| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyester film for vapor deposition excellent in vapor deposition workability and gas barrier properties. SOLUTION: This film is composed of a polyester A comprising a dicarboxylic acid component having terephthalic acid and isophthalic acid as the main components, and a glycol component having ethylene glycol as the main component, the polyester A having a 1,3-bis(2-hydroxyethoxy) benzene component in the range of 0.1-10 wt.%.
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