Title:
ANTI-FOG FILM
Document Type and Number:
WIPO Patent Application WO/2019/163758
Kind Code:
A1
Abstract:
Provided is an anti-fogging film which exhibits all of initial anti-fogging, long-term anti-fogging, and anti-fogging during a transition period, wherein the durability of such anti-fogging is excellent. This anti-fog film (10) is provided with a film substrate (11), a first layer (middle layer (12)), and a second layer (resin layer (13)). The film substrate (11) is formed of a cellulose acylate in which the degree of substitution of an acyl group is in the range of 2.00-2.97. The middle layer (12) is formed of a cellulose acylate or cellulose that has a lower degree of substitution of the acyl group than the film substrate (11). The resin layer (13) has any one among a hydroxyl group, an amide structure, and a pyrrolidone structure, and contains a polymer having a molecular weight of at least 30,000.
Inventors:
KATANO SHOGO (JP)
FUJIHARA YUSUKE (JP)
FUJIHARA YUSUKE (JP)
Application Number:
PCT/JP2019/006060
Publication Date:
August 29, 2019
Filing Date:
February 19, 2019
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
B32B23/08; B32B23/20; C08J7/043; C08J7/054; C08J7/056
Domestic Patent References:
| WO2015083479A1 | 2015-06-11 | |||
| WO2017047426A1 | 2017-03-23 | |||
| WO2018061911A1 | 2018-04-05 |
Foreign References:
| JP2017525594A | 2017-09-07 | |||
| JP2014224213A | 2014-12-04 | |||
| JP2013099879A | 2013-05-23 |
Attorney, Agent or Firm:
KYORITSU INSTITUTE (JP)
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