Flame-retardant polyurethane foam utilizing boric acid

Details Flame-retardant polyurethane foam utilizing boric acid Flame-retardant polyurethane foam utilizing boric acid

1989-11-16

1991-12-24

Kight, III, John

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521103, 521123, 521126, 521127, 521152, 521155, 521159, 252609, C08J 914, C08G 1802, C08G 7756, C09K 2102

Patent

active

050753436

ABSTRACT:
Flame retardant polyurethane foams are produced by mixing and reacting a polyol, a low molecular weight compound with 1 or more active hydrogen, an organic polyisocyanate and an acidic boron compound in the presence of an organo-metal urethane catalyst.
The flame-retardant polyurethane foam may be used for thermal and sound insulation, for cushioning and for molding useful objects.

REFERENCES:
patent: 4291129 (1981-09-01), Kennedy
patent: 4317752 (1982-03-01), Blount
patent: 4831062 (1989-06-01), von Bonin

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