水分散紙 - Nippon Paper Papylia Co., Ltd.

Title:

水分散紙

Document Type and Number:

Japanese Patent JP7215949

Kind Code:

B2

Abstract:

An object is to provide a water-dispersible paper that exhibits excellent dispersibility in water. As a solution, a water-dispersible paper is provided, which has: a base paper that has a bulky layer containing 10% by weight or higher of a softwood pulp with a lumen width (l) to fiber diameter (D) ratio (l/D) of 0.60 or lower on average; and a water-soluble polymer impregnated into the base paper.

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Inventors:

Masaki Kishimoto
Yoshino Ishino

Application Number:

JP2019062722A

Publication Date:

January 31, 2023

Filing Date:

March 28, 2019

Export Citation:

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Assignee:

Nippon Paper Papylia Co., Ltd.

International Classes:

D21H15/02; B32B29/06; D21H27/00

Domestic Patent References:

JP2007237634A
JP2006299498A
JP9049198A

Foreign References:

WO2019049619A1

Other References:

守谷正夫,木材繊維の形態的特性と紙の性質について,紙パ技協誌,第21巻第3号,日本,紙パルプ技術協会,1967年

Attorney, Agent or Firm:

Yasuyuki Yamada
Zentaro Hasebe
Masahiro Nakamura

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