wherein the dispersant is the polymerization product of (i) an alkyl methacrylate having from 3 to 8 carbon atoms in the alkyl group, (ii) a...
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4289678 |
Acrylic thickener for publication gravure inks, method of preparing said thickener, ink containing the same and method of printing
A thickened organic solvent based system, particularly an aliphatic hydrocarbon-based liquid composition, such as an ink, the polymeric thickener therefor, a method of making the thickener by...
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4284732 |
Halogen-containing unsaturated bis-esters and polymers and copolymers based on these esters
Halogen-containing bis-acrylates and bis-methacrylates corresponding to the formula ##STR1## in which R represents hydrogen or a methyl group and X represents chlorine and/or bromine, are provided...
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4260724 |
Preparation of polymaleic acids from maleic anhydride in the presence of acetic anhydride and of hydrogen peroxide
An improved process for the preparation of polymaleic acids having molecular weights of from 200 to 1,500, by polymerizing maleic anhydride in acetic anhydride in the presence of from 0.2 to 0.5...
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4260714 |
Acetamidoethylene copolymers
Copolymers of acetamidoethylene are disclosed. These materials have randomly distributed units represented by the formula ##STR1## wherein R is one or more radicals selected from the group ##STR2##...
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4252931 |
Polymers containing primary aliphatic carbonamide groups and/or N-methylol derivatives of the carbonamide groups
Copolymers according to the invention contain a new crosslinking system based on carbonamide and/or N-methylol carbonamide groups in the copolymer, the crosslinked polymers containing the following...
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4243784 |
Process for producing powdered copolymers of ethylenically unsaturated compound and maleic anhydride or an ester thereof
A powdered copolymer of an ethylenically unsaturated compound having a terminal double bond such as diisobutylene, styrene, an acrylate or an methacrylate and maleic anhydride or an ester thereof...
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4229559 |
Novel bis(half ester) and compositions containing the same
This invention is directed to a half ester characterized by the following empirical formula: ##STR1## wherein n is a number having an average value of 1.7 to 2, and m is equal to 2-n. Also...
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4228047 |
Starch compatible polyvinyl acetate latices
Aqueous coating compositions comprising latices containing a copolymer of vinyl acetate in the range of about 95-99.9% by weight and maleic anhydride in the range of about 0.1-5% by weight have...
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4223109 |
Calcium salts of divinyl ether--maleic anhydride copolymer
The calcium salts of the solid cyclic copolymers of divinyl ether and maleic anhydride, soluble in water, have been found to be as effective in treating tumors and viruses as the prior art alkali...
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4223120 |
Terpolymers of maleic anhydride and their use as scale control agents
Terpolymers of maleic anhydride, acrylamide or methacrylamide and a third monomer consisting of octene, styrene and the like. Copolymers of maleic anhydride and acrylamide or methacrylamide. Use of...
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4212788 |
Process for producing polymaleic anhydride
The invention relates to a process for making polymaleic anhydride by polymerizing maleic anhydride in a solvent mixture of xylene, the ortho isomer content of which is up to 99%, and a...
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4211730 |
Acrylate-based polymers and copolymers and their use as flameproofing agents
A polymer having as a component thereof a moiety corresponding to a monomer having the following formula ##STR1## wherein n=0 or 1, X is bromine, chlorine or a mixture thereof and R represents...
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4200720 |
Process for the preparation of low molecular weight anhydride interpolymers
Low molecular weight polymers of an unsaturated dicarboxylic anhydride monomer (e.g., maleic anhydride) and a copolymerizable monomer (e.g., styrene) are prepared by an improved process which...
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4188349 |
Process for curing unsaturated polyesters utilizing novel initiators
Poly- or vinyl-ester resin compositions containing ethylenic unsaturation and susceptible to free radical polymerization may be further polymerized by contacting the with an initiating compound...
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4178327 |
Ar-halo-ar(t-alkyl)styrenes and polymers thereof
Ar-halo-ar(t-alkyl)styrenes, e.g., 2-chloro-4-(t-butyl)styrene, polymerize to form materials having unusually high temperature resistance. Additionally, compositions of such monomers, unsaturated...
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4172177 |
Water insoluble hydrophilic polymer composition
A water-insoluble hydrophilic polymer composition capable of crosslinking at ambient temperature. The composition contains (A) a water-insoluble hydrophilic copolymer prepared by copolymerizing (a)...
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4162240 |
Process for production of novel polymer emulsion
A process for production of a polymer emulsion comprising polymerizing at least one partially esterified, imidated or amidated product of an adduct with a compound having a polymerizable...
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4151341 |
Novel polymers and polymeric salts
Novel low molecular weight interpolymers containing pendant lower alkyl capped poly(oxyethylene)ether groups are effective as aqueous dispersing agents for particulate matter and are particularly...
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4148988 |
Curable composition
A curable composition comprising an aromatic dibasic acid having an ethylenically unsaturated group, such as 4-methacryloxyethyltrimellitate, or an acid anhydride thereof, other ethylenically...
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4147852 |
High molecular weight polymers of phenylmaleic anhydride
Relatively large amounts of initiator and short reaction times produce high molecular weight copolymers of phenylmaleic anhydride with a monomer such as styrene whereas normally these conditions...
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4144157 |
Acrylic and methacrylic self-adhesive composition and radiation method of making same
A self-adhesive composition comprising a crosslinked copolymer of 0.01 to 5% by weight based on said composition of a compound taken from the class consisting of acrylic and...
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