Process for producing flexible polyurethane foam using hexahydro

Details Process for producing flexible polyurethane foam using hexahydro Process for producing flexible polyurethane foam using hexahydro

1988-11-07

1990-02-20

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

528 54, C08J 912

Patent

active

049027239

ABSTRACT:
Hexahydro-s-triazines, and in particular hexamethylenetetramine (HMT), can be used in high water (5.0 or more parts per hundred parts of polyol) flexible polyurethane foams formulations in place of conventional gellation catalysts to produce open celled molded foams with excellent surfaces and with cores free of discoloration.

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patent: 4275169 (1981-06-01), Rudner et al.
patent: 4722942 (1988-02-01), Nichols et al.

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