Paper for liquid containers

A base paper for liquid containers with specific additives and layered pulp composition achieves edge wick resistance to amino acid-based surfactants, addressing environmental concerns and processability issues in conventional paper containers.

JP7885536B2Active Publication Date: 2026-07-07OJI HLDG CORP
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Patent Information

Application Number
JP2022015118
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2021-02-04
Filing Date
2022-02-02
Publication Date
2026-07-07
Estimated Expiration
2042-02-02

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Abstract

To provide base paper for liquid containers having excellent edge wicking resistance to a cleaning agent containing amino acid-based surfactant.SOLUTION: Base paper for liquid containers has edge wicking resistance to a cleaning agent containing an amino acid-based surfactant, wherein the edge wick value at 23°C to an aqueous solution containing 2.0 mass% of the cleaning agent and 4.0 mass% of ethanol is 3.5 g / 1000 mm2 or less.SELECTED DRAWING: None
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Citation Information

Patent Citations

  • Molding paper

    JP2004292968A

  • Paper base material for liquid container

    JP2010144286A

  • Solvent-resistant liquid packaging board, its manufacturing method and use, and a drinking cup made therefrom.

    JP2011516747A

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    JP2012219381A

  • Paper container

    JP2019085137A