Composition of epoxy resin, amino group-containing phosphonium c

Details Composition of epoxy resin, amino group-containing phosphonium c Composition of epoxy resin, amino group-containing phosphonium c

1990-02-06

1991-01-01

Lieberman, Allan M.

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

Synthetic resins

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

525486, 525488, 525533, C08L 6302, C08L 6310

Patent

active

049819267

ABSTRACT:
The process of reacting an epoxy resin with a reactive hydrogen-containing compound or a carboxylic acid anhydride in the presence of a phosphonium catalyst is improved by employing a phosphonium compound having an amino substituent on the cation portion of the phosphonium compound as the catalyst. The invention also concerns precatalyzed epoxy resin compositions, curable compositions and cured compositions.

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