| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a release polyester film suitable for an optical-use separator, which can suppress the generation of oligomer to the minimum while a temperature of pressure-sensitive adhesive processing or the like or a pressure of a nip roll or the like is applied during process travel time, and which can change surface hardness in response to the counterpart pressure-sensitive adhesive agent. <P>SOLUTION: This release polyester film includes a silicone release layer having Martens hardness of 100 to 450 N/mm<SP POS="POST">2</SP>at least on one surface. <P>COPYRIGHT: (C)2013,JPO&INPIT |
