| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide high-quality polyester hollow moldings which excel in heat resistance, falling strength, transparency, and ultraviolet shielding properties and is particularly suitable as the container for beverages and foods. <P>SOLUTION: The polyester hollow moldings comprise (A) a polyester and (B) a polyimide, and have a number of≥10μm rough foreign substances of≤100/g and a total amount of metallic elements of 3-450 ppm. <P>COPYRIGHT: (C)2003,JPO</p> |
