Aromatic copolyester composition containing phosphorus compounds

Details Aromatic copolyester composition containing phosphorus compounds Aromatic copolyester composition containing phosphorus compounds

1977-10-28

1978-10-31

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

260 457P, 260860, 260873, 260DIG24, 528167, 528169, C08G 6368

Patent

active

041234200

ABSTRACT:
An aromatic copolyester composition comprising (A) an aromatic copolyester derived from terephthalic acid, isophthalic acid and a bisphenol and (B) a phosphorus-containing compound represented by the general formula (II) ##STR1## wherein n is 0 or an integer of 1 to 3, and R is an alkyl group containing 1 to 18 carbon atoms, in which one or more of the hydrogen atoms of the alkyl group may be replaced by a halogen atom or a hydrocarbon group.
Molded products obtained from the aromatic copolyester composition have markedly reduced coloration and reduced occurrence of water crazing.

REFERENCES:
patent: 3956431 (1976-05-01), Honig et al.
patent: 4028330 (1977-06-01), King
patent: 4035442 (1977-07-01), Dunworth

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