Title:
METHOD FOR PRODUCING GAS BARRIER PAPER PACKAGING MATERIAL, AND GAS BARRIER PAPER PACKAGING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2023/276601
Kind Code:
A1
Abstract:
The present invention provides a method for producing a gas barrier paper packaging material, the method being capable of imparting sufficient gas barrier properties even if the application amount after drying of a barrier coating agent that forms a barrier layer is 2 g/m2 or less. A method for producing a gas barrier paper packaging material, the method comprising at least: a barrier layer formation step in which a barrier layer is formed by applying a barrier coating layer to one surface of a sealant film; and a stacking step in which the barrier layer and a paper base material layer are stacked upon each other, with an adhesive layer being interposed therebetween.
Inventors:
ITO GENTA (JP)
TANAKA HIROKI (JP)
KOBAYASHI KYOHEI (JP)
FUJITA ATSUSHI (JP)
HARADA JUNICHI (JP)
TANAKA HIROKI (JP)
KOBAYASHI KYOHEI (JP)
FUJITA ATSUSHI (JP)
HARADA JUNICHI (JP)
Application Number:
PCT/JP2022/023243
Publication Date:
January 05, 2023
Filing Date:
June 09, 2022
Export Citation:
Assignee:
SAKATA INX CORP (JP)
International Classes:
B32B27/10; B65D65/40
Domestic Patent References:
| WO2021111973A1 | 2021-06-10 | |||
| WO2013069788A1 | 2013-05-16 |
Foreign References:
| JP2005059262A | 2005-03-10 | |||
| JP2001018342A | 2001-01-23 | |||
| JP2017226135A | 2017-12-28 |
Attorney, Agent or Firm:
WISEPLUS IP FIRM (JP)
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