Bromine and phosphorus containing polyester

Details Bromine and phosphorus containing polyester Bromine and phosphorus containing polyester

1976-12-15

1978-05-02

Lee, Lester L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 47C, 260 75P, 2606065P, C08G 6318, C08G 6368

Patent

active

040874087

ABSTRACT:
Polyesters containing bromine and phosphorus are provided by the copolymerization of a ternary system based upon an alcoholic component and an acidic component. The third component is a bromo bisphenol alkyl or aryl phosphine oxide ##STR1## The hydroxyl groups are present in either the para or meta positions, m plus n is from 1 to 8, preferably 1 to 4 and R is an alkyl radical of 1-10 carbon atoms, or an aryl radical of 6-10 carbon atoms. The polyesters which are obtained have flame retardant properties.

REFERENCES:
patent: 3376258 (1968-04-01), Gysling et al.
patent: 3928283 (1975-12-01), Masai et al.
patent: 3993623 (1976-11-01), Moedritzer et al.

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