Title:
HYGROSCOPIC FILM AND HYGROSCOPIC LAMINATE
Document Type and Number:
WIPO Patent Application WO/2023/145919
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a hygroscopic film and a hygroscopic laminate which absorb a large amount of moisture quickly in order to suppress deterioration of contents caused by moisture absorption. [Solution] A hygroscopic film comprising, in a laminated manner, at least a resin layer that contains a specific polyethylene resin and a moisture absorption layer that contains a specific polyethylene resin and a moisture absorbing agent, or a hygroscopic laminate comprising a moisture-absorbing sealant layer that contains a gas barrier base layer and a moisture absorbing agent, wherein a second resin layer comprising a specific polyethylene resin and a antistatic agent is laminated in the following order: resin layer, moisture absorption layer, and second resin layer.
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Inventors:
TADOKORO TATSURO (JP)
NAKADA KIYOSHI (JP)
TAKEUCHI NAOYA (JP)
YONEMOTO TOMOHIRO (JP)
SUZUKI YOSHIHIKO (JP)
NAKADA KIYOSHI (JP)
TAKEUCHI NAOYA (JP)
YONEMOTO TOMOHIRO (JP)
SUZUKI YOSHIHIKO (JP)
Application Number:
PCT/JP2023/002775
Publication Date:
August 03, 2023
Filing Date:
January 30, 2023
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B32B27/32; B32B27/18; B65D65/40
Domestic Patent References:
| WO2016024529A1 | 2016-02-18 | |||
| WO2018016562A1 | 2018-01-25 | |||
| WO2020213517A1 | 2020-10-22 | |||
| WO2015046485A1 | 2015-04-02 |
Foreign References:
| JP2021037673A | 2021-03-11 | |||
| JP2006346998A | 2006-12-28 | |||
| JPH08134295A | 1996-05-28 | |||
| JP2009040439A | 2009-02-26 | |||
| JP2014221514A | 2014-11-27 |
Attorney, Agent or Firm:
YUITA Junji et al. (JP)
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