期刊
CARBOHYDRATE POLYMERS
卷 183, 期 -, 页码 62-69出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2017.11.032
关键词
Cellulose; Electrospinning; Tree-like nanofiber; Deacetylation
资金
- National Natural Science Foundation of China [51673148]
- Science and Technology Plans of Tianjin [16JCTPJC45600, 16PTSYJC00110, 15PTSYJC00230]
- Innovative Research Team in University of Ministry of Education of China [IRT13084]
A novel tree-like cellulose nanofiber membrane was controllably fabricated via the electrospinning method by adding certain amount of tetra butyl ammonium chloride (TBAC) into the cellulose acetate solution followed by a deacetylation treatment process. The morphological structure, material structure and air filtration performance of both the cellulose and the cellulose acetate tree-like nanofiber membranes were characterized. Water contact angles, mechanical properties, and air filtration properties were also evaluated. The air filtration efficiency of cellulose acetate tree-like nanofiber membrane can reached 99.58%, and the eventually cellulose tree-like membrane still maintain 98.37%. The eventual cellulose tree-like nanofiber membranes exhibited small pore size, excellent hydrophilicity, good solvent resistance and preferable mechanical property. The small average pore size caused by the tree-like structure and the strong resistance to organic solvent can make it a potential candidate for the membrane separation.
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