Title:
MULTILAYER BODY, PACKAGING BAG AND METHOD FOR PRODUCING PACKAGING BAG
Document Type and Number:
WIPO Patent Application WO/2024/048457
Kind Code:
A1
Abstract:
This multilayer body comprises at least a first resin layer and a second resin layer; the first resin layer is provided on the second resin layer in a removable manner; the peel strength between the first resin layer and the second resin layer is 1.0 N/15 mm width or less; and the requirement (1) described below and/or the requirement (2) described below is satisfied. (1) The second resin layer is a sealant layer which comprises at least a polyethylene layer that has a density of 0.909 g/cm3 or less, and the polyethylene layer in the second resin layer is in contact with the first resin layer. (2) The second resin layer is a sealant layer which contains a polyolefin as a main component, and the content ratio of the polyolefin in the second resin layer is 82% by mass or more based on the mass of the second resin layer.
Inventors:
TAKASUGI YUYA (JP)
KASHIHARA TOMOMI (JP)
TANAKA YUYA (JP)
OTSUKA KOJI (JP)
MURAYAMA TATSUHIKO (JP)
HIGASHINO MISATO (JP)
KASHIHARA TOMOMI (JP)
TANAKA YUYA (JP)
OTSUKA KOJI (JP)
MURAYAMA TATSUHIKO (JP)
HIGASHINO MISATO (JP)
Application Number:
PCT/JP2023/030748
Publication Date:
March 07, 2024
Filing Date:
August 25, 2023
Export Citation:
Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B32B27/32; B32B7/022; B32B7/06; B65D33/00; B65D65/40
Foreign References:
| JP2021066185A | 2021-04-30 | |||
| JP2003246901A | 2003-09-05 | |||
| JPS5578432U | 1980-05-30 | |||
| JP2004244048A | 2004-09-02 | |||
| JP2009132417A | 2009-06-18 | |||
| JP2001162727A | 2001-06-19 | |||
| JP2000079949A | 2000-03-21 | |||
| JPH10235773A | 1998-09-08 | |||
| JP2002211580A | 2002-07-31 | |||
| JP2002211579A | 2002-07-31 |
Attorney, Agent or Firm:
MIYAJIMA Manabu et al. (JP)
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