Self-extinguishing polystyrene resin composition

Details Self-extinguishing polystyrene resin composition Self-extinguishing polystyrene resin composition

1974-09-06

1976-06-29

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 457P, C08J 320

Patent

active

039666778

ABSTRACT:
A polystyrene resin composition is prepared by adding to polystyrene resin, a mixture of (a) tricresyl phosphate and/or triphenyl phosphate and (b) a carbonate oligomer of 2,2-(4-4'-dihydroxy-3,3,',5,5'-tetrabromodiphenyl) propane which is terminated at its ends with a monofunctional phenol. These compounds are mixed with the oligomer in a selected mole ratio. The resin composition is self-extinguishing and possesses excellent thermal resistance, without diminution of the other original desireable properties of the resin.

REFERENCES:
patent: 3639506 (1972-02-01), Haaf
patent: 3688001 (1972-08-01), Exner et al.
patent: 3846469 (1974-11-01), Gunsher et al.
patent: 3855277 (1974-12-01), Fox
The Chemistry and Uses of Fire Retardants - by Lyons, 1970, pp. 320 to 328.

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