Title:
RELEASE POLYESTER FILM
Document Type and Number:
Japanese Patent JP2015208943
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a release polyester film to be used for a substrate-less adhesive sheet having such properties that in a process of bonding members by use of the substrate-less adhesive sheet, when re-sticking is required, an interface of an adhesion face to be peeled can be limited to the face where the last sticking is carried out.SOLUTION: The release polyester film has a release layer comprising a silicone resin having at least one alkenyl group and an alkyl group as functional groups on at least one surface of a polyester film. The release layer contains at least one siloxane having a molecular weight of 1000 or less by 1.0 to 10.0 wt.%, and the release polyester film has a release force of 30 mN/cm or more at a speed of 300 mm/min.
Inventors:
ISHIDA MIKIYOSHI
SAITO TOMOHISA
SAITO TOMOHISA
Application Number:
JP2014092551A
Publication Date:
November 24, 2015
Filing Date:
April 28, 2014
Export Citation:
Assignee:
MITSUBISHI PLASTICS INC
International Classes:
B32B27/36; B32B27/00; C08J7/04; C09J7/00