Title:
ガスバリア性積層体、包装材
Document Type and Number:
Japanese Patent JP6973690
Kind Code:
B2
Abstract:
The present invention provides: a laminate in which a good gas barrier property is maintained even though a printing layer and a bonding layer formed with an adhesive having a gas barrier property are arranged adjacent to each other; and a packaging material obtained with the laminate. A laminate according to the present invention is characterized by including: a base material; a sealant layer; a printing layer disposed between the base material and the sealant layer and formed with a liquid ink; and a bonding layer disposed between the printing layer and the sealant layer so as to be in contact with the printing layer, the bonding layer being formed with an adhesive that satisfies at least one of the condition that the oxygen barrier property of a coating film applied at 3 g/m2 (solid content), at 23ºC and 0%RH, is less than or equal to 300 cc/m2/day/atm and the condition that the water vapor barrier property thereof is less than or equal to 120 g/m2/day, wherein the application amount of the liquid ink (solid content), except for colorant, contained in the printing layer is less than or equal to 1.1 g/m2.
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Inventors:
Arai Masamitsu
Teshima
Manabu Fujimoto
Teshima
Manabu Fujimoto
Application Number:
JP2021528153A
Publication Date:
December 01, 2021
Filing Date:
June 11, 2020
Export Citation:
Assignee:
DIC Corporation
International Classes:
B32B27/00; B65D65/40
Domestic Patent References:
| JP2013253133A |
Foreign References:
| WO2017110780A1 |
Attorney, Agent or Firm:
Shinji Ogawa
Akihiro Iwamoto
Takayuki Ohno
Akihiro Iwamoto
Takayuki Ohno