Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Ion-exchange polymer or process of preparing
Patent
1994-02-09
1994-11-29
Nagumo, Mark
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Ion-exchange polymer or process of preparing
521 33, 525344, 525369, 5253293, C08F23620, C08F22044
Patent
active
053691326
ABSTRACT:
A method for producing an acrylonitrile crosslinked copolymer, which comprises copolymerizing, as polymerizable monomers, acrylonitrile, an alkyl ester of acrylic acid or methacrylic acid, an aliphatic or alicyclic crosslinkable unsaturated monomer having at least two allyl groups, and an aromatic crosslinkable polyunsaturated monomer, in the presence of from 10 to 45% by weight, based on the total amount of the polymerizable monomers, of an inert organic solvent having a specific gravity of at least 1.0.
REFERENCES:
patent: 3544488 (1970-12-01), Corte et al.
patent: 3674728 (1972-07-01), Carbonnel et al.
Patent Abstracts of Japan 7, 219 Sep. 29, 1983, "Cross-linked Rubberg Polymers" (JP 58-117,209A).
Ito Tsuyoshi
Sawada Shintaro
Watanabe Junya
Mitsubishi Kasei Corporation
Nagumo Mark
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