Mannich condensates as epoxy curing agents

Details Mannich condensates as epoxy curing agents Mannich condensates as epoxy curing agents

1986-10-02

1988-04-05

Nielsen, Earl

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528117, 528407, C08G 5950

Patent

active

047360119

ABSTRACT:
Mannich condensates prepared from an imidazole, formaldehyde and a polyalkylene polyamine are useful as curing agents for epoxy resins.
Preferably, a diamine is reacted with the imidazole and formaldehyde, as illustrated by the following formula: ##STR1## wherein: R represents hydrogen or a C.sub.1 -C.sub.4 alkyl group;

REFERENCES:
patent: 4190719 (1980-02-01), Samejima et al.
patent: 4417610 (1983-11-01), Shimp
patent: 4420605 (1983-12-01), Kaufman
patent: 4487914 (1984-12-01), Barton
patent: 4578412 (1986-03-01), Sellstrom et al.
patent: 4581422 (1986-04-01), Speranza et al.
House, H., Modern Synthetic Reactions, 2nd Ed., Benjamin/Cummings, Menlo Park, Calif., 1972, p. 658.

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