Curing system for polyacrylate rubbers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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Details

5253299, 5253305, 525374, 525377, 525379, C08F 842

Patent

active

053190360

ABSTRACT:
Compositions containing polyacrylate rubbers having dual curing sites are cured using an improved curing system comprising an alkali metal of a long chain carboxylic acid, a tertiary amine having a two methyl groups and a longer chain alkyl group, and a disubstituted urea. The compositions are shelf stable, have a high degree of scorch safety and cure rapidly at curing temperatures without adversely affecting the compression set of the cured article.

REFERENCES:
patent: 3875092 (1975-04-01), Morris
patent: 3910866 (1975-10-01), Morris
patent: 3912672 (1975-10-01), Morris et al.
patent: 3919143 (1975-11-01), Morris
patent: 5008345 (1991-04-01), Wolf
patent: 5079304 (1992-01-01), DeMarco
patent: 5081194 (1992-01-01), Wolf

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