采用高压静电纺丝方法,制备了尼龙66电纺纤维膜,纤维的直径为纳米级.运用场发射扫描电镜(EFSEM)观察了纺丝液的浓度、电压、固化距离等参数对尼龙66电纺纤维膜的纤维分散形态和直径大小的影响,运用XRD分析了纺丝液浓度和电压对电纺纤维结晶度的影响.结果表明,纺丝液浓度对纤维分散形态有决定性作用,尼龙66电纺纤维膜结晶度比未纺丝的尼龙66的结晶度要低得多,并且电压对结晶度影响很大,电压增加使结晶度降低,电纺纤维膜的晶体结构趋于无定型.
参考文献
| [1] | Wu LL;Yuan XY;Sheng J .Immobilization of cellulase in nanofibrous PVA membranes by electrospinning[J].Journal of Membrane Science,2005(1/2):167-173. |
| [2] | Fujihara K;Kotaki M;Ramakrishna S .Guided bone regeneration membrane made of polycaprolactone/calcium carbonate composite nano-fibers[J].Biomaterials,2005(19):4139-4147. |
| [3] | Li WJ;Tuli R;Okafor C;Derfoul A;Danielson KG;Hall DJ;Tuan RS .A three-dimensional nanofibrous scaffold for cartilage tissue engineering using human mesenchymal stem cells.[J].Biomaterials,2005(6):599-609. |
| [4] | Stefania A R;Maurilio S;Peter N et al.[J].Biomaterials,2005,26:4606-4615. |
| [5] | 殷玲玲,王应德,蓝新艳,薛金根,彭善勇,刘绪光.静电纺丝法制备纳米或亚微米纤维的研究进展[J].材料导报,2004(z1):22-24. |
| [6] | Fong H;Chun I;Reneker D H .[J].Polymer,1999,40:4585-4592. |
| [7] | Lee K H;Kim H Y;Bang H J et al.[J].Polymer,2003,44:4029-4034. |
| [8] | Pawlowki K J;Belvin H J;Raney D L et al.[J].Polymer,2003,44:1309-1314. |
| [9] | Ruland W .[J].Journal of Applied Crystallography,1971,4:70-73. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%