Phase separating polyurethane prepolymers and elastomers prepare

Details Phase separating polyurethane prepolymers and elastomers prepare Phase separating polyurethane prepolymers and elastomers prepare

1984-05-29

1985-07-30

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...

4284231, 4284246, 528 60, 528 61, 528 63, 528 64, 528 65, 528 66, 528 67, 528 74, 528 75, 528 76, 528 77, 528 80, 528 83, C08G 1810

Patent

active

045323160

ABSTRACT:
Reactive, 100 percent solids, segmented, phase-separating polyurethane prepolymers are provided, being the reaction products of:

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patent: 4377645 (1983-03-01), Guthrie et al.
patent: 4381388 (1983-04-01), Naples

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