| 摘要 |
PROBLEM TO BE SOLVED: To provide a release film which can highly suppress precipitation of oligomer to the surface of a polyester film, for instance, even after having been exposed to a high temperature, and prevents occurrence of various defects caused by oligomer.SOLUTION: A release film is a film in which an undercoat layer and a release layer are sequentially provided on at least one surface of a polyester film. The undercoat layer contains a resin having a styrene structure and a (meth)acrylic acid structure.SELECTED DRAWING: None |
