Polymers of benzene phosphorus oxydichloride and 4,4'-thiodiphen

Details Polymers of benzene phosphorus oxydichloride and 4,4'-thiodiphen Polymers of benzene phosphorus oxydichloride and 4,4'-thiodiphen

1975-09-15

1978-03-21

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 79, 260 47P, 260 2P, C08L 6702, C08L 8502

Patent

active

040804020

ABSTRACT:
Flame retardant polymers of benzene phosphorus oxydichloride and 4,4'-thiodiphenol are disclosed which are preferably formed by reacting these monomers in an inert organic solvent at ambient temperature in the presence of an amine acid acceptor. Also disclosed are polyester compositions containing such polymers as a flame retardant additive.

REFERENCES:
patent: 3719727 (1973-03-01), Masai et al.
Kovarskaya et al.; Chemical Abstracts, vol. 73 (1970), 26274z, "Stabilization of Polycarbonates."
Kirpichnikov et al.; Chemical Abstracts, vol. 75 (1971), 152489c, "Protection of Polymers by Phosphorous Acid Esters . . ."

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