Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
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.
Goeke Ulrich
Richter Michael
Nielsen Earl A.
Schering Aktiengesellschaft
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