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| Study on the Inhibitory Effect of Microwave Puffing Treatment on the Quality Deterioration of Bagasse Fibers During Reuse Process |
| Received:August 15, 2024 |
| DOI：10.11980/j.issn.0254-508X.2025.01.017 |
| Key Words:bagasse microwave puffing keratinization reused fiber mechanical properties |
| Fund Project:国家自然科学基金（22068017）；云南省教育厅可降解塑料工程研究中心（KKPU202205001）。 |
| Author Name | Affiliation | Postcode | | OU Zhihong | Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500 | 650500 | | LEI Wanruo | Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500 | 650500 | | LI Jiahao | Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500 | 650500 | | HUANG Jizhen | Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500 | 650500 | | LIU Yuxin* | Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, Yunnan Province, 650500
The Degradable Plastics Engineering Research Center of Yunnan Provincial Education Department, Kunming, Yunnan Province, 650000 | 650000 |
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| Abstract:In this study， ammonium bicarbonate was used as the blowing agent to treat reused bagasse fibers with microwave puffing technology in order to the quality deterioration of fibers during reuse process. The results showed that the lignification degree of reused bagasse fibers at 28， 45， and 80 °SR increased dramatically after first reuse， while the maximum increase in the lignification degree of paper prepared from 13 °SR fibers occurred at 6th reuse. After the microware expanded treatment of 13， 28， 45， and 80 °SR bagasse fibers at the of maximum lignification， the tensile index of the prepared paper increased by 20.8%， 15.7%， 21.4%， 11.3%， respectively， and the water retention value of the paper also increased. After microwave expansion， the reused bagasse fibers changed from a flat to a hollow columnar structure， and the crystallinity was significantly reduced， which inhibited the quality deterioration. |
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