Improved polymer composition and process for producing...

Details Improved polymer composition and process for producing... Improved polymer composition and process for producing...

C - Chemistry, Metallurgy

08

J

C08J 3/24 (2006.01) C08K 3/00 (2006.01) C08K 3/26 (2006.01) C08K 3/32 (2006.01) C08K 5/098 (2006.01) C08L 7/00 (2006.01) C08L 21/00 (2006.01) C08L 79/08 (2006.01)

Patent

CA 2281274

A polymer composition useful to produce a vulcanizate having improved hot air aging properties is described. The polymer composition includes two components. The first component is a polymer having a main polymer chain derived from: (i) at least about 30% by weight of a first monomer which introduces at least one of a secondary carbon and a tertiary carbon to the backbone, and (ii) from 0 to about 70 % by weight of at least one other monomer. The second component is a salt of a strong base and a weak acid, the salt comprising a metal selected from Group I of the Periodic Table of Elements. The polymer compositions may further comprise optional ingredients such as one or more of: a vulcanization system, a polycarbodiimide and a filler.

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