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| Effect of Microwave Radiation Treatment on the Properties of Dissolving Pulp |
| Received:June 03, 2020 |
| DOI：10.11981/j.issn.1000-6842.2021.01.01 |
| Key Words:reactivity;microwave radiation treatment;polarized water molecules;dissolving pulp;fiber morphology |
| Fund Project:国家自然科学基金（31700520,31971612）；国家重点研发计划（2017YFB0307900）；福建省自然科学基金（2018J05040）；福建农林大学杰出青年科研人才计划（xjq201729）。 |
| Author Name | Affiliation | Postcode | | LI Jianguo* | College of Material Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350002
National Forestry & Grassland Administration Key Laboratory for Plant Fiber Functional Materials， Fuzhou， Fujian Province， 350002 | 350002 | | LIU Xi | College of Material Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350002
National Forestry & Grassland Administration Key Laboratory for Plant Fiber Functional Materials， Fuzhou， Fujian Province， 350002 | 350002 | | HUANG Liulian | College of Material Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350002
National Forestry & Grassland Administration Key Laboratory for Plant Fiber Functional Materials， Fuzhou， Fujian Province， 350002 | 350002 | | NI Yonghao | College of Material Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350002
National Forestry & Grassland Administration Key Laboratory for Plant Fiber Functional Materials， Fuzhou， Fujian Province， 350002 | 350002 | | CHEN Lihui | College of Material Engineering， Fujian Agriculture and Forestry University， Fuzhou， Fujian Province， 350002
National Forestry & Grassland Administration Key Laboratory for Plant Fiber Functional Materials， Fuzhou， Fujian Province， 350002 | 350002 |
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| Abstract: |
| Here a simple yet effective method of microwave radiation treatment to promote the reactive ability of dissolving pulp was developed， the properties of which were characterized by SEM， GPC， FQA， and BET methods. The results showed that the microwave radiation treatment could change the micro structure and morphology of dissolving pulp fibers， and increase the specific surface area， pore diameter， and water retention value of dissolving pulp fibers as well as decrease the molecular weight of the cellulose. A 5 min and 500 W microwave radiation treatment could lead to a 1.4-times improvement of the Fock reactivity of dissolving pulp fibers （from 49% to 83%） and a decrease in the intrinsic viscosity from 930 mL/g to 860 mL/g. |
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