Polyisocyanate based upon 4,4'- and 2,4'-diphenylmethane diisocy

Details Polyisocyanate based upon 4,4'- and 2,4'-diphenylmethane diisocy Polyisocyanate based upon 4,4'- and 2,4'-diphenylmethane diisocy

1993-10-28

1994-09-27

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

528 67, 264 51, 2643281, 2643286, 2643288, 2521822, 25218221, 25218222, C08G 1810

Patent

active

053507789

ABSTRACT:
Novel liquid, room temperature polyisocyanate having isocyanate group contents of from 6 to 31% by weight, are prepared by reacting:

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