National Distillers and Chemical Corporation

Steven D Blazey

John M Hoyt

A composition of matter is disclosed comprising a saturated elastomer having an active halogen-containing cure site, sulfur and a quaternary ammonium salt of a mineral acid. The invention also provides a process for vulcanizing the above composition.

Process for vulcanizing saturated elastomers with halogen cure sites

Sulfur vulcanization system for saturated elastomers having active

A composition of matter is disclosed comprising (1) a saturated elastomer having an active halogen-containing cure site, (2) a soap/sulfur cure system, and (3) a phase transfer compound. The phase transfer catalyst comprises a quaternary ammonium or phosphonium salt of a mineral acid or an alkylene oxide polymer. The phase transfer compounds accelerate soap/sulfur cures and make it possible to obtain acceptable cure rates with higher fatty acid soaps.

Phase transfer compounds as accelerators of soap/sulfur vulcanization

Sulfur vulcanizable partially hydrolyzed ethylene-vinyl acetate terpolymers and processes for producing these products are disclosed.

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Akron, OH, United States of America

Steven D Blazey