Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HARD COAT FILM ROLL AND METHOD FOR MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2013170013
Kind Code:
A
Abstract:

To provide a hard coat film roll configured to generate a hard coat film with reduced defects so as to be suitably used as a hard coat film for capacitive touch panel inner surface without using a protection film, and a method for manufacturing the same.

In a method for manufacturing a hard coat film roll which is obtained by winding a hard coat film having a hard coat layer on one surface of a substrate film having a thickness of 20-55 μm and having a center line average surface roughness Rah in the hard coat film surface of 0.2-2.0 nm and a center line average surface roughness Ras in the other surface of 1.0-5.0 nm, no protection film is provided between the overlapping hard coat films in the roll, a touch roll is not substantially used in the winding, and after winding up the roll in winding conditions of a winding tension of 40-110 N/m and winding rate of 10-40 m/min., the roll is held for 1-10 minutes while keeping the winding tension at 40-110 N/m.


Inventors:
WATANABE MASAYA
Application Number:
JP2012032875A
Publication Date:
September 02, 2013
Filing Date:
February 17, 2012
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TEIJIN DUPONT FILMS JAPAN LTD
International Classes:
B65H23/195; B32B27/30; B32B37/00; B65H18/10
Attorney, Agent or Firm:
Taro Tameyama