LAMINATE FOR PACKAGING MATERIAL, AND PACKAGE

Title:

LAMINATE FOR PACKAGING MATERIAL, AND PACKAGE

Document Type and Number:

Japanese Patent JP2023045899

Kind Code:

A

Abstract:

To provide a laminate for packaging materials, capable of reducing degradation of barrier performance due to thermal effects during a manufacturing process in the packaging materials using a gas barrier film having an inorganic oxide layer and a sealant layer on a polypropylene base material, and to provide the package.SOLUTION: A laminate for packaging materials having at least a barrier film layer and a sealant layer made of non-oriented polypropylene, wherein: the barrier film layer has a barrier base material made of a stretched polypropylene and a barrier layer formed on one side of the barrier base material; the barrier layer comprises an inorganic oxide layer; the barrier layer and sealant layer are bonded together by a dry lamination adhesive layer; and Tg of the dry lamination adhesive layer is 20°C or more.SELECTED DRAWING: Figure 1

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Inventors:

YAMASHITA KAORI

Application Number:

JP2021154514A

Publication Date:

April 03, 2023

Filing Date:

September 22, 2021

Export Citation:

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Assignee:

TOPPAN PRINTING CO LTD

International Classes:

B32B27/32; B32B9/00; B65D65/40; B65D81/24

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