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Title:
ULTRAVIOLET ABSORBING FILM
Document Type and Number:
Japanese Patent JP2015166179
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an ultraviolet absorbing film which has excellent ultraviolet absorbing performance by blending a plastic substrate with a metal compound, and further has excellent gas barrier properties even under high humidity.SOLUTION: An ultraviolet absorbing film is a film in which a gas barrier layer (II) is laminated on a plastic substrate (I). In the ultraviolet absorbing film, the plastic substrate (I) contains 0.1-50 mass% of a metal compound, the gas barrier layer (II) contains polycarboxylic acid, and light transmittance of the film at 370 nm or less is 20% or less. The plastic substrate (I) is at least one type of a polyamide resin or a polyester resin which contains 0.1-30 mass% of an ultraviolet absorber, and the gas barrier layer (II) contains polyalcohol.

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Inventors:
MAEHARA ATSUSHI
OKABE TAKASHI
Application Number:
JP2015022318A
Publication Date:
September 24, 2015
Filing Date:
February 06, 2015
Export Citation:
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Assignee:
UNITIKA LTD
International Classes:
B32B27/18; B32B7/02; B32B27/20; B32B27/34; B32B27/36; B65D65/40
Domestic Patent References:
JP2005145031A2005-06-09
JP2013209224A2013-10-10
JP2005153167A2005-06-16
JP2012206430A2012-10-25
JP2010247522A2010-11-04
JP2000006305A2000-01-11
JP2005153166A2005-06-16
JP2007276421A2007-10-25
JP2002194265A2002-07-10
JP2005125574A2005-05-19
Foreign References:
WO2013103139A12013-07-11
US20070042208A12007-02-22



 
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