Polyurethanes prepared by reaction of organic polyisocyanate wit

Details Polyurethanes prepared by reaction of organic polyisocyanate wit Polyurethanes prepared by reaction of organic polyisocyanate wit

1974-05-24

1976-10-26

Welsh, M. J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AR, C08G 1838

Patent

active

039883027

ABSTRACT:
Brominated ester-containing polyether polyols are prepared by the sequential reaction of a polyether polyol with 4,5-dibromohexahydrophthalic anhydride or its corresponding diacid and an alkylene oxide. The resulting polyols are particularly useful in the preparation of flame-retardant polyurethane foams.

REFERENCES:
patent: 3391092 (1968-07-01), Wonsley et al.

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