POLYESTER COMPOSITION AND POLYESTER MOLDED ARTICLE COMPRISING THE SAME

WIPO Patent Application WO/2007/142093

A1

A polyester composition comprising 99.9 to 80 wt% of a thermoplastic polyester containing an antimony compound and 0.1 to 20 wt% of a partially aromatic polyamide, wherein a 4 mm-thick molded plate formed by molding the thermoplastic polyester at 290˚C has a haze value of 10% or lower, the content of a phosphorus atom in the partially aromatic polyamide (P1), the content of the partially aromatic polyamide in the polyester composition (A) and the content of an antimony atom in the thermoplastic polyester (S) satisfy a specific formula, and a 4 mm-thick molded plate produced by molding the polyester composition at 290˚C has a haze value of 20% or lower. It becomes possible to provide a polyester composition which can be molded into a hollow molded article (e.g., a bottle) at a high productivity rate, which is not deteriorated in transparency or color, and which is excellent in flavor-conserving property, thermal stability and gas-barrier property. It becomes also possible to provide a polyester molded article comprising the polyester composition.

TOGAWA KEIICHIRO (JP)
NAKAYAMA SEIJI (JP)
MARUYAMA GAKU (JP)
AKITOMO YOSHIKO (JP)
MATSUI YOSHINAO (JP)
ETO YOSHITAKA (JP)

PCT/JP2007/060973

December 13, 2007

May 30, 2007

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TOYO BOSEKI (JP)
TOGAWA KEIICHIRO (JP)
NAKAYAMA SEIJI (JP)
MARUYAMA GAKU (JP)
AKITOMO YOSHIKO (JP)
MATSUI YOSHINAO (JP)
ETO YOSHITAKA (JP)

C08L67/02; B65D1/00; C08J5/00; C08L77/06

WO2003102079A1

2003-12-11

JP2003012907A

2003-01-15

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