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Producing superior composites by winding carbon nanotubes onto a mandrel under a poly(vinyl alcohol) spray

  • Wei Liu
  • , Xiaohua Zhang
  • , Geng Xu
  • , Philip D. Bradford
  • , Xin Wang
  • , Haibo Zhao
  • , Yingying Zhang
  • , Quanxi Jia
  • , Fuh Gwo Yuan
  • , Qingwen Li
  • , Yiping Qiu
  • , Yuntian Zhu
  • Donghua University
  • North Carolina State University
  • CAS - Suzhou Institute of Nano-Tech and Nano-Bionics
  • Los Alamos National Laboratory

Research output: Contribution to journalArticlepeer-review

126 Scopus citations

Abstract

A simple method for processing high-performance carbon nanotube (CNT)/poly(vinyl alcohol) (PVA) composites by coupling the spraying of a PVA solution with the continuous winding of CNT sheets from an array onto a rotating mandrel is reported. This method allows the CNT composites to have a high CNT volume fraction, while having a high degree of alignment, long CNTs, and good integration with the matrix, which are extremely difficult to realize simultaneously by other processes. As a result, the composites have a toughness, strength and electrical conductivity up to 100 J/g, 1.8 GPa and 780 S/cm, respectively. Such a one-step synthesis process is promising for industrial productions and also works for different types of polymers.

Original languageEnglish
Pages (from-to)4786-4791
Number of pages6
JournalCarbon
Volume49
Issue number14
DOIs
StatePublished - Nov 2011

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