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| Study on the Effects of Two Sterilization and Pest Control Methods on the Physical Properties of Archival Paper |
| Received:December 16, 2024 |
| DOI：10.11980/j.issn.0254-508X.2025.05.014 |
| Key Words:physical properties of paper oil camphor bio-composites agent low temperature freezing method archival paper |
| Fund Project:国家档案局科技项目“运用植物基复合剂进行档案（库）绿色环保杀虫灭菌新技术的研究”（2023-B-019）。 |
| Author Name | Affiliation | Postcode | | ZHANG Xiaoning* | College of Bioengineering, Sichuan University of Science & Engineering, Yibin, Sichuan Province, 644000 | 644000 | | GUAN Xiuqiong* | College of Bioengineering, Sichuan University of Science & Engineering, Yibin, Sichuan Province, 644000 | 644000 | | LIU Chun | College of Bioengineering, Sichuan University of Science & Engineering, Yibin, Sichuan Province, 644000 | 644000 | | ZHANG Yongqi | College of Bioengineering, Sichuan University of Science & Engineering, Yibin, Sichuan Province, 644000 | 644000 | | ZENG Mingquan | Institute of Archival Science and Technology of Sichuan, Chengdu, Sichuan Province, 610036 | 610036 | | LIAO Yongjun | Institute of Archival Science and Technology of Sichuan, Chengdu, Sichuan Province, 610036 | 610036 | | CHENG Fuli | Yibin Senhe Archives Pest Control Co., Ltd., Yibin, Sichuan Province, 644000 | 644000 | | ZHAO Ju | Leshan Product Quality Supervision and Inspection Institute, Leshan, Sichuan Province, 614000 | 614000 |
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| Abstract:The effects of sterilization and pest control methods of archives on the physical properties and strength indicators of paper were investigated in this paper. Method 1（oil camphor bio-composites method）： standard archive boxes containing 1950 published old book and magazine paper， 1987 published old book and magazine paper， 1988 published old book and magazine paper， and 2024 electrostatic photocopy paper were placed in a sealed space spraying with excessive camphor bio-compound for 7 days， respectively. Method 2（low temperature freezing method）： Four types of paper were feezed at -20 ℃ for 10 days and at -50 ℃ for 24 hours， respectively. Both physical properties （the tensile strength， fracture length， elongation， tear strength， burst strength， and flexural strength） of the processed paper samples by the two methods and blank group paper samples were measured. The results showed that the maximum negative change rates of the physical properties and strength indicators of the paper sample after being treated with camphor biocomposite agent and low temperature freezing were 0.89% and 0.91%， respectively， and the maximum positive change rates were 0.73% and 0.99%， respectively. The maximum negative change rate and maximum positive change rate of the polymerization degree of the paper sample cellulose after treatment with camphor bio-composite agent were 1.98% and 0.98%， respectively. The physical properties， strength indicators， and cellulose polymerization degree of the paper treated with two sterilization and insecticide methods showed no significant changes. At the same time， fourier transform infrared spectroscopy analysis showed no significant changes in the chemical structure of the paper sample before and after treatment. |
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