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Effects of Neutral Sizing Agent Alkyl Ketene Dimer on Physicochemical Properties of Xuan Paper
Received:May 22, 2025  Revised:June 20, 2025
DOI：10.11981/j.issn.1000-6842.2026.01.159
Key Words:Xuan paper;alkyl ketene dimer （AKD）;surface sizing;porosity structure;physicochemical properties
Fund Project:国家重点研发计划（2022YFF0904501）；安徽省新时代育人质量工程项目（2023zyxwjxalk002，2022jyjxggyj031，2024xjyxm002，2025kcszsfkc110）；中国科学技术大学教学改革研究项目（2024ycjg14）。
Author NameAffiliationPostcode
ZHU Yuewei* 1Department of History of Science and Scientific Archaeology， University of Science and Technology of China， Hefei， Anhui Province， 230026 230026
DING Yanwei 2Hefei National Lab for Physical Sciences at the Microscale， University of Science and Technology of China， Hefei， Anhui Province， 230026 230026
JIAO Yuhao 1Department of History of Science and Scientific Archaeology， University of Science and Technology of China， Hefei， Anhui Province， 230026 230026
LI Tingting 1Department of History of Science and Scientific Archaeology， University of Science and Technology of China， Hefei， Anhui Province， 230026 230026
WANG Chunxiu 1Department of History of Science and Scientific Archaeology， University of Science and Technology of China， Hefei， Anhui Province， 230026 230026
RUI Yangmenglin 1Department of History of Science and Scientific Archaeology， University of Science and Technology of China， Hefei， Anhui Province， 230026 230026
PENG Anting 1Department of History of Science and Scientific Archaeology， University of Science and Technology of China， Hefei， Anhui Province， 230026 230026
SHEN Mengru 1Department of History of Science and Scientific Archaeology， University of Science and Technology of China， Hefei， Anhui Province， 230026 230026
WU Youjin 3School of Design， Anhui University of Arts， Hefei， Anhui Province， 230011 230011
ZHU Zhenghai 4Anhui Jingxian Yiyingxuan Xuan Paper Crafts Factory， Xuancheng， Anhui Province， 242500 242500
CHEN Biao* 1Department of History of Science and Scientific Archaeology， University of Science and Technology of China， Hefei， Anhui Province， 230026 230026
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Abstract:
      In this study， based on drag-dye sizing process commonly used for traditional handmade paper， and using the neutral sizing agent alkyl ketene dimer （AKD） for single sizing of Xuan paper， the effects of AKD dosage on the physicochemical properties of Xuan paper were investigated. The results showed that the D65 brightness of Xuan paper remained 73%~74% before and after sizing， and color changes fell below the range detectable by the human eye. The AKD sizing reduced the cumulative pore volume and significantly enhanced the hydrophobicity of Xuan paper. In the dry state， the AKD sizing had a limited effect on enhancing the mechanical properties of sized Xuan paper， with tensile index improvements ranging from 1.2% to 7.2% compared to untreated Xuan paper. However， in the wet state， the AKD sizing maintained the wet tensile strength of sized Xuan paper. At different AKD dosages， the alkaline reserve and surface pH of sized Xuan paper consistently remained stable， in the weak alkaline range， demonstrating certain acid resistance and aging resistance capabilities. When the AKD dosage （AKD sizing agent fraction） did not exceed 0.6%， the thermal stability and durability of the sized Xuan paper were positively enhanced.
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