Polyurethaneurea elastomer

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...

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528 63, 528 70, 528 74, 528 75, 528 76, 528 79, 528 80, 528 83, 528 84, 528906, C08G 1846, C08G 1850, C08G 1876

Patent

active

054100097

ABSTRACT:
A polyurethaneurea elastomer obtained by reacting a polyisocyanate component obtained by reacting 1,5-naphthalene diisocyanate with a polyol, with an amine component consisting essentially of an amine compound of the formula (1): ##STR1## wherein R is a bivalent polyalkylene polyether or polyalkylene polyester having an average molecular weight of at least 200, which may contain unsaturated bonds in the polyalkylene.

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