| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polyester composition excellent in transparency, thermal stability and flavor-retaining property, or excellent in transparency, thermal stability, flavor-retaining property and gas-barrier property, and further hardly generating the soil of a mold on molding, and a polyester packing material consisting of the same. <P>SOLUTION: This polyester composition consisting of 100 pts.wt. thermoplastic polyester and 0.1-50 pts.wt. polyamide containing meta-xylylene group is provided with that the phosphorus atom content (X) in the polyester composition satisfies formula: 5≤X≤250 ppm. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
