Compounds useful as stabilising agents for rubber vulcanisates

Details Compounds useful as stabilising agents for rubber vulcanisates Compounds useful as stabilising agents for rubber vulcanisates

C - Chemistry, Metallurgy

08

J

400/1117, 6/128,

C08J 3/24 (2006.01) C07D 231/18 (2006.01) C07D 231/28 (2006.01) C08K 5/37 (2006.01) C08K 5/372 (2006.01)

Patent

CA 1225649

24-51-6462A CN COMPOUNDS USEFUL AS STABILISING AGENTS FOR RUBBER VULCANISATES ABSTRACT Additives for rubber compositions, giving vulcanisates having improved retention of optimum physical properties, are compounds having the formula R-S-B-S-R where B is an organic bridging group and R is an electron-withdrawing group, for example CN, CCl3, a radical containing an activated methylene group linked to the sulphur atom or the enolic tautomer of a keto-activated methylene group. Also useful as stabilising agents are oligomeric analogues of such compounds.

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