Enhancing Crystallinity and Orientation by Hot-Stretching to Improve the Mechanical Properties of Electrospun Partially Aligned Polyacrylonitrile (PAN) Nanocomposites
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials
2.2. Formation of Electrospun PAN Nanofibers and PAN/SWNTs Composite Nanofibers
2.3. Hot-Stretching
2.4. Morphologies of Nanofibers
2.5. Crystallinities and Orientation of the As-Spun and Hot-Stretched PAN Nanofibers
2.6. Thermal Analysis
2.7. Mechanical Properties
3. Results and Discussion
3.1. Morphologies
3.2. Morphology of SWNTs in PAN/SWNTs Composite Nanofibers
3.3. Crystallinities and Orientation of the As-Spun and Hot-Stretched PAN Nanofibers
Nanofiber | Crystallinity (%) | Crystallite size(nm) | Orientation factor f |
---|---|---|---|
As-spun | 11.27 | 4.14 | 0.22 |
Hot-stretched | 38.34 | 10.83 | 0.76 |
3.4. Thermal Behavior
3.5. Mechanical Properties
4. Conclusions
Acknowledgements
References
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Song, Z.; Hou, X.; Zhang, L.; Wu, S. Enhancing Crystallinity and Orientation by Hot-Stretching to Improve the Mechanical Properties of Electrospun Partially Aligned Polyacrylonitrile (PAN) Nanocomposites. Materials 2011, 4, 621-632. https://doi.org/10.3390/ma4040621
Song Z, Hou X, Zhang L, Wu S. Enhancing Crystallinity and Orientation by Hot-Stretching to Improve the Mechanical Properties of Electrospun Partially Aligned Polyacrylonitrile (PAN) Nanocomposites. Materials. 2011; 4(4):621-632. https://doi.org/10.3390/ma4040621
Chicago/Turabian StyleSong, Zhenyu, Xiaoxiao Hou, Liqun Zhang, and Sizhu Wu. 2011. "Enhancing Crystallinity and Orientation by Hot-Stretching to Improve the Mechanical Properties of Electrospun Partially Aligned Polyacrylonitrile (PAN) Nanocomposites" Materials 4, no. 4: 621-632. https://doi.org/10.3390/ma4040621