Sekisui Kagaku Kogyo Kabushiki Kaisha

Kabushiki Kaisha Sanko Kaihatsu Kagaku Kenkyusho

Toshio Uesaka

Toranosuke Saito

Kazuo Doyama

Akihiro Niki

Daishiro Kishimoto

Hiroki Tsunomachi

Makoto Yamaguchi

Makoto Ohsuga

A polyester is provided that comprises as main monomer components thereof a dicarboxylic acid and a diol, including a p-quaterphenyl derivative of specific formula. The use of appropriate kinds of dicarboxylic acid for the polyester makes it possible to obtain a thermoplastic elastomer or an engineering platic material (i.e., liquid-crystal polymer).

Polyester and an article made of the same

A polyester is provided that comprises as main monomer components thereof a dicarboxylic acid and a diol, including a p-quaterphenyl derivative of specific formula. The use of appropriate kinds of dicarboxylic acid for the polyester makes it possible to obtain a thermoplastic elastomer or an engineering plastic material (i.e., liquid-crystal polymer).

Polyester and an article made of the same comprising a p-quaterphenyl

An engineering plastic composition with excellent flowability, heat stability, and desirable mechanical properties is provided. The composition comprises an engineering plastic material and at least one p-quaterphenyl derivative of specific formula.

Engineering plastic composition and an article made of the same

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Tokuyama, Japan

Toshio Uesaka