Chlorosulfonated ethylene. .alpha.-olefin copolymer composition containing hydrotalcite
AssigneeTosoh Corporation
InventorsTatsushi Nakagawa, Yoshiaki Ishida, Junichiro Kanesaka, Yosuke Kaneshige
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Abstract
A chlorosulfonated ethylene..alpha.-olefin copolymer composition is disclosed, comprising (a) 100 parts by weight of a chlorosulfonated ethylene..alpha.-olefin copolymer containing from 25 to 32% by weight chlorine and from 0.3 to 2.5% by weight sulfur, (b) from 10 to 35 parts by weight of a hydrotalcite, (c) from 0.5 to 5 parts by weight of a thiuram, and (d) from 0.5 to 5 parts by weight of a maleimide. The chlorosulfonated ethylene..alpha.-olefin copolymer of the invention provides vulcanized products having excellent heat resistance, cold resistance and water resistance.
Claims5
A chlorosulfonated ethylene..alpha.-olefin copolymer composition comprising
- (a) 100 parts by weight of a chlorosulfonated ethylene..alpha.-olefin copolymer containing from 25 to 32% by weight chlorine and from 0.3 to 2.5% by weight sulfur,
- (b) from 10 to 35 parts by weight of a hydrotalcite,
- (c) from 0.5 to 5 parts by weight of a thiuram, and
- (d) from 0.5 to 5 parts by weight of a maleimide.
Dependencies are inferred from the claim text.