Multiwalled carbon nanotube (MWCNT) reinforced cellulose fibers by electrospinning

Ping Lu, You Lo Hsieh

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141 Scopus citations


Multiwalled carbon nanotubes (MWCNTs) were successfully incorporated in ultrafine cellulose fibers by electrospinning MWCNT-loaded cellulose acetate (CA) solutions, followed by deacetylation of CA to cellulose (cell). The mean fiber diameter reduced from 321 nm of the as-spun fibers to 257 and 228 nm of those with 0.11 and 0.55 wt % MWCNTs, respectively, and became more uniform. Hydrolysis of CA to cell further reduced the mean fiber sizes by another 8-16%. The MWCNTs were observed to be well-aligned along the fiber axes. The MWCNT/cell composite fibers had increased specific surface, from 4.27 m2/g to 5.07 and 7.69 m2/g at 0.11 and 0.55 wt % MWCNTs, respectively, and much improved water wettability. The mechanical properties of the fibers were also greatly enhanced with increased MWCNT loading levels. The fact that MWCNTs were observed in only about a third of the fibers at a very low 0.55 wt % loading suggests significantly higher tensile strength may be achieved by a further increase in MWCNT loadings.

Original languageEnglish (US)
Pages (from-to)2413-2420
Number of pages8
JournalACS Applied Materials and Interfaces
Issue number8
StatePublished - Aug 25 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Materials Science


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