Mannich condensates

Details Mannich condensates Mannich condensates

1985-05-06

1987-05-12

Schwartz, Richard A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

544370, 548337, 548341, C07D23364

Patent

active

046651918

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: 3677978 (1972-07-01), Dowbenko et al.
patent: 3787458 (1974-01-01), Piasek et al.
House, H., Modern Synthetic Reactions, 2nd Ed., Benjamin/Cummings, Menlo Park, Calif., 1972, p. 658.

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