PACKAGING MATERIAL, PACKING BAG, AND PACKAGE

Title:

PACKAGING MATERIAL, PACKING BAG, AND PACKAGE

Document Type and Number:

Japanese Patent JP2023014549

Kind Code:

A

Abstract:

To provide a packaging material that is excellent in recyclability and suitable for packaging contents containing sulfur-containing amino acids.SOLUTION: A packaging material comprises a base layer, an intermediate layer and a sealant layer. The intermediate layer includes an intermediate layer base layer and a barrier coat layer containing a carboxylic acid based polymer and a polyvalent metal compound. The intermediate layer is laminated so that the barrier coat layer is located on the base layer side. The base layer, the intermediate layer base layer and the sealant layer are all polyolefin resin layers or polyester resin layers.SELECTED DRAWING: Figure 1

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Inventors:

SASAKI NORIKO

Application Number:

JP2021118558A

Publication Date:

January 31, 2023

Filing Date:

July 19, 2021

Export Citation:

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Assignee:

TOPPAN PRINTING CO LTD

International Classes:

B32B27/08; B32B9/00; B32B9/04; B32B27/32; B32B27/36; B65D65/40

Attorney, Agent or Firm:

Yoshiki Hasegawa
Yoshiki Kuroki
Yohei Suzuki

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