Flame retardant tetrabromophthalic acid esters useful in synthet

Details Flame retardant tetrabromophthalic acid esters useful in synthet Flame retardant tetrabromophthalic acid esters useful in synthet

1981-09-14

1983-03-15

Hoke, V. P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524288, 549267, 560 83, C08K 515, C07D 3200, C07C 6980, C08K 512

Patent

active

043768377

ABSTRACT:
Tetrabromophthalic acid esters of pentabromobenzyl alcohol with a softening temperature of 270.degree.-280.degree. C. and a bromine content of about 75% by weight and of a tetrakis(bromomethyl)-o-xylylene glycol with a softening temperature of 220.degree.-230.degree. C. and a bromine content of about 67% by weight are good flame retardants for synthetic resins.

REFERENCES:
patent: 3281456 (1966-10-01), Renckhoff et al.
patent: 3483247 (1969-12-01), Mills et al.
patent: 3635850 (1972-01-01), Birkner et al.
patent: 3658634 (1972-04-01), Yanagi et al.
patent: 3772342 (1973-11-01), Foley
patent: 3966676 (1976-06-01), Richter et al.
Meyers et al., Berichte, vol. 30, 780, (1897).

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