Covulcanisable anti-ageing agents

Details Covulcanisable anti-ageing agents Covulcanisable anti-ageing agents

C - Chemistry, Metallurgy

07

C

C07C 323/30 (2006.01) C07C 323/17 (2006.01) C07C 323/25 (2006.01) C07C 323/60 (2006.01) C08J 3/24 (2006.01) C08K 5/18 (2006.01) C08K 5/36 (2006.01) C08K 5/375 (2006.01)

Patent

CA 2346746

This invention relates to covulcanisable anti-ageing agents which can be produced by the reaction of p-phenylenediamines, which are optionally substituted, and/or of sterically hindered phenols, with bifunctional alkyl, aryl and/or aralkyl compounds and by subsequent reaction of the products thus obtained with sulphur and/or sulphur donor compounds. The anti-ageing agents according to the invention maintain their efficacy over a long period of time and are distinguished in particular by the fact that in practice they are hardly extracted from the vulcanised products by water, by oil and/or petrol, or by hydraulic fluids.

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