Flame retardant internally cured polyurethane foam having improv

Details Flame retardant internally cured polyurethane foam having improv Flame retardant internally cured polyurethane foam having improv

1988-07-07

1990-10-16

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521107, 521163, 521164, 521168, 521169, C08J 900

Patent

active

049635930

ABSTRACT:
Flexible polyurethane foam prepared from foam forming compositions of a polyether polyol, an organic isocyanate compound, a blowing agent, and a curing agent of a melamine derivative in an amount effective to rapidly cure the resultant foam and improve the compression set properties of the foam, the amount of curing agent generally ranging from about 0.01 up to about 2 parts by weight based on 100 parts polyether polyol. Also, flame retardant polyether polyurethane foam prepared from foam forming components of a polyether polyol, an organic isocyanate compound, water, a liquid phosphorus ester in an amount of about 4 to 10 parts by weight and the curing agent in an amount of 0.4 to 2 parts by weight, each based on 100 parts by weight of the polyether polyol in the composition. The most preferred curing agent has the formula

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