Flame retardant compositions

Details Flame retardant compositions Flame retardant compositions

1980-04-25

1981-07-14

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

260 457P, C08G 1814

Patent

active

042787718

ABSTRACT:
A novel flame retardant composition is provided wherein the major component is a triphosphate ester of the formula: ##STR1## wherein R represents an alkylene radical of from 2 to about 10 carbon atoms and the halosubstituted derivatives thereof, R' represents an alkylene radical of from 2 to 3 carbon atoms, X represents a halogen of chlorine or bromine, and n is an integer of from 1 to 5. In the preferred composition, R is ethylene or propylene and R' is ethylene, X is chlorine and n is 1. The compositions are less fugitive than the prior art diphosphate compositions yet easier to prepare than low volatility phosphates presently manufactured by polycondensation.

REFERENCES:
patent: 3013991 (1961-12-01), Fierce et al.
patent: 3210320 (1965-10-01), Huhn et al.
patent: 3883620 (1975-05-01), Turley
patent: 3968187 (1976-07-01), Morgan et al.
patent: 4056480 (1977-11-01), Herber

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