| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a bottle made of polyester resin which is excellent in formability even when a stretch ratio is high, does not cause whitening due to excessive stretching and has superior heat resistance. <P>SOLUTION: The bottle made of polyester resin having at least a mouth part, a barrel part and a bottom part is characterized in that the crystallinity is in the range of 28 to 42% on a position having the maximum width of the barrel part and the heat shrinkage according to TMA measurement is less than 50μm. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
