Preparation and characterization of long-term stable pullulan nanofibers via in situ cross-linking electrospinning
Pullulan nanofibers with long-term stabilization were fabricated by using glutaraldehyde as the cross-linking agent and sulfuric acid as the catalyzer via in situ cross-linking electrospinning. The structural, chemical, and thermal analyses have been conducted by field emission scanning electron mic...
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Format: | Article |
Language: | English |
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SAGE Publishing
2019-07-01
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Series: | Adsorption Science & Technology |
Online Access: | https://doi.org/10.1177/0263617418813018 |
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author | Zongjie Li Tiandi Pan Yuke Wu Weimin Kang Yong Liu |
author_facet | Zongjie Li Tiandi Pan Yuke Wu Weimin Kang Yong Liu |
author_sort | Zongjie Li |
collection | DOAJ |
description | Pullulan nanofibers with long-term stabilization were fabricated by using glutaraldehyde as the cross-linking agent and sulfuric acid as the catalyzer via in situ cross-linking electrospinning. The structural, chemical, and thermal analyses have been conducted by field emission scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and differential scanning calorimetry. Cross-linked pullulan nanofibers were found thermally more stable. More importantly, the water absorption and water solubility of the cross-linked pullulan nanofiber membranes were evaluated. The results showed that the water absorption rate increased significantly (from 327% to 651%) and the weight loss rate decreased (from 19.0% to 4.1%) with the increase of glutaraldehyde content. Overall, this in situ cross-linking electrospinning technique provides a method to cross-link pullulan during electrospinning. The cross-linked pullulan nanofibers could be employed as promising materials for a variety of potential applications in adsorption and separation fields. |
format | Article |
id | doaj-art-57d46b97c64d484da7337d33bc1c91bd |
institution | Kabale University |
issn | 0263-6174 2048-4038 |
language | English |
publishDate | 2019-07-01 |
publisher | SAGE Publishing |
record_format | Article |
series | Adsorption Science & Technology |
spelling | doaj-art-57d46b97c64d484da7337d33bc1c91bd2025-01-02T23:12:07ZengSAGE PublishingAdsorption Science & Technology0263-61742048-40382019-07-013710.1177/0263617418813018Preparation and characterization of long-term stable pullulan nanofibers via in situ cross-linking electrospinningZongjie LiTiandi PanYuke WuWeimin KangYong LiuPullulan nanofibers with long-term stabilization were fabricated by using glutaraldehyde as the cross-linking agent and sulfuric acid as the catalyzer via in situ cross-linking electrospinning. The structural, chemical, and thermal analyses have been conducted by field emission scanning electron microscopy, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and differential scanning calorimetry. Cross-linked pullulan nanofibers were found thermally more stable. More importantly, the water absorption and water solubility of the cross-linked pullulan nanofiber membranes were evaluated. The results showed that the water absorption rate increased significantly (from 327% to 651%) and the weight loss rate decreased (from 19.0% to 4.1%) with the increase of glutaraldehyde content. Overall, this in situ cross-linking electrospinning technique provides a method to cross-link pullulan during electrospinning. The cross-linked pullulan nanofibers could be employed as promising materials for a variety of potential applications in adsorption and separation fields.https://doi.org/10.1177/0263617418813018 |
spellingShingle | Zongjie Li Tiandi Pan Yuke Wu Weimin Kang Yong Liu Preparation and characterization of long-term stable pullulan nanofibers via in situ cross-linking electrospinning Adsorption Science & Technology |
title | Preparation and characterization of long-term stable pullulan nanofibers via in situ cross-linking electrospinning |
title_full | Preparation and characterization of long-term stable pullulan nanofibers via in situ cross-linking electrospinning |
title_fullStr | Preparation and characterization of long-term stable pullulan nanofibers via in situ cross-linking electrospinning |
title_full_unstemmed | Preparation and characterization of long-term stable pullulan nanofibers via in situ cross-linking electrospinning |
title_short | Preparation and characterization of long-term stable pullulan nanofibers via in situ cross-linking electrospinning |
title_sort | preparation and characterization of long term stable pullulan nanofibers via in situ cross linking electrospinning |
url | https://doi.org/10.1177/0263617418813018 |
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