Thermoplastic polyester resin composition and molded article

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United States of America Patent

PATENT NO 11345780
APP PUB NO 20210032402A1
SERIAL NO

16608463

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A thermoplastic polyester resin composition includes a thermoplastic polyester resin (A), an epoxy compound (B) having an epoxy equivalent of from 200 to 3,000 g/eq, and a hydroxy group-containing resin (C) having a number average molecular weight of from 2,000 to 500,000 and a halogen element content of 1,000 ppm or less, wherein the epoxy compound (B) is blended in an amount of from 0.05 to 10 parts by weight with respect to 100 parts by weight in total of 70 to 99.9 parts by weight of the thermoplastic polyester resin (A) and 0.1 to 30 parts by weight of the hydroxy group-containing resin (C). The thermoplastic resin composition and a molded article achieve both long-term hydrolysis resistance and heat aging resistance at a high level, and can further suppress bleed-out to the surface of the molded article during heat-dry and heat-moisture treatments.

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Patent Owner(s)

  • TORAY INDUSTRIES INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Okunaga, Kenichi Nagoya, JP 3 19
Tojo, Yusuke Nagoya, JP 12 19
Umetsu, Hideyuki Nagoya, JP 34 337
Yokoe, Makito Nagoya, JP 14 66

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