| Effects of Stretching Ratio and Temperature on Phase Transition of Melt-spun Poly （Vinylidene Fluoride） Fibers |
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| 引用本文： | ZHANG Hua REN Ping ZHANG Guifang XIAO Changfa. Effects of Stretching Ratio and Temperature on Phase Transition of Melt-spun Poly （Vinylidene Fluoride） Fibers[J]. 武汉理工大学学报(材料科学英文版), 2006, 21(4): 53-55. DOI: 10.1007/BF02841204 |
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| 作者姓名： | ZHANG Hua REN Ping ZHANG Guifang XIAO Changfa |
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| 作者单位： | School of Science, Tianjin Polytechnic University, Tianjin 300160, China |
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| 摘 要： | The effects of stretching ratio and stretching temperature on pbase transition of melt-spun poly （ vinylidene fluoride ） fibers were investigated and analyzed by using scanning electron microscopy, wide angle X- ray diffraction, differential scanning calorimetry and Fourier transfer infrared spectroscopy. The β phase exists in the as-spun fiber. The β phase content increases as the stretching ratio increases. When the stretching temperature is lower than 100 ℃ , enhancing temperature is good for the transition of phase a to ft. By contrast, when the stretching temperature is higher than 100 ℃ , enhancing temperature is unfavourable for the transition of phase a to β. Increasing the draw temperature increases the α-phase content.
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| 关 键 词： | β-phase crystal α-phase crystal |
| 收稿时间： | 2005-02-15 |
| 修稿时间： | 2006-05-23 |
Effects of Stretching ratio and temperature on phase transition of melt-spun poly (vinylidence Fluoride) fibers |
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| Zhang Hua Ph D,Ren Ping,Zhang Guifang,Xiao Changfa. Effects of Stretching ratio and temperature on phase transition of melt-spun poly (vinylidence Fluoride) fibers[J]. Journal of Wuhan University of Technology. Materials Science Edition, 2006, 21(4): 53-55. DOI: 10.1007/BF02841204 |
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| Authors: | Zhang Hua Ph D Ren Ping Zhang Guifang Xiao Changfa |
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| Affiliation: | (1) School of Science, Tianjin Polytechnic University, 300160 Tianjin, China |
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| Abstract: | The effects of stretching ratio and stetching temperature on phase transition of melt-spun poly (vinylidene fluoride) fibers were investigated and analyzed by using scanning electron microscopy, wide angle X-ray diffraction, differential scanning calorimetry and Fourier transfer infrared spectroscopy. The β phase exists in the as-spun fiber. The β phase content increases as the stretching ratio increases. When the stretching temperature is lower than 100°C, enhancing temperature is good for the transition of phase α to β. By contrast, when the stretching temperature is higher than 100°C, enhancing temperature is unfavourable for the transition of phase α to β. Increasing the draw temperature increases the α-phase content Funded by the Tianjin Natural Science Foundation (No. 003602611). |
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| Keywords: | poly(vinylidene fluoride) melt-spun |
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