Method of preparing hollow articles from thermoplastic polyester

Details Method of preparing hollow articles from thermoplastic polyester Method of preparing hollow articles from thermoplastic polyester

1977-12-16

1980-02-12

Lee, Lester L.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

528173, B29C 506

Patent

active

041883578

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 method of making hollow articles.

REFERENCES:
patent: 3803275 (1974-04-01), Corsover
patent: 3814786 (1974-06-01), Gall et al.
patent: 4071503 (1978-01-01), Thomas et al.

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