Epoxy resin compositions containing disecondary aromatic amines

Details Epoxy resin compositions containing disecondary aromatic amines Epoxy resin compositions containing disecondary aromatic amines

1991-06-03

1993-04-06

Bleutge, John C.

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

Synthetic resins

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

525481, 528 97, 528 98, 528 99, 528109, 528124, C08G 5950

Patent

active

052004759

ABSTRACT:
A lightly-crosslinked thermosettable formulation comprises (a) a diepoxy resin, (b) an aromatic diamine of the structural formula ##STR1## in which each R is a divalent linking moiety selected from C.sub.1-6 alkylene, --S-- and --O--, and R' is ethyl, (c) an amine or phenolic crosslinking agent, and (d) 2,6-dialkyl aniline. The formulation exhibits relatively long outlife and can be used as the matrix resin in aerospace composites applications.

REFERENCES:
patent: 4855386 (1989-08-01), Bauer
patent: 4861810 (1989-08-01), Dewhirst
patent: 4912179 (1990-03-01), Murakami et al.
patent: 4983672 (1991-01-01), Almer et al.

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