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Patent Searching and Data


Title:
紙の強化方法
Document Type and Number:
Japanese Patent JP7025721
Kind Code:
B2
Abstract:
To provide a technology that can suppress the acidification, in addition to suppression of a hardening and a thickness increase of the paper material, and a deterioration of information readability, when treating the paper material with a strengthening agent.SOLUTION: The paper strengthening method according to the present invention comprises a deacidification step (S101) in which the paper to be treated is deacidified, and a coating processing step (S104) in which fine cellulose fibers are applied to the surface of the deacidified paper.SELECTED DRAWING: Figure 1

Inventors:
Naoko Sonoda
日▲高▼ 真吾
Takayuki Okayama
Ryota Ose
Chiemi Kadoya
Masazumi Seki
Mao Tonoyama
Application Number:
JP2017252277A
Publication Date:
February 25, 2022
Filing Date:
December 27, 2017
Export Citation:
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Assignee:
Inter-university research institute National Institutes for the Humanities
International Classes:
D21H25/18; D21H11/18; D21H15/02; D21H19/34
Domestic Patent References:
JP2001288692A
JP8092893A
JP2004263321A
JP6316897A
Other References:
村井まどか、木下稔夫,セルロースナノファイバーとセルロース誘導体による酸性紙の強化,東京都立産業技術研究センター研究報告,第11号,日本,2016年,第104-105頁
セルロースナノファイバーを用いた劣化紙の強化処理,第65回日本木材学会大会,日本,一般社団法人 日本木材学会,2015年03月01日
Attorney, Agent or Firm:
Akira Hirakawa
Takehiko Sekine
Katsuhiko Imahori