High impact polyurethane

Details High impact polyurethane High impact polyurethane

1992-10-26

1994-10-04

Kight, III, John

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

Synthetic resins

From silicon reactant having at least one...

528 76, 528 80, 528 83, 528 85, 525453, C08G 1818, C08G 1832, C08G 1873

Patent

active

053527542

ABSTRACT:
A non-yellowing, impact resistant high hard segment polyurethane made from a non-aromatic diisocyanate, a diol chain extender and an aminodiol chain extender may also contain up to five percent by weight of a macroglycol. A catalyst free method to prepare the polyurethane is a feature of the invention.

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