| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve the following problem of a releasing polyester film when a substrate-less double-sided adhesive sheet is used for optical use: in order to provide difference in peeling force between two releasing polyester films used when sticking to an adhesive, peeling force on the releasing polyester film side with light peeling force should be made as low as possible. <P>SOLUTION: A polyester film for a substrate-less double-sided adhesive sheet is a releasing film having, on one side, a release layer disposed by applying a coating agent containing a solventless addition reaction-curing type silicone, wherein the tape peeling force of the release layer is≤15 mN/cm and an adhesion ratio for evaluating the migration of a silicone-based component is≥90%. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
