Thermoplastic polyesters, and method of making hollow...

C - Chemistry – Metallurgy – 08 – G

Patent

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402/189, 18/920

C08G 63/68 (2006.01) C08G 63/668 (2006.01) C08G 63/688 (2006.01)

Patent

CA 1147894

THERMOPLASTIC POLYESTERS, AND METHOD OF MAKING HOLLOW ARTICLES THEREFROM ABSTRACT OF THE INVENTION Disclosed are new copolyesters of terephthalic acid, bis(4-.beta.-hydroxyethyoxyphenyl)sulfone, ethylene glycol and a very small amount of a trifunctional cross-linking agent, particularly useful as molding compounds, especially for the extrusion-blow molding process of making hollow articles, and a method of making hollow articles.

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