Title:
POLYESTER COMPOSITION AND PACKAGING MATERIAL COMPRISING THE SAME
Document Type and Number:
WIPO Patent Application WO/2003/102079
Kind Code:
A1
Abstract:
A polyester composition which comprises 100 parts by weight of a thermoplastic polyester and 0.1 to 50 parts by weight of a partially aromatic polyamide, wherein the polyester composition has an alkali metal atom content in the range of 0.1 to 300 ppm and preferably has a phosphorus atom content of 5 to 200 ppm, and further preferably provides a molded product having a Color-L value of 80.0 or more by the injection molding at 290 °C and a haze of 20 % or less; and a polyester packaging material comprising the polyester composition. The partially aromatic polyamide is preferably a polyamide containing a metaxylylene group. The polyester composition can provide a formed product being excellent in transparency, heat stability, fragrance holding property and gas barrier property.
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Inventors:
NAKAYAMA SEIJI (JP)
HARA ATSUSHI (JP)
NAKAI YASUKI (JP)
MARUYAMA GAKU (JP)
ETHO YOSHITAKA (JP)
HARA ATSUSHI (JP)
NAKAI YASUKI (JP)
MARUYAMA GAKU (JP)
ETHO YOSHITAKA (JP)
Application Number:
PCT/JP2003/006963
Publication Date:
December 11, 2003
Filing Date:
June 02, 2003
Export Citation:
Assignee:
TOYO BOSEKI (JP)
NAKAYAMA SEIJI (JP)
HARA ATSUSHI (JP)
NAKAI YASUKI (JP)
MARUYAMA GAKU (JP)
ETHO YOSHITAKA (JP)
NAKAYAMA SEIJI (JP)
HARA ATSUSHI (JP)
NAKAI YASUKI (JP)
MARUYAMA GAKU (JP)
ETHO YOSHITAKA (JP)
International Classes:
C08J5/00; C08L67/02; C08L77/06; C08K5/17; C08L77/00; (IPC1-7): C08L67/02
Domestic Patent References:
| WO1997015629A1 | 1997-05-01 |
Other References:
See also references of EP 1516892A4
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