Polymer polyol and flame retardant polyurethane foams

Details Polymer polyol and flame retardant polyurethane foams Polymer polyol and flame retardant polyurethane foams

1987-06-08

1989-06-06

Kight, John

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525187, 526262, 528 75, 528 77, 528 76, C08K 506, C08L 7102, C08F 2240

Patent

active

048372633

ABSTRACT:
Polymer dispersion polyols made by the free radical polymerization of a monomer mixture of at least a maleimide monomer and a copolymerizable styrenic monomer in an organic polyl medium are disclosed. The resulting polymer polyols are suitable for use to prepare flame retardant polyurethanes.

REFERENCES:
patent: 3770697 (1973-11-01), Holub et al.
patent: 4357932 (1982-09-01), Street et al.
patent: 4388451 (1983-06-01), Culbertson et al.
patent: 4594366 (1986-06-01), Taylor et al.

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