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Preparation and characterization of titanium dioxide nanocomposite fibers

  • Polymer Fibres 2006
  • Published:
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Abstract

Titanium dioxide and polypropylene fibers were prepared by melt-compounding and sputter coating, respectively. Energy dispersive x-ray analysis (EDX) confirmed the presence of titanium dioxide in the fibers. Through the application of environmental scanning electron microscopy (ESEM) and scanning probe microscopy (SPM), it was found that incorporating the titanium dioxide by melt-compounding caused severe aggregation of the titanium dioxide nanoparticles at the polypropylene fiber surface. Indeed, coverage of the fiber surface by titanium dioxide was poor. By contrast, the coverage of the sputter coated fiber surfaces was much more consistent, although aggregation of the titanium dioxide nanoparticles still appeared quite extensive. The behavior of the nanocomposite fiber surfaces was investigated using dynamic contact angle measurements by the Wilhelmy technique. Only a small increase in hydrophilicity of the polypropylene fibers was observed after melt-compounding with titanium dioxide, but a larger increase was noted after sputter coating. UV irradiation appreciably enhanced the hydrophilicity of the fiber surfaces in both cases.

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Acknowledgment

This work was supported by the Key Project of the Chinese Ministry of Education (No. 106089) and the Program for New Century Excellent Talents in University (NCET-06-0485).

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Correspondence to Qufu Wei.

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Wei, Q., Yu, L., Mather, R.R. et al. Preparation and characterization of titanium dioxide nanocomposite fibers. J Mater Sci 42, 8001–8005 (2007). https://doi.org/10.1007/s10853-007-1582-1

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  • DOI: https://doi.org/10.1007/s10853-007-1582-1

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