Copolyesters prepared from phosphorus compounds which can be sha

Details Copolyesters prepared from phosphorus compounds which can be sha Copolyesters prepared from phosphorus compounds which can be sha

1978-01-30

1980-07-01

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528168, 528169, 528173, 528287, C08G 6368

Patent

active

042107407

ABSTRACT:
The present invention relates to copolyesters having high flame resistance, and comprising essentially 85% to 99.5% of repeating units of the formula --CO--R--CO--O--R.sub.1 --O--, in which R is an aromatic radical, and R.sub.1 is a divalent aliphatic, cycloaliphatic or cyclanic radical, or a mixture of two or more of these radicals;

REFERENCES:
patent: 3853819 (1974-12-01), Herwig et al.
patent: 3962194 (1976-06-01), Bollert et al.
patent: 4046724 (1977-09-01), Kato et al.

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