Title:
BARRIER FILM, LAMINATE USING SAID BARRIER FILM, PACKAGING PRODUCT USING SAID LAMINATE
Document Type and Number:
WIPO Patent Application WO/2021/045127
Kind Code:
A1
Abstract:
Provided are: a barrier film having high barrier properties; and a laminate using the same. This barrier film includes a substrate, an aluminum oxide deposition film, and an organic coating layer which are laminated in this order, wherein: when the aluminum oxide deposition film is etched from the surface side of the organic coating layer of the barrier film by time-of-flight secondary ion mass spectrometry (TOF-SIMS), an intensity derived from an elemental bond OH is detected; the intensity derived from the elemental bond OH has a downward convex peak; and the downward convex peak is present in the aluminum oxide deposition film at a 10-60% depth position from the surface side of the organic coating layer.
Inventors:
KOSHIBA SEIICHIRO (JP)
KISHIMOTO YOSHIHIRO (JP)
YOSHIHARA TAKUSHI (JP)
TAKAHASHI MASAHIRO (JP)
IWAHASHI HIROYUKI (JP)
KISHIMOTO YOSHIHIRO (JP)
YOSHIHARA TAKUSHI (JP)
TAKAHASHI MASAHIRO (JP)
IWAHASHI HIROYUKI (JP)
Application Number:
PCT/JP2020/033327
Publication Date:
March 11, 2021
Filing Date:
September 02, 2020
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B32B9/00; B65D65/40; C23C14/08; C23C14/20; C23C14/22; C23C14/58
Domestic Patent References:
| WO2019087960A1 | 2019-05-09 | |||
| WO2013100073A1 | 2013-07-04 |
Foreign References:
| JP2019123925A | 2019-07-25 | |||
| JP2017177343A | 2017-10-05 | |||
| JP2008114444A | 2008-05-22 | |||
| JP2012196918A | 2012-10-18 | |||
| JP2020029095A | 2020-02-27 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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