Structure, properties, and applications of polyacrylonitrile/carbon nanotube (CNT) fibers at low CNT loading

Mingxuan Lu; Prabhakar V. Gulgunje; Pedro J. Arias-Monje; Jeffrey Luo; Jyotsna Ramachandran; Yudhisthira Sahoo; Sandip Agarwal; Satish Kumar

doi:10.1002/pen.25458

Structure, properties, and applications of polyacrylonitrile/carbon nanotube (CNT) fibers at low CNT loading

Mingxuan Lu, Prabhakar V. Gulgunje, Pedro J. Arias-Monje, Jeffrey Luo, Jyotsna Ramachandran, Yudhisthira Sahoo, Sandip Agarwal, Satish Kumar

Research output: Contribution to journal › Research Article › peer-review

14 Scopus citations

Abstract

Bi-component, polyacrylonitrile (PAN)/carbon nanotube (CNT) fibers were processed, at different core-sheath area ratios, by gel spinning. A percolated CNT network at 10 wt% CNT in the sheath enhanced electrical conductivity as compared to the neat PAN fiber, while PAN polymer in the core contributed to the good mechanical properties. Fibers with relatively thin sheath allowed overall CNT loading as low as 3.7 wt% to be made with good electrical conductivity, and PAN stabilization by Joule heating was demonstrated. Such fibers with combined good mechanical properties and electrical conductivity can also potentially be used for electrical heating of fabrics, for making smart textiles, and for electromagnetic interference shielding.

Original language	English (US)
Pages (from-to)	2143-2151
Number of pages	9
Journal	Polymer Engineering and Science
Volume	60
Issue number	9
DOIs	https://doi.org/10.1002/pen.25458
State	Published - Sep 1 2020
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Chemistry
Polymers and Plastics
Materials Chemistry

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10.1002/pen.25458

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title = "Structure, properties, and applications of polyacrylonitrile/carbon nanotube (CNT) fibers at low CNT loading",

abstract = "Bi-component, polyacrylonitrile (PAN)/carbon nanotube (CNT) fibers were processed, at different core-sheath area ratios, by gel spinning. A percolated CNT network at 10 wt% CNT in the sheath enhanced electrical conductivity as compared to the neat PAN fiber, while PAN polymer in the core contributed to the good mechanical properties. Fibers with relatively thin sheath allowed overall CNT loading as low as 3.7 wt% to be made with good electrical conductivity, and PAN stabilization by Joule heating was demonstrated. Such fibers with combined good mechanical properties and electrical conductivity can also potentially be used for electrical heating of fabrics, for making smart textiles, and for electromagnetic interference shielding.",

author = "Mingxuan Lu and Gulgunje, {Prabhakar V.} and Arias-Monje, {Pedro J.} and Jeffrey Luo and Jyotsna Ramachandran and Yudhisthira Sahoo and Sandip Agarwal and Satish Kumar",

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T1 - Structure, properties, and applications of polyacrylonitrile/carbon nanotube (CNT) fibers at low CNT loading

AU - Lu, Mingxuan

AU - Gulgunje, Prabhakar V.

AU - Arias-Monje, Pedro J.

AU - Luo, Jeffrey

AU - Ramachandran, Jyotsna

AU - Sahoo, Yudhisthira

AU - Agarwal, Sandip

AU - Kumar, Satish

PY - 2020/9/1

Y1 - 2020/9/1

N2 - Bi-component, polyacrylonitrile (PAN)/carbon nanotube (CNT) fibers were processed, at different core-sheath area ratios, by gel spinning. A percolated CNT network at 10 wt% CNT in the sheath enhanced electrical conductivity as compared to the neat PAN fiber, while PAN polymer in the core contributed to the good mechanical properties. Fibers with relatively thin sheath allowed overall CNT loading as low as 3.7 wt% to be made with good electrical conductivity, and PAN stabilization by Joule heating was demonstrated. Such fibers with combined good mechanical properties and electrical conductivity can also potentially be used for electrical heating of fabrics, for making smart textiles, and for electromagnetic interference shielding.

AB - Bi-component, polyacrylonitrile (PAN)/carbon nanotube (CNT) fibers were processed, at different core-sheath area ratios, by gel spinning. A percolated CNT network at 10 wt% CNT in the sheath enhanced electrical conductivity as compared to the neat PAN fiber, while PAN polymer in the core contributed to the good mechanical properties. Fibers with relatively thin sheath allowed overall CNT loading as low as 3.7 wt% to be made with good electrical conductivity, and PAN stabilization by Joule heating was demonstrated. Such fibers with combined good mechanical properties and electrical conductivity can also potentially be used for electrical heating of fabrics, for making smart textiles, and for electromagnetic interference shielding.

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Structure, properties, and applications of polyacrylonitrile/carbon nanotube (CNT) fibers at low CNT loading

Abstract

All Science Journal Classification (ASJC) codes

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