Fire retardant polyurethane foams

Details Fire retardant polyurethane foams Fire retardant polyurethane foams

1977-05-12

1979-03-20

Cockeram, H.S.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

427385C, 427373, 428425, 521126, 521167, 521906, C08G 1814, C08G 1848

Patent

active

041454880

ABSTRACT:
Disclosed are polyurethane foam compositions comprising the reaction product of an organic polyisocyanate, a first polyol comprising an oxyalkylated Mannich reaction product of a phenol, an aldehyde, and an alkanol amine, a second polyol comprising an oxyalkylated pentaerythritol, and a third polyol comprising an oxyalkylated tetrabromophthalic anhydride.

REFERENCES:
patent: 3091551 (1963-05-01), Robertson
patent: 3585185 (1971-06-01), Levis et al.
patent: 3795637 (1974-03-01), Kandler et al.
patent: 3943077 (1976-03-01), Bell et al.
patent: 3994839 (1976-11-01), Cenker et al.
Pluracol PeP Tetrols, Urethane Grade, PeP 450, 550, 650, BASF Wyandotte Corp., Wyandotte, Michigan, (Bulletin U-38), no date.
Pluracol FS-529 Polyol, BASF Wyandotte Corp., (Bulletin U-08), Dec. 30, 1970.
Product Data-Rigid Polyol-Thanol R-650-X, Jefferson Chemical Co., Houston, Texas, (1965).

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