| 摘要 |
PROBLEM TO BE SOLVED: To prepare an easily adhesive polyester film excellent in adhesion to a functional layer mainly consisting of a water-soluble hydrophilic resin such as polyvinyl alcohol, polyacetal, nitrocellulose and polyoxyethylene. SOLUTION: This easily adhesive polyester film is produced by applying a water-dispersive or aqueous coating liquid comprising an acrylic resin having an amide group to the polyester film before completion of its crystal orientation and subsequently providing a coating layer obtained by drying, stretching and heat treatment.
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