Flame-retardant polyurethane foam utilizing a phosphorus acid

Details Flame-retardant polyurethane foam utilizing a phosphorus acid Flame-retardant polyurethane foam utilizing a phosphorus acid

1990-01-02

1992-05-05

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521106, 521123, 521126, 521127, 521155, 521159, 252609, C08J 904, C08G 1824, C09K 2104

Patent

active

051108402

ABSTRACT:
Flame-retardant polyurethane foam is produced by mixing and reacting a polyol, a phosphorus acid and a compound containing two or more isocyanate radicals. The flame-retardant polyurethane foam may be used for cushioning, sound and thermal insulation, coating agent, molding agent, or as a cavity filler.

REFERENCES:
patent: 4291129 (1981-09-01), Kennedy
patent: 4317752 (1982-03-01), Blount
patent: 4374207 (1983-02-01), Stone et al.
patent: 4755547 (1988-07-01), Pawloski
patent: 4831062 (1989-05-01), Von Bonin

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