Polymeric antioxidants prepared from diphenyalmine and dialkylal

Details Polymeric antioxidants prepared from diphenyalmine and dialkylal Polymeric antioxidants prepared from diphenyalmine and dialkylal

1983-01-26

1983-11-22

Pittoke, Veronica

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 518

Patent

active

044170173

ABSTRACT:
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 acrylonitrilebutadiene and styrene-butadiene rubbers to protect these rubbers in high temperature, oxidative working environments.

REFERENCES:
patent: 2200756 (1940-05-01), Messer et al.
patent: 3505225 (1970-04-01), Wheeler
patent: 3533992 (1970-10-01), Sundholm
patent: 3714257 (1973-01-01), Bayha et al.
patent: 3714258 (1973-01-01), Bayha et al.
patent: 3904578 (1975-09-01), Kawase et al.
patent: 3987004 (1976-10-01), Georgoudis
A. Fritz et al., "Synthesis of Arylene isopropylidene Polymers,"-J. Polymer Science, vol. 10, pp. 2365-2378 (1972).
Armianskii Khimicheskii Zhurnal 28(7), pp. 551-554 (1975).

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