Flame retardant for polymeric compositions

Details Flame retardant for polymeric compositions Flame retardant for polymeric compositions

1982-01-11

1983-09-13

Kight, III, John

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

Synthetic resins

From carboxylic acid or derivative thereof

524 94, 524411, 524412, 525180, 525435, 548451, 548461, C07D40312, C08G 7306

Patent

active

044043619

ABSTRACT:
An additive flame retardant bisimide containing halogen atoms and ammonium acid tetrahalophthalate, e.g. N,N'-bis(2-ethylene tetrabromophthalimide) ammonium acid tetrabromophthalate. These compounds are useful in a variety of polymeric compositions and demonstrate increased thermal stability. They also foam on decomposition with the evolution of gas thus readily lending themselves to the preparation of flame retardant coatings.

REFERENCES:
patent: 2330524 (1943-09-01), Shields
patent: 2596674 (1952-05-01), Gaudin
patent: 3455950 (1969-07-01), Cyba et al.
patent: 3574230 (1971-04-01), Cyba
patent: 3748340 (1973-07-01), Hayes et al.
patent: 3873567 (1975-03-01), Cyba
patent: 4001179 (1977-01-01), Richter et al.
patent: 4087441 (1978-05-01), Lee
patent: 4092345 (1978-05-01), Wolford et al.

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