Urea and biuret prepolymers of MDI

Details Urea and biuret prepolymers of MDI Urea and biuret prepolymers of MDI

1992-10-07

1993-05-18

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 59, 25218221, C08G 1810

Patent

active

052122751

ABSTRACT:
Disclosed herein is a liquid isocyanate prepolymer having an isocyanate group content of from 10 to 30% by weight, prepared by reacting:

REFERENCES:
patent: 3862973 (1975-01-01), Dietrich et al.
patent: 4618706 (1986-10-01), Scholl et al.

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