Diphenylmethane diisocyanate based polyisocyanates containing al

Details Diphenylmethane diisocyanate based polyisocyanates containing al Diphenylmethane diisocyanate based polyisocyanates containing al

1996-09-10

1998-01-06

Cooney, Jr., John M.

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 49, 560 25, 560 26, 560359, C08G 1880, C07C27318

Patent

active

057055939

ABSTRACT:
The present invention relates to polyisocyanates prepared from diphenylmethane diisocyanate wherein at least 95% of the isocyanate groups are blocked with diethyl malonate and wherein the polyisocyanates have, based on solids,

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