Paper barrier material
The present invention addresses the problem of providing a paper barrier material which is less likely to be damaged by the expansion of water vapor when heated. To solve the problem, provided is a paper barrier material comprising a gas barrier layer, a sealing layer, a paper substrate, and a pigme...
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Main Authors | , , , , , |
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Format | Patent |
Language | English |
Published |
15.09.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The present invention addresses the problem of providing a paper barrier material which is less likely to be damaged by the expansion of water vapor when heated. To solve the problem, provided is a paper barrier material comprising a gas barrier layer, a sealing layer, a paper substrate, and a pigment coating layer laminated in this order, wherein the air-permeation resistance of a laminate consisting of the paper substrate and the pigment coating layer is 2500 seconds or less as measured according to JAPAN TAPPI No. 5-2:2000. |
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Bibliography: | Application Number: AU20200241935 |