Orientation of Well-Dispersed Multiwalled Carbon Nanotubes in Melt-Spun Polymer Fibers and Its Impact on the Formation of the Semicrystalline Polymer Structure: A Combined Wide-Angle X-ray Scattering and Electron Tomography Study
Orientation of Well-Dispersed Multiwalled Carbon Nanotubes in Melt-Spun Polymer Fibers and Its Impact on the Formation of the Semicrystalline Polymer Structure: A Combined Wide-Angle X-ray Scattering and Electron Tomography Study
复制标题
熔纺聚合物纤维中分散良好的多壁碳纳米管的取向及其对半晶聚合物结构形成的影响:广角 X 射线散射和电子断层扫描相结合的研究
DOI:
10.1021/ma4001226
复制
发表时间:
2013
期刊:
影响因子:
5.5
通讯作者:
Weirich
中科院分区:
文献类型:
--
作者:
Wulfhorst;Steinmann;Dabringhaus;Beckers;Heidelmann;Weirich
The orientation behavior of well-dispersed multiwalled carbon nanotubes (CNTs) within high-speed melt-spun semicrystalline polymer fibers has for the first time been studied using three-dimensional reconstructions from bright-field transmission electron microscopy (TEM) tomography. The local investigation technique allows separating contributions stemming from additionally present CNT aggregates. Over a relatively narrow draw ratio range applied during the fiber production process, a transition region is found, in which the CNTs change their orientation from being aligned perpendicular to being aligned parallel to the fiber axis. Complementary performed wide-angle X-ray scattering measurements and mechanical analysis of the polymer/CNT nanocomposite fibers reveal a strong correlation between the CNT orientation and the structural and mechanical properties of the fibers. Characteristic quantities such as crystallinity, crystal size, and correlation length parameters of crystalline and amorphous polymer chains undergo significant changes within the CNT orientation transition region indicative of a cooperative process.
登录
查看更多内容
DOI:
--
发表时间:
1993
期刊:
影响因子:
--
作者:
Yigang Fu;W. Busing;Yimin Jin;K. Affholter;B. Wunderlich
通讯作者:
B. Wunderlich
影响因子:
2.3
作者:
W. Steinmann;S. Walter;T. Gries;G. Seide;G. Roth
通讯作者:
W. Steinmann;S. Walter;T. Gries;G. Seide;G. Roth
影响因子:
4.6
作者:
Eken, A. E.;Tozzi, E. J.;Bauhofer, W.
通讯作者:
Bauhofer, W.
DOI:
--
发表时间:
2010
期刊:
影响因子:
--
作者:
Kazuhisa Sato;K. Aoyagi;T. Konno
通讯作者:
T. Konno
DOI:
--
发表时间:
2003
期刊:
影响因子:
--
作者:
M. Sennett;E. Welsh;J. Wright;Wenzhi Li;J. Wen;Z. Ren
通讯作者:
Z. Ren