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| Main Properties and Quality Control Technologies of Dissolving Pulp for Lyocell Fiber Production |
| Received:February 09, 2023 Revised:February 25, 2023 |
| DOI：10.11981/j.issn.1000-6842.2024.01.47 |
| Key Words:Lyocell fiber;NMMO solvent;dissolving pulp;technology |
| Fund Project:湖南省创新创业技术投资项目（2018GK5054）；湖南省企业科技特派员项目（2021020）。 |
| Author Name | Affiliation | Postcode | | LUO Qiuxia | School of Chemistry and Chemical Engineering， Changsha University of Science & Technology， Changsha， Hunan Province， 410114 | 410114 | | ZHANG Xutao | School of Chemistry and Chemical Engineering， Changsha University of Science & Technology， Changsha， Hunan Province， 410114 | 410114 | | MA Lefan* | School of Chemistry and Chemical Engineering， Changsha University of Science & Technology， Changsha， Hunan Province， 410114 | 410114 | | ZHOU Kunpeng | Hunan Juntai New Material Technology Co.， Ltd.， Huaihua， Hunan Province， 418000 | 418000 | | XU Yingsheng | Hunan Juntai New Material Technology Co.， Ltd.， Huaihua， Hunan Province， 418000 | 418000 | | LIN Benping | School of Chemistry and Chemical Engineering， Changsha University of Science & Technology， Changsha， Hunan Province， 410114 | 410114 | | XIE Wufei | Hunan Juntai New Material Technology Co.， Ltd.， Huaihua， Hunan Province， 418000 | 418000 | | YUAN Zhaobing | Hunan Juntai New Material Technology Co.， Ltd.， Huaihua， Hunan Province， 418000 | 418000 |
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| Abstract: |
| Lyocell is a type of eco-friendly high-performance regenerated cellulose fiber. Its manufacturing technology differs greatly from viscose fiber in principle， process and equipment. The production of Lyocell fiber requires better quality dissolving pulp than that of viscose fiber. The manufacturing process of Lyocell fiber was introduced in this paper firstly. The influence of the chemical compositions of dissolving pulp for Lyocell fiber， macromolecular properties of cellulose， crystalline structure on the production of Lyocell fiber， especially on the dissolution of the dissolving pulp in 4-Methylmorpholine N-oxide Hydrate （NMMO） solvent， were discussed emphasizedly. The main specifications and quality control technology of the dissolving pulp for Lyocell fiber manufacturing were proposed to provide guidance for the research and production of dissolving pulp for Lyocell fiber. |
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