Alkanolamine linked epoxy-urethanes

Details Alkanolamine linked epoxy-urethanes Alkanolamine linked epoxy-urethanes

1984-08-31

1985-05-28

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 73, C08G 1832

Patent

active

045201854

ABSTRACT:
Novel epoxy-urethane resins are produced by the reaction of an epoxy-alkanolamine adduct and a urethane prepolymer. The epoxy-alkanolamine adduct is prepared by reacting a liquid resin with an N-substituted ethanolamine such as isopropyl ethanolamine and tertiary butyl ethanolamine. The epoxy-urethane resin can be cured using ordinary epoxy curing agents for application as waterproofing membranes, joint sealants and adhesives. Two-part resin systems comprising epoxy-urethane resins of the invention as the first part and an appropriate curing agent as the second part avoid disadvantages characteristic of resin mixtures that rely on urethane cure chemistry.

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patent: 4143009 (1979-03-01), Dewey
patent: 4267288 (1981-05-01), Burkhart
patent: 4282123 (1981-08-01), Ilaria

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