Low temperature urethane curing agents

Details Low temperature urethane curing agents Low temperature urethane curing agents

1983-02-10

1984-06-05

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 45, 544168, 560 88, 560 89, 560103, 560106, 560110, 560112, 560115, 560157, 560158, 560162, 560165, 560166, C08G 1880

Patent

active

044529635

ABSTRACT:
There is herein provided a urethane-containing material having one or more moieties of the structure: ##STR1## wherein R is hydrogen, an alkyl, alkenyl or aryl group; wherein X is hydrogen, an alkyl, alkenyl or aryl group, or wherein X is a moiety of the structure: ##STR2## of which R.sub.1 and R.sub.2 are, each independently, hydrogen, an alkyl, alkenyl or aryl group, or members of a cyclic or heterocyclic group. The urethane-containing material is particularly useful as a low temperature curing agent for active hydrogen-containing compositions.

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U.S. Patent Application Ser. No. 409,273, filed Aug. 18, 1982, by Joseph T. Valko.

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