Title:
GAS BARRIER FILM, LAMINATE, AND PACKAGING CONTAINER
Document Type and Number:
WIPO Patent Application WO/2024/024131
Kind Code:
A1
Abstract:
A gas barrier film comprising a biaxially-oriented polyester film and an inorganic thin-film layer, wherein the biaxially-oriented polyester film contains a chemically-recycled polyester, and with regard to a molecular weight distribution curve obtained by gel permeation chromatography of the biaxially-oriented polyester film, the area ratio of a region having a molecular weight of not more than 1000 is 1.9% to 5.5% of the total peak area.
Inventors:
GOTO TAKAMICHI (JP)
MANABE NOBUYUKI (JP)
YAMAZAKI ATSUSHI (JP)
MANABE NOBUYUKI (JP)
YAMAZAKI ATSUSHI (JP)
Application Number:
PCT/JP2023/002863
Publication Date:
February 01, 2024
Filing Date:
January 30, 2023
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
B32B9/00; B32B27/36; B65D65/40
Domestic Patent References:
| WO2022049998A1 | 2022-03-10 |
Foreign References:
| JP6984718B1 | 2021-12-22 | |||
| JP2018099899A | 2018-06-28 | |||
| JP2005028693A | 2005-02-03 | |||
| JP2014065282A | 2014-04-17 | |||
| JP2006241349A | 2006-09-14 | |||
| JPH08198959A | 1996-08-06 |
Attorney, Agent or Firm:
UNIUS PATENT ATTORNEYS OFFICE (JP)
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