Catalysts for the curing of a water-curable isocyanate-functiona

Details Catalysts for the curing of a water-curable isocyanate-functiona Catalysts for the curing of a water-curable isocyanate-functiona

1985-10-04

1987-11-10

Kight, John

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...

523111, 502167, C08G 1808, B01J 3100, C08L 1500

Patent

active

047058404

ABSTRACT:
New catalysts useful in the curing of a water-curable isocyanate-functional prepolymer are provided. The new catalyst is a new 2,2'-dimorpholinyldialkyl ether. The use of the improved catalyst provides prepolymer/catalyst premix compositions having equivalent or increased shelf stability and which, when water-cured, yield resins having superior early strengths. A method of curing an isocyanate-functional prepolymer and articles useful as orthopedic bandages are also provided.

REFERENCES:
patent: 4376438 (1983-03-01), Straube et al.
patent: 4411262 (1983-10-01), von Bonin et al.
patent: 4433680 (1984-02-01), Yoon
patent: 4502479 (1985-03-01), Garwood et al.
patent: 4574793 (1986-03-01), Lee et al.
H. Igarishi, et al., "On the Synthesis and Pharmacology of Basic-sec,tert-Alcohol and Derivatives", Yakugaku Zasshi, 93, 554, 563-564 (1973).

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