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Title:
OPTICAL UNSTRETCHED FILM
Document Type and Number:
Japanese Patent JP2010070652
Kind Code:
A
Abstract:

To provide an unstretched film which hardly causes fissures and tears of the film even with low flexibility.

In the optical unstretched film, both of the maximum values () of the film thickness from the right and left edges to 100 mm of the film are each 105-130% of the average film thickness of the central part () of the film excluding the portions of 100 mm from both side edges of the film, and both of the minimum values () of the film thickness from the right and left edges of the film to 100 mm are each 50-95% of the above average film thickness.


Inventors:
SHIROSHIMA SATOHIRO
FUKUDA YOSHIHIRO
TAKAGI MASAHITO
HIRAMA SUSUMU
UKAMURA TADAYOSHI
Application Number:
JP2008239843A
Publication Date:
April 02, 2010
Filing Date:
September 18, 2008
Export Citation:
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Assignee:
NIPPON CATALYTIC CHEM IND
International Classes:
C08J5/18
Domestic Patent References:
JP2000006227A2000-01-11
JP2008101202A2008-05-01
JPH09300457A1997-11-25
JP2006123460A2006-05-18
JPH07290553A1995-11-07
JP2006116904A2006-05-11
JPS6341126A1988-02-22
JP2007253518A2007-10-04
JP2005262677A2005-09-29
JP2007297615A2007-11-15
JP2008009378A2008-01-17
Foreign References:
WO1996006722A11996-03-07



 
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