Journal
JOURNAL OF THE TEXTILE INSTITUTE
Volume 109, Issue 6, Pages 750-756Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00405000.2017.1368107
Keywords
Electrospinning; pullulan; ethylene glycol diglycidyl ether; crosslinking
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Funding
- National Natural Science Foundation of China [51673148]
- Science and Technology Plans of Tianjin [16JCTPJC45600, 16PTSYJC00110, 15PTSYJC00230]
- Chang-jiang Scholars and Innovative Research Team in University of Ministry of Education of China [IRT13084]
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Pullulan nanofiber membrane (Pull-NM) was prepared by electrospinning method and its stability in the water was improved by a chemical crosslinking with mixed solution of ethylene glycol diglycidyl ether (EGDE) and ethanol absolute as crosslinking agent. The effect of crosslinked pullulan nanofiber membrane (C-l-Pull-NM) with different process conditions was studied and the excellent crosslinking reaction condition is proved to be 1:70 (EGDE: ethanol absolute) for 24h. The analytical methods, including SEM, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and differential scanning calorimetry, were used to study morphology, structure, and thermal performance of the nanofiber membrane. In addition, the swelling behavior and tensile were also discussed. The results showed that the water resistance of crosslinked nanofiber membrane had a significant improvement. Furthermore, the maximum water absorption and the strength were reached to about 520 and 192.7%, respectively.
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