Functional polymer-polymer/carbon nanotube bi-component fibers

被引：27

作者：

Chien, An-Ting ^{[1
]}

Gulgunje, Prabhakar V. ^{[1
]}

Chae, Han Gi ^{[1
]}

Joshi, Aniruddha S. ^{[2
]}

Moon, Jaeyun ^{[2
]}

Feng, Bo ^{[2
]}

Peterson, G. P. ^{[2
]}

Kumar, Satish ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[2] Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA

来源：

POLYMER | 2013年 / 54卷 / 22期

基金：

美国国家科学基金会;

关键词：

Nano-composite; Carbon nanotube; Bi-component fibers; MULTIWALLED CARBON NANOTUBES; COMPOSITE FIBERS; THERMAL-CONDUCTIVITY; ELECTRICAL-CONDUCTIVITY; MECHANICAL-PROPERTIES; SHELL NANOFIBERS; TENSILE-STRENGTH; ELASTIC-MODULUS; HEAT-FLOW; MELT;

D O I：

10.1016/j.polymer.2013.08.061

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Bi-component fibers typically combine multiple functions that arise from at least two distinct components. As a result, these fibers can incorporate carbon nanotubes, which impart specific and controllable mechanical, electrical, and thermal transport properties to the fibers. Using gel spinning, sheath-core polyacrylonitrile-polyacrylonitrile/carbon nanotube bi-component fibers with a diameter of less than 20 mu m and carbon nanotube concentrations of up to 10 wt% were produced. In these fibers, the carbon nanotubes were well dispersed and aligned along the fiber axis. The fibers exhibited a tensile strength as high as 700 MPa, and a tensile modulus as high as 20 GPa, as well as enhanced electrical and thermal conductivities when compared to the fibers without carbon nanotubes. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：6210 / 6217

页数：8

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