Epoxy resin hardening agents from Mannich bases and method for c

Details Epoxy resin hardening agents from Mannich bases and method for c Epoxy resin hardening agents from Mannich bases and method for c

1979-12-03

1981-05-26

Nielsen, Earl A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 18EP, 260 19EP, 528 96, 528 98, 528 99, 525507, C08G 5950, C08G 5954

Patent

active

042697425

ABSTRACT:
Amine compounds, adaptable to use as a hardener for epoxy compounds, prepared by the reaction, with amine exchange and liberation of secondary amine, of a Mannich base and a member selected from the group consisting of aminoamides, aminoimidazolines, aminoamides containing an imidazoline group, and polyamines, said Mannich base being prepared by reacting formaldehyde, a monophenol or polyphenol, and a secondary amine are disclosed, as are a method of making epoxy polyadducts (i.e. cured epoxy resins) by the reaction of said amine hardener compounds with an epoxy compound and the epoxy polyadducts (i.e. cured epoxy resins) so prepared.

REFERENCES:
patent: 3002941 (1961-10-01), Peterson
patent: 3390124 (1968-06-01), Kittridge et al.
patent: 3870666 (1975-03-01), Becker
patent: 4129556 (1978-12-01), Zondler et al.

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