RELEASE FILM AND METHOD OF USING RELEASE FILM

摘要

PROBLEM TO BE SOLVED: To provide a release film which prevents a functional group of a material constituting the release surface of a release film and a material constituting the surface of an object to be provided with the release film from reacting with each other to cause interaction upon performing hot pressing and thereby provides a molding of good quality.SOLUTION: A release film 10 includes a release layer 1 containing a polyester resin material and has a terminal carboxylic acid content of less than 40, measured by an indicator titration method using the release layer 1.