Vulcanizable compositions of nitrile 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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524 83, 524280, 524128, 524495, 524451, 524492, 524449, C08K 5109

Patent

active

055809162

ABSTRACT:
A description follows of vulcanizable compositions of nitrile rubbers containing a plasticizer, a vulcanizing agent and normal additives, wherein the plasticizer is an organic carbonate selected from those which can be defined with the formula (I): ##STR1## or with the formula (II): ##STR2## wherein R, R.sup.1, R.sup.2, X and n are as defined in the description.

REFERENCES:
patent: 2758975 (1956-08-01), Cottle et al.
patent: 4131731 (1978-12-01), Lai et al.
patent: 4146522 (1979-03-01), Heckles
patent: 4599370 (1986-07-01), Grossman et al.
patent: 5219979 (1993-06-01), Greco

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