Title:
PEELING METHOD OF PROTECTIVE FILM FOR OPTICAL FILM
Document Type and Number:
Japanese Patent JPH0996721
Kind Code:
A
Abstract:
To provide a peeling method with excellent workability of a protective film used to protect an optical film.
An optical film is adhered with a protective film comprising a silicone-based compd. layer, base body and adhesive layer. When the protective film is to be peeled from the optical film by sticking an adhesive tape to the silicone-based compd. layer face, the silicone-based compd. layer is first heat- treated at 30-100°C under air blow or irradiated with optically active rays, and then the adhesive tape is stuck to peel the protective film.
Inventors:
KATO KUNIYASU
Application Number:
JP27960895A
Publication Date:
April 08, 1997
Filing Date:
October 02, 1995
Export Citation:
Assignee:
NIPPON SYNTHETIC CHEM IND
International Classes:
G02B5/30; (IPC1-7): G02B5/30
Next Patent: PROTECTIVE FILM FOR POLARIZING PLATE