用紙の水分膨張現象における紙繊維内の水分拡散モデル

• 資料種別: 記事
• タイトル: 用紙の水分膨張現象における紙繊維内の水分拡散モデル
• 著者・編者: 山崎 公晴; 潘 楷文; 川野 理基; 加藤 弘一; 倉本 信一; 伏信 一慶
• 著者標目: 山崎 公晴; 潘 楷文; 川野 理基; 加藤 弘一; 倉本 信一; 伏信 一慶
• 並列タイトル等: Development of a Moisture Diffusion Model into Paper Fibers in the Hygroexpansion of Paper Media
• タイトル（掲載誌）: Thermal Science and Engineering
• 巻号年月日等（掲載誌）: 33(2・3):2025.7
• 掲載巻: 33
• 掲載号: 2・3
• 掲載ページ: 21-30
• 掲載年月日（W3CDTF）: 2025-07
• ISSN（掲載誌）: 0918-9963
• ISSN-L（掲載誌）: 0918-9963
• 出版事項（掲載誌）: Tokyo : Heat Transfer Society of Japan
• 出版地（国名コード）: JP
• 本文の言語コード: jpn
• 件名標目: Moisture Diffusion; Paper expansion/shrinkage; Electrophotographic process; GAB sorption isotherms
• NDLC: ZM5
• 対象利用者: 一般
• 所蔵機関: 国立国会図書館
• 請求記号: Z54-J404
• 連携機関・データベース: 国立国会図書館 : 国立国会図書館雑誌記事索引; https://ndlsearch.ndl.go.jp
• 書誌ID（NDLBibID）: 034247656; http://id.ndl.go.jp/bib/034247656
• 整理区分コード: 632

• 要約等: <p>The moisture content within paper greatly affects the image quality when printing on paper media. Especially in the drying process of inkjet printing or the fusing process of electrophotographic printing, the amount of moisture in the paper changes due to the heating process, and then again due to the cooling process, which results in a dimensional change in paper size that is known to greatly affect the accuracy of image position. Although various types of paper are used in the commercial printing field according to the intended application, it is not clear how changes in paper size occur due to differences in paper structure, and image positioning adjustments are currently made based on empirical rules. In this study, we conducted simultaneous measurements of weight and length across multiple paper types with different layer structures, examining the dynamic changes that occur immediately following variations in temperature and relative humidity. We consider that in the paper expansion phenomenon, in the first step, moisture diffuse into the paper voids, in the second step, moisture is absorbed into the paper fiber, where they diffuse, causing the fiber diameter to expand, and as a result, the paper size expands. Through comparisons between experimental results and numerical calculations, we elucidated the effects of relative humidity on water molecule diffusion within paper fibers, as well as the influence of coating layers and peripheral moisture content of paper fibers on dimensional change.</p>
• DOI: 10.11368/tse.33.21
• オンライン閲覧公開範囲: インターネット公開
• 連携機関・データベース: 科学技術振興機構 : J-STAGE; http://www.jstage.jst.go.jp

• 要約等: <p>The moisture content within paper greatly affects the image quality when printing on paper media. Especially in the drying process of inkjet printing or the fusing process of electrophotographic printing, the amount of moisture in the paper changes due to the heating process, and then again due to the cooling process, which results in a dimensional change in paper size that is known to greatly affect the accuracy of image position. Although various types of paper are used in the commercial printing field according to the intended application, it is not clear how changes in paper size occur due to differences in paper structure, and image positioning adjustments are currently made based on empirical rules. In this study, we conducted simultaneous measurements of weight and length across multiple paper types with different layer structures, examining the dynamic changes that occur immediately following variations in temperature and relative humidity. We consider that in the paper expansion phenomenon, in the first step, moisture diffuse into the paper voids, in the second step, moisture is absorbed into the paper fiber, where they diffuse, causing the fiber diameter to expand, and as a result, the paper size expands. Through comparisons between experimental results and numerical calculations, we elucidated the effects of relative humidity on water molecule diffusion within paper fibers, as well as the influence of coating layers and peripheral moisture content of paper fibers on dimensional change.</p>
• DOI: 10.11368/tse.33.21; https://doi.org/10.11368/tse.33.21
• 関連情報（URI）: http://id.ndl.go.jp/bib/034247656; https://ndlsearch.ndl.go.jp/books/R000000004-I034247656
• 連携機関・データベース: 国立情報学研究所 : CiNii Research; https://cir.nii.ac.jp/
• 提供元機関・データベース: Japan Link Center; https://japanlinkcenter.org/top; 雑誌記事索引データベース; https://ndlsearch.ndl.go.jp
• 書誌ID（NDLBibID）: 034247656; http://id.ndl.go.jp/bib/034247656