Polymeric antioxidants prepared from diphenylamine and...

C - Chemistry – Metallurgy – 08 – K

Patent

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400/1100, 400/50

C08K 5/18 (2006.01) C08L 21/00 (2006.01)

Patent

CA 1213690

Abstract of the Disclosure POLYMERIC ANTIOXIDANTS PREPARED FROM DIPHENYLAMINE AND DIALKYLALKENYLBENZENE OR DIHYDROXYALKYLBENZENE A class of novel polymeric diphenylamine compounds are used to provide antioxidant protection to oxidizable polymers. In particular, the polymeric reaction products of diphenylamine and 1,4- diisopropenylbenzene are used in acrylonitrile- butadiene and styrene-butadiene rubbers to protect these rubbers in high temperature, oxidative working environments.

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