Flame-retardant thermoplastic polymer compositions

Details Flame-retardant thermoplastic polymer compositions Flame-retardant thermoplastic polymer compositions

1973-05-04

1977-02-01

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 4595G, 260 4595C, C08K 559, C08K 541

Patent

active

040061183

ABSTRACT:
Highly durable flame-retardant thermoplastic polymer compositions contain thermoplastic polymer consisting of an ethylenically unsaturated monomer and from 0.1 to 20%, based on the weight of the thermoplastic polymer, of specific brominated alkoxydiphenyl sulfone derivative of the formula: ##STR1## WHEREIN A is a member selected from the group consisting of a hydrogen atom and allyl, propyl and 2,3-dihalogenopropyl groups, and X.sub.1, X.sub.2, X.sub.3 and X.sub.4 are members selected from the group consisting of chlorine and bromine atoms with at least two of them being bromine atoms.

REFERENCES:
patent: 3929901 (1975-12-01), Darsow

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