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| Study on the Effects of Natural Polymers and Their Derivatives on the Durability of Paper Relics |
| Received:May 08, 2023 |
| DOI：10.11980/j.issn.0254-508X.2023.12.011 |
| Key Words:paper relics paper pigment durability |
| Fund Project:辽宁省社会科学规划基金项目（L20BTQ005）；辽宁省档案局科技计划项目（2021B005）；辽宁省经济社会发展研究课题（2023lslybkt-066）。 |
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| Abstract:In this study， with the raw Xuan paper and writing materials prepared from 7 kinds of Chinese painting pigments as research objects， the properties of acid-alkali resistance， oxidation resistance， dry-heat aging resistance and UV aging resistance were expericed， the protective effects of chitosan， sodium alginate， and hydroxyethyl cellulose coating on paper relics were explored. The results showed that the three kinds of reinforcing agents all played a certain role in delaying the aging of paper and pigment. The compound solution prepared with 0.9% hydroxyethyl cellulose and 0.5% gelatin had the most significant color fixing effect. After dry-heat aging and UV aging， the color difference was significantly reduced compared with the writing material without coating. At the same time， the pH value of the acidified paper could reach 7.55， which was more conducive to the long-term preservation of the paper relics. |
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