Scorch inhibitors for carboxylated rubbers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524432, C08K 509

Patent

active

045201560

ABSTRACT:
Scorch (the premature cross-linking of an elastomer) is a problem that is often encountered in carboxylated rubbers. Salts of certain succinic acid derivatives can be used to greatly improve the scorch resistance of carboxylated rubbers. These salts can be distributed throughout a carboxylated rubber using any procedure that will result in a thorough mixing to form a rubber composition with improved scorch resistance.

REFERENCES:
patent: 4415690 (1983-11-01), Grimm

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