Flame-retardant polyurethane foam prepared by incorporating a gr

Details Flame-retardant polyurethane foam prepared by incorporating a gr Flame-retardant polyurethane foam prepared by incorporating a gr

1981-01-12

1982-06-08

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521107, 521108, 521114, 521123, 521131, 521137, 521174, 521176, C08G 1814

Patent

active

043340318

ABSTRACT:
In the preparation of conventional or high resiliency flexible polyurethane flame retarded foams by reacting organic polyisocyanates with polyols containing vinylic polymers and employing flame retardant compounds, less flame retardant compound is required to pass the California Bulletin No. 117 flame test when the particle size of the vinylic polymers is greater than 0.5 microns.

REFERENCES:
patent: 3875258 (1975-04-01), Patton et al.
patent: 4022718 (1977-05-01), Russo
patent: 4147847 (1979-04-01), Schweiger
patent: 4162353 (1979-07-01), Papa et al.
patent: 4258148 (1981-03-01), Chandalia et al.
patent: 4278770 (1981-07-01), Chandalia et al.

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