Title:
PROTECTIVE FILM, AND LAMINATE
Document Type and Number:
WIPO Patent Application WO/2023/032707
Kind Code:
A1
Abstract:
The present invention provides a protective film and a laminate which have excellent adhesion to an electrode and excellent hygrothermal durability. A protective film according to the present invention is a protective film for an electrode, the protective film containing a polymer A that has a repeating unit A having an acid group, wherein: the acid value of the protective film is at most 120 mgKOH/g; the protective film has a maximum absorption wavelength in the wavelength range of 300-400 nm; and when the protective film is heated at 140 °C for 30 minutes, the change rate of K (absorption coefficient)/S (scattering coefficient) at the maximum absorption wavelength is at most 10%.
Inventors:
YAMAGUCHI KEIGO (JP)
KODAMA KUNIHIKO (JP)
KODAMA KUNIHIKO (JP)
Application Number:
PCT/JP2022/031339
Publication Date:
March 09, 2023
Filing Date:
August 19, 2022
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G03F7/033; B32B15/08; B32B27/00; C08F20/04; C08F22/40; C08F32/00; C09D201/02; G03F7/004; G06F3/041
Foreign References:
| JP2008052251A | 2008-03-06 | |||
| JP2014197171A | 2014-10-16 | |||
| JP2020076913A | 2020-05-21 |
Attorney, Agent or Firm:
ITOH Hideaki et al. (JP)
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