Elastomeric sol/gel blends

Details Elastomeric sol/gel blends Elastomeric sol/gel blends

1982-09-02

1985-05-28

Seccuro, Carman J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525190, 525259, C08L 1300, C08L 2334

Patent

active

045201692

ABSTRACT:
The processability of an uncured soft elastomer is improved by blending the elastomer under shear conditions with a terpolymer of ethylene with carbon monoxide and with a copolymerizable ethylenically unsaturated monomer in the presence of a crosslinking agent for polymer (T) which does not substantially cure elastomer (E). Gel resulting from crosslinking polymer (T) improves the properties of the blend as compared with the soft elastomer alone. When elastomer (E) and the crosslinking agent for polymer (T) risk undergoing a reaction which would result in substantially crosslinking elastomer (E), one may substitute another soft elastomer (E.sub.1) for elastomer (E) to avoid this undesirable result and then blend the resulting composition with elastomer (E).

REFERENCES:
patent: 3780140 (1973-12-01), Hammer
patent: 3873494 (1975-03-01), Lewis
patent: 4275180 (1981-06-01), Clarke
patent: 4275181 (1981-06-01), Hoh
Rubber World--"Materials and Compounding Ingredients for Rubber"--1975, p. 92.

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