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Study on Performance Difference of Handmade Bamboo Paper Between Traditional Uncooked Process and Cooking Process
Received:August 30, 2021  
DOI:10.11981/j.issn.1000-6842.2022.03.78
Key Words:unbleached bamboo paper;uncooked process;cooking process;durability;restoration paper
Fund Project:国家社会科学基金特别委托项目(19@ZH015);国家文化和旅游科技创新工程项目(2019-014)。
Author NameAffiliationE-mail
YI Xiaohui Key Laboratory of Science and Technology for Ancient Book Preservation and Conservation, Ministry of Culture and Tourism, National Library of China, Beijing, 100034 yixh@nlc.cn 
LI Ying China Printing Museum, Beijing, 102600  
LEI Xinyao China Printing Museum, Beijing, 102600  
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Abstract:
      Unbleached bamboo paper is the most common type of paper in ancient books. According to the pulping and papermaking process, it can be divided into two types: uncooked process and cooking process. The basic physicochemical, optical, mechanical properties, and fiber microscopic morphology of 3 kinds of uncooked and cooked bamboo papers produced by 3 paper workshops from Fujian province were tested. The physicochemical properties of bamboo papers prepared from uncooked and cooking processes were investigated, especially their differences in durability. The results show that the cooked paper has obvious advantages in D65 brightness, post color number, pH value, Kappa number, and other durability related physicochemical indexes, rendering it the more suitable restoration material for ancient books. The dimensional stability of uncooked paper is better but the durability is not as good as that of cooked paper. The results provide references for in-depth understanding of the physicochemical properties of the materials of ancient books, formulating targeted preservation and protection countermeasures, and selecting appropriate restoration paper for ancient books.
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