Reaction injection molded elastomer made from a quasi-prepolymer

Details Reaction injection molded elastomer made from a quasi-prepolymer Reaction injection molded elastomer made from a quasi-prepolymer

1986-11-06

1988-03-22

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521167, 528 60, 528 61, 528 68, 528 76, 528 77, C08G 1814

Patent

active

047329190

ABSTRACT:
This invention relates to a reaction injection molded elastomer made by reacting ingredients comprising a high molecular weight polyol or polyoxyalkylene polyamine, a chain extender and a quasi-prepolymer of a polyoxyalkylene polyamine and an aromatic isocyanate.

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