Hardenable urethane-epoxy resin mixtures

Details Hardenable urethane-epoxy resin mixtures Hardenable urethane-epoxy resin mixtures

1982-12-15

1984-03-06

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...

528121, 528122, C08G 1880

Patent

active

044355580

ABSTRACT:
The method of hardening a glycidyl compound with a polyether urethane urea amino hardener is disclosed, said hardener being prepared by reacting (1) a blocked prepolymer prepared by reacting a phenolic compound with the reaction product of a polyether polyol with an excess of polyisocyanate, with (2) a polyfunctional amino compound.

REFERENCES:
patent: 3993708 (1976-11-01), Brinkmann et al.
patent: 4137276 (1979-01-01), Sirota
patent: 4328330 (1982-05-01), Wellner et al.

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