C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
400/5504
C08G 18/58 (2006.01) C08G 18/10 (2006.01) C08G 18/83 (2006.01) C08G 59/02 (2006.01) C08G 59/10 (2006.01) C08G 59/28 (2006.01)
Patent
CA 1306567
ABSTRACT Novel epoxy-urethane resins are produced by the reaction of a urethane-alkanolamine adduct with an epoxy resin. The urethane-alkanolamine adduct is prepared by reacting a urethane prepolymer with a sterically hindered N-substituted ethanolamine such as t-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.
532679
Flynn Michael
Tosh Douglas
Mapei Inc.
Ridout & Maybee Llp
LandOfFree
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