High-Speed Centrifugal Spinning Polymer Slip Mechanism and PEO/PVA Composite Fiber Preparation
Composite nanofibers with excellent physical and chemical properties are widely used in new energy, biomedical, environmental, electronic, and other fields. Their preparation methods have been investigated extensively by many experts. High-speed centrifugal spinning is a novel method used to fabrica...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-04-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/13/7/1277 |
| _version_ | 1797607290811973632 |
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| author | Peiyan Ye Qinghua Guo Zhiming Zhang Qiao Xu |
| author_facet | Peiyan Ye Qinghua Guo Zhiming Zhang Qiao Xu |
| author_sort | Peiyan Ye |
| collection | DOAJ |
| description | Composite nanofibers with excellent physical and chemical properties are widely used in new energy, biomedical, environmental, electronic, and other fields. Their preparation methods have been investigated extensively by many experts. High-speed centrifugal spinning is a novel method used to fabricate composite nanofibers. The slip mechanism of polymer solution flows is an important factor affecting the morphology and quality of composite nanofibers prepared by high-speed centrifugal spinning. As the polymer solution flows, the liquid wall slip occurs inside the nozzle, followed by liquid–liquid interface slip and gas–liquid interface slip. The factors affecting polymer slip were investigated by developing a mathematical model in the nozzle. This suggests that the magnitude of the velocity is an important factor that affects polymer slip and determines fiber quality and morphology. Under the same rotational speed, the smaller the nozzle diameter, the greater the concentration of velocity distribution and the smaller the diameter of the produced composite nanofibers. Finally, PEO/PVA composite nanofibers were prepared using high-speed centrifugal spinning equipment at 900–5000 rpm and nozzle diameters of 0.2 mm, 0.4 mm, 0.6 mm, and 0.8 mm. The morphology and quality of the collected PEO/PVA composite nanofibers were analyzed using scanning electron microscopy (SEM) and TG experiments. Then, the optimal parameters for the preparation of PEO/PVA composite nanofibers by high-speed centrifugal spinning were obtained by combining the external environmental factors in the preparation process. Theoretical evaluation and experimental data were provided for the centrifugal composite spinning slip mechanism and for the preparation of composite nanofibers. |
| first_indexed | 2024-03-11T05:29:07Z |
| format | Article |
| id | doaj.art-c4f1bfb9ffbd4b8ba728ecbea0a3eaa5 |
| institution | Directory Open Access Journal |
| issn | 2079-4991 |
| language | English |
| last_indexed | 2024-03-11T05:29:07Z |
| publishDate | 2023-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Nanomaterials |
| spelling | doaj.art-c4f1bfb9ffbd4b8ba728ecbea0a3eaa52023-11-17T17:18:16ZengMDPI AGNanomaterials2079-49912023-04-01137127710.3390/nano13071277High-Speed Centrifugal Spinning Polymer Slip Mechanism and PEO/PVA Composite Fiber PreparationPeiyan Ye0Qinghua Guo1Zhiming Zhang2Qiao Xu3School of Mechanical Engineering and Automation, Wuhan Textile University, Wuhan 430200, ChinaSchool of Mechanical Engineering and Automation, Wuhan Textile University, Wuhan 430200, ChinaHubei Digital Textile Equipment Key Laboratory, Wuhan Textile University, Wuhan 430200, ChinaSchool of Mechanical Engineering and Automation, Wuhan Textile University, Wuhan 430200, ChinaComposite nanofibers with excellent physical and chemical properties are widely used in new energy, biomedical, environmental, electronic, and other fields. Their preparation methods have been investigated extensively by many experts. High-speed centrifugal spinning is a novel method used to fabricate composite nanofibers. The slip mechanism of polymer solution flows is an important factor affecting the morphology and quality of composite nanofibers prepared by high-speed centrifugal spinning. As the polymer solution flows, the liquid wall slip occurs inside the nozzle, followed by liquid–liquid interface slip and gas–liquid interface slip. The factors affecting polymer slip were investigated by developing a mathematical model in the nozzle. This suggests that the magnitude of the velocity is an important factor that affects polymer slip and determines fiber quality and morphology. Under the same rotational speed, the smaller the nozzle diameter, the greater the concentration of velocity distribution and the smaller the diameter of the produced composite nanofibers. Finally, PEO/PVA composite nanofibers were prepared using high-speed centrifugal spinning equipment at 900–5000 rpm and nozzle diameters of 0.2 mm, 0.4 mm, 0.6 mm, and 0.8 mm. The morphology and quality of the collected PEO/PVA composite nanofibers were analyzed using scanning electron microscopy (SEM) and TG experiments. Then, the optimal parameters for the preparation of PEO/PVA composite nanofibers by high-speed centrifugal spinning were obtained by combining the external environmental factors in the preparation process. Theoretical evaluation and experimental data were provided for the centrifugal composite spinning slip mechanism and for the preparation of composite nanofibers.https://www.mdpi.com/2079-4991/13/7/1277centrifugal spinningslippagecomposite nanofibersfiber morphology |
| spellingShingle | Peiyan Ye Qinghua Guo Zhiming Zhang Qiao Xu High-Speed Centrifugal Spinning Polymer Slip Mechanism and PEO/PVA Composite Fiber Preparation Nanomaterials centrifugal spinning slippage composite nanofibers fiber morphology |
| title | High-Speed Centrifugal Spinning Polymer Slip Mechanism and PEO/PVA Composite Fiber Preparation |
| title_full | High-Speed Centrifugal Spinning Polymer Slip Mechanism and PEO/PVA Composite Fiber Preparation |
| title_fullStr | High-Speed Centrifugal Spinning Polymer Slip Mechanism and PEO/PVA Composite Fiber Preparation |
| title_full_unstemmed | High-Speed Centrifugal Spinning Polymer Slip Mechanism and PEO/PVA Composite Fiber Preparation |
| title_short | High-Speed Centrifugal Spinning Polymer Slip Mechanism and PEO/PVA Composite Fiber Preparation |
| title_sort | high speed centrifugal spinning polymer slip mechanism and peo pva composite fiber preparation |
| topic | centrifugal spinning slippage composite nanofibers fiber morphology |
| url | https://www.mdpi.com/2079-4991/13/7/1277 |
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