Flame-retardant polymer composition

Details Flame-retardant polymer composition Flame-retardant polymer composition

1972-08-18

1978-11-28

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106 15FP, 260 457R, 260648C, 260648R, C08K 506, C08K 502

Patent

active

041275594

ABSTRACT:
A normally flammable organic polymer is rendered flame retardant by the incorporation of a compound corresponding to the formula: ##STR1## wherein X is chloro or bromo, Q is halo, hydrogen, or a hydrocarbyl or hydrocarbyloxy group, and Z is a divalent saturated polybromocycloalkylene group containing 5-16 carbon atoms and 2-6 bromine atoms. Such flame retardants include, e.g., 5,6-dibromo-1,10,11,12,13,13-hexachlorotricyclo[8.2.1.0.sup.2,9 ]tridecene-11, i.e., the dibrominated 1:1 Diels-Alder adduct of hexachlorocyclopentadiene and cyclooctadiene-1,5. If desired, the flame retardant may be employed in conjunction with a synergist, such as antimony trioxide.

REFERENCES:
patent: 2741641 (1956-04-01), Kleiman
patent: 3025329 (1962-03-01), Gleason
patent: 3050567 (1962-08-01), Schmerling
patent: 3222249 (1965-12-01), Koremura et al.
patent: 3365505 (1968-01-01), Norell
patent: 3396201 (1968-08-01), Weil et al.
patent: 3403036 (1968-09-01), Hindersinn et al.
patent: 3410916 (1968-11-01), Bruson et al.
patent: 3697607 (1972-10-01), Cardenas et al.

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