Multi-component copolymer rubber, a process for producing the sa

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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5262926, 5262929, 526293, 525217, 525208, C08F 2034

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active

046250050

ABSTRACT:
A multi-component copolymer rubber consisting essentially of (A) 20 to 69.5% by weight of a cyano-substituted alkyl (meth)acrylate, (B) 30 to 79.5% by weight of an alkyl acrylate, (C) 0.5 to 10% by weight of a crosslinkable monomer and (D) 0 to 10% by weight of other ethylenically unsaturated monomer copolymerizable with (A), (B) and (C), excels in heat resistance, ozone resistance, sour gasoline resistance and sour gasohol resistance. These properties of said multi-component copolymer rubber can further be improved by incorporating into the copolymer rubber a crosslinking agent, a metal salt, a vinylidene fluoride polymer, a vinyl chloride resin or other multi-component copolymer rubber.

REFERENCES:
patent: 3397193 (1968-08-01), Aloia
patent: 3445403 (1969-05-01), Tucker
patent: 4237258 (1980-12-01), Cantalupo
patent: 4333963 (1982-06-01), Emmons
patent: 4360540 (1982-11-01), Chong
patent: 4490515 (1984-12-01), Mariotti

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