Flame retardant polystyrene and poly(para-methylstyrene) composi

Details Flame retardant polystyrene and poly(para-methylstyrene) composi Flame retardant polystyrene and poly(para-methylstyrene) composi

1982-12-30

1983-08-09

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

C08K 515

Patent

active

043979726

ABSTRACT:
Flame retarded compositions of styrene or para-methylstyrene polymers and containing octahalobiphthalyl, such as octabromobiphthalyl, and inorganic flame retardant, such as antimony trioxide.

REFERENCES:
patent: 4143084 (1979-03-01), Kaeding et al.
patent: 4242465 (1980-12-01), Canterino
patent: 4255531 (1981-03-01), Arbit
patent: 4260694 (1981-04-01), Schwab
patent: 4275179 (1981-06-01), Sherman
F. Ramirez et al., "New Reactions of Phosphite Esters: the Conversion of Phthalic Anhydride into Biphthalyl by Trialkyl Phosphites and into Phthalide-3-Phosphonates by Dialkyl Phosphites"--J. Am. Chem. Society, vol. 83, pp. 173-178 (Jan. 5, 1961).
Chemical Week, Feb. 17, 1982-pp. 44 and 45.

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