Aramid-Assisted Acid Spinning of Continuous Multi-Walled Carbon Nanotube Fibers for Twisted, Robust, and Multifunctional Yarns

Jian Liang Gong, Bingang Xu, Xiaoming Tao

Research output: Journal article publicationJournal articleAcademic researchpeer-review

4 Citations (Scopus)

Abstract

KGaA, Weinheim. An aramid-assisted acid spinning strategy was developed for rapid fabrication of continuous macroscopic multi-walled carbon nanotube (MWCNT) fibers by dispersing MWCNTs and Kevlar into most widely used concentrated sulfuric acid (>95%). The resultant fibers comprising over 85 wt% MWCNTs had a high strain rate of approximately 11.90%, and held enough mechanical strength for further twisting. The twisted three-ply yarns maintained the high-elastic character of single fibers (up to 13.18%), meanwhile possessed a high tensile load capacity of 360.24 mN, and a good conductivity of 154.43 S · cm-1, which were believed to have promising applications for wearable electronics, energy conversion and storage devices in harsh environments.
Original languageEnglish
Pages (from-to)954-959
Number of pages6
JournalMacromolecular Materials and Engineering
Volume300
Issue number10
DOIs
Publication statusPublished - 1 Jan 2015

Keywords

  • continuous fiber
  • Kevlar
  • multi-walled carbon nanotube
  • twisted yarn
  • wet spinning

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Organic Chemistry
  • Polymers and Plastics
  • Materials Chemistry

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