Title:
TRANSPARENT WATER-ABSORBING SEALANT FILM
Document Type and Number:
Japanese Patent JP2021054950
Kind Code:
A
Abstract:
To provide a transparent water-absorbing sealant film which is excellent in production suitability, is transparent and can visually check contents even with simple layer constitution, shields moisture from the outside and moisture of a packaged internal space, and can suppress deterioration of the contents due to the moisture during transportation and long-period storage, and a transparent water-absorbing film and a transparent water-absorbing film laminate prepared using the transparent water-absorbing sealant film.MEANS FOR SOLVING THE PROBLEM: A transparent water-absorbing sealant film contains an organic water-absorbing agent and a heat-sealable resin. A content of the organic water-absorbing agent in the layer containing the organic water-absorbing agent is 0.5 mass% or more and 70 mass% or less.SELECTED DRAWING: None
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Inventors:
TSUNEDA HIROTAKA
TAKEUCHI NAOYA
TAKEUCHI NAOYA
Application Number:
JP2019179452A
Publication Date:
April 08, 2021
Filing Date:
September 30, 2019
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
C08J5/18; B32B27/00; B32B27/18; B65D65/40; C08L29/04; C08L31/04; C08L33/02; C08L101/00
Domestic Patent References:
| JP2010116435A | 2010-05-27 |
Attorney, Agent or Firm:
Junji Yuda
Noriyuki Takebayashi
Noriyuki Takebayashi