Title:
OXYGEN-ABSORBING PACKAGING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/016521
Kind Code:
A1
Abstract:
Provided is an oxygen-absorbing packaging material which is used for adhesive patches or the like containing an easily oxidizable component and an oily component, and which has improved tearability, while maintaining good heat seal strength.
The present invention relates to an easily tearable oxygen-absorbing packaging material which has a multilayer structure comprising an oxygen barrier layer, an oxygen absorption layer and a sealant film, and wherein: the sealant film is a multilayer resin film that comprises at least a core layer and an inner layer having heat sealability; and the core layer contains 20-40% by mass of a cyclic polyolefin resin and/or an acrylic resin and 60-80% by mass of a polyethylene terephthalate resin relative to the total mass of the core layer.
Inventors:
OHSAWA TAKAFUMI (JP)
OHTA YOSHIHIRO (JP)
KOMAGATA HIROKI (JP)
OHTA YOSHIHIRO (JP)
KOMAGATA HIROKI (JP)
Application Number:
PCT/JP2017/026089
Publication Date:
January 25, 2018
Filing Date:
July 19, 2017
Export Citation:
Assignee:
TOYO SEIKAN GROUP HOLDINGS LTD (JP)
International Classes:
B32B27/30; B32B15/08; B32B27/32; B32B27/36; B65D65/40
Domestic Patent References:
| WO2010143737A1 | 2010-12-16 |
Foreign References:
| JP2012011588A | 2012-01-19 | |||
| JP2006240221A | 2006-09-14 | |||
| JPH07292129A | 1995-11-07 | |||
| JP2016120963A | 2016-07-07 |
Other References:
See also references of EP 3489013A4
Attorney, Agent or Firm:
TANAKA Shinichiro et al. (JP)
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