| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a multilayer bottle which has superior inter-layer delamination resistance and gas barrier property. <P>SOLUTION: The multilayer bottle has a layer structure consisting of a thermoplastic polyester resin layer, an ethylene-acetic acid vinyl copolymer saponified material layer, and a thermoplastic polyester resin layer. The multilayer bottle is exposed to ionizing radiation of 1-50 kGy under a condition that the ethylene-acetic acid vinyl copolymer saponified material layer has a moisture content of 3-10 wt% andγ-rays are used as the ionizing radiation. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
