Reaction injection molded polyurethanes employing aliphatic amin

Details Reaction injection molded polyurethanes employing aliphatic amin Reaction injection molded polyurethanes employing aliphatic amin

1980-01-24

1981-05-26

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521163, 521167, 521176, C08G 1814

Patent

active

042699452

ABSTRACT:
Reaction injection molded polyurethanes are prepared employing a mixture of chain extenders, at least one of which is a hydroxyl-containing compound free of aliphatic amine hydrogen atoms such as, for example, ethylene glycol, or an aromatic amine hydrogen-containing compound which is free of aliphatic amine and at least one of which is an aliphatic amine-containing compound which contains at least one primary amine group such as an aminated polyoxypropylene glycol.

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