Cycloaliphatic diamines as additives in high water, high resilie

Details Cycloaliphatic diamines as additives in high water, high resilie Cycloaliphatic diamines as additives in high water, high resilie

1990-03-26

1992-12-22

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521128, 521129, 521163, 521166, 521170, C08G 1814

Patent

active

051735164

ABSTRACT:
A high water, high resiliency polyurethane foam composition comprising polyisocyanate, conventional polyol, polymer polyol, diethanolamine, silicone surfactant, water and catalyst, the improvement which comprises a cycloaliphatic diamine of the following formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are independently hydrogen or a C.sub.1 -C.sub.4 alkyl group, and a catalyst composition consisting essentially of 0.05 to 0.3 parts gel catalyst and 0.075 to 0.5 parts acid-blocked blowing catalyst, per 100 parts polyol.

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