Thermoplastic polyesters prepared from bis(4-.beta.-hydroxyethox

Details Thermoplastic polyesters prepared from bis(4-.beta.-hydroxyethox Thermoplastic polyesters prepared from bis(4-.beta.-hydroxyethox

1978-12-13

1980-04-01

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

C08G 6366, C08G 6368

Patent

active

041962753

ABSTRACT:
Disclosed are new copolyesters of terephthalic acid, bis(4-.beta.-hydroxyethoxyphenyl)sulfone, ethylene glycol and a very small amount of trimellitic acid, particularly useful as molding compounds, especially for the extrusion-blow molding process of making hollow articles, and a method of making hollow articles.

REFERENCES:
patent: 2593411 (1952-04-01), Caldwell
patent: 2973339 (1961-02-01), Muenster et al.
patent: 3558557 (1971-01-01), Hrach et al.

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