Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-06-23
1994-06-07
Lipman, Bernard
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
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.
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patent: 3919143 (1975-11-01), Morris
patent: 5008345 (1991-04-01), Wolf
patent: 5079304 (1992-01-01), DeMarco
patent: 5081194 (1992-01-01), Wolf
Lipman Bernard
Zeon Chemicals U.S.A., Inc.
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