N,N'-alkenylene amine/mercaptotolylimidazole blends as high temp

Details N,N'-alkenylene amine/mercaptotolylimidazole blends as high temp N,N'-alkenylene amine/mercaptotolylimidazole blends as high temp

1992-08-21

1993-08-31

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524167, 524172, 524217, 524239, 524248, 524251, 524252, 524254, 524255, 524257, 524258, C08K 53465

Patent

active

052409767

ABSTRACT:
Elastomers are very effectively stabilized against thermal and oxidative degradation at elevated temperatures with a blend of an N,N,N',N'-tetrasubstituted 1,4-diamino-2-butene, where the substituents are alkyl, cycloalkyl, aralkyl, aryl or mixtures thereof, in combination with a mercaptoimidazole of formula IV ##STR1## where E is hydrogen, alkyl, cycloalkyl, aryl or phenylalkyl.

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patent: 3773833 (1973-11-01), Henrici et al.
patent: 4082706 (1978-04-01), Danielson
patent: 5151459 (1992-09-01), Babiarz et al.

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