High resiliency foam with improved load bearing ability by use o

Details High resiliency foam with improved load bearing ability by use o High resiliency foam with improved load bearing ability by use o

1975-12-18

1978-07-18

Ivy, C. Warren

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521137, 521904, 521163, C08G 1822, C08G 1863, C08G 1866

Patent

active

041014715

ABSTRACT:
The load-bearing characteristics of high resiliency polyurethane foams, as expressed by the loading required to obtain a 65% reduction in thickness, are significantly improved using as the gel catalyst certain diorganotin mercaptides or mercaptoesters.

REFERENCES:
patent: 3342757 (1967-09-01), Considine
patent: 3392153 (1968-07-01), Hostettler
patent: 3772222 (1973-11-01), Steward
patent: 3887505 (1975-06-01), Demou
patent: 3933692 (1976-01-01), Kushlefsky
patent: 3975317 (1976-08-01), Russo

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