Synergistic additive combination for guayule rubber stabilizatio

Details Synergistic additive combination for guayule rubber stabilizatio Synergistic additive combination for guayule rubber stabilizatio

1984-12-07

1986-02-04

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524254, 524259, 524925, 528930, 252403, 252401, C08K 532, C09K 1520

Patent

active

045687110

ABSTRACT:
Combinations of para-phenylene diamines and para di(nitroso) arenes act synergistically in guayule rubber-based compositions to protect them against oxidative degradation. A typically useful diamine is N-(1,3-dimethylbutyl)-N'-phenyl-phenyl-p-phenylene diamine and a useful arene is para-di(nitroso)benzene. Vulcanizable compositions, as well as articles made therefrom, are within the scope of the invention.

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