Processing and characterization of TLCP fibers reinforced by 1 wt% MWCNT

Youhong Tang, Liming Fang, Ping Gao

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    5 Citations (Scopus)

    Abstract

    A thermotropic liquid crystalline polymer (TLCP) blend with 1 wt% multiwall carbon nanotubes (MWCNTs) was prepared by melt compounding. Morphological observations of the blend show that the chemicaltreated MWCNTs were well dispersed in the TLCP matrix with a good interface. MWCNTs have little effects on the thermal and rheological properties of pure TLCP. TLCP fibers with and without MWCNTs were prepared at certain drawing ratios by a melt spinning method. The degree of orientation of TLCP chains is enhanced by MWCNT microclusters during the fiber formation. The mechanical properties of TLCP/MWCNT fibers are significantly increased by 34.5 % for tensile strength and 38.0 % for tensile modulus in comparison with those of pristine TLCP fibers, due to the synergistic effects of MWCNT and TLCP.

    Original languageEnglish
    Pages (from-to)8094-8102
    Number of pages9
    JournalJournal of Materials Science
    Volume47
    Issue number23
    DOIs
    Publication statusPublished - 2012

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