| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a biaxially oriented polyester film having low humidity expansion coefficient while including mechanical properties required for actual use in one film in-plane direction. <P>SOLUTION: An oriented film includes a resin composition, wherein the resin composition contains a resin A and a resin B in a weight ratio (resin A : resin B) of 4:6 to 9:1. The resin A includes polytrimethylene-2,6-naphthalenedicarboxylate; and the resin B includes one selected from a group comprising polyethylene terephthalate and polyethylene-2,6-naphthalenedicarboxylate. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
