Combustion modified isocyanate useful for rim structural foams

Details Combustion modified isocyanate useful for rim structural foams Combustion modified isocyanate useful for rim structural foams

1987-05-14

1988-06-14

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

2521827, 264 51, 521906, C08G 1814

Patent

active

047512520

ABSTRACT:
Polyisocyanate addition products, particularly polyurethane foams having improved flame resistance are obtained by reacting a combustion modified isocyanate with an isocyanate reactive component containing an isocyanate reactive material, a phosphorus containing combustion modifier and a blowing agent. The combustion modified isocyanate is made up of an organic polyisocyanate and a brominated diphenylether.

REFERENCES:
patent: 3385867 (1968-05-01), Chang
patent: 4221874 (1980-09-01), Moedritzer
patent: 4287309 (1981-09-01), Cobbledick
patent: 4409341 (1983-10-01), Hira
patent: 4433071 (1984-02-01), Fesman

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