Title:
包装用紙
Document Type and Number:
Japanese Patent JP7342049
Kind Code:
B2
Abstract:
To provide a type of packaging paper which has water vapor barrier properties, is excellent at oxygen gas barrier properties and heat-sealability and blocking resistance, and moreover has peel resistance of a layer which exhibits heat-sealability for layers containing polyvinylidene chloride.SOLUTION: The problem is solved by a type of packaging paper which has a paper support body, a first coating layer on one side of the paper support body, a second coating layer outside the first coating layer relative to the paper support body, and a third coating layer outside the second coating layer relative to the paper support body, the first coating layer contains kaolin and styrene-butadiene copolymer resin as a binder, the second coating layer contains as a constituent unit of resin polyvinylidene chloride-based polymer resin which has vinylidene chloride monomer as a main component and the third coating layer contains acid-modified polyolefin polymer resin.SELECTED DRAWING: None
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Inventors:
Shinichiro Matsumoto
Osho Nagoshi
Osho Nagoshi
Application Number:
JP2021019049A
Publication Date:
September 11, 2023
Filing Date:
February 09, 2021
Export Citation:
Assignee:
Mitsubishi Paper Mills Co., Ltd.
International Classes:
B65D65/02
Domestic Patent References:
| JP2020183593A | ||||
| JP2019108633A | ||||
| JP9031889A |
Foreign References:
| WO2019069963A1 | ||||
| WO2013069788A1 |