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The effect of nano-titanium dioxide on the self-cleaning properties of TiO2-PP composite fibers

Panutumrong, Praripatsaya;Metanawin, Siripan;Metanawin, Tanapak

  • Received : 2015.06.05
  • Accepted : 2015.11.07
  • Published : 2015.12.31

Abstract

This study aims to synthesis the self-cleaning fibers. The nano-titanium dioxide ($TiO_2$) were blend with the polypropylene (grade 561R) at 1wt%, 3wt%, 5wt%, 10wt%, 15wt% and 20wt%. The $TiO_2$-fibers were obtained from single screw extruder. The mechanical, thermal, rheology and self-cleaning properties were also investigated. The results showed that the tensile strength of the $nTiO_2$-PP fibers decreased with increasing of the amount of $TiO_2$. The presents of the $TiO_2$ in the PP fibers significantly showed the improving of the self-cleaning properties under sunlight and 20 watt of UV radiation. The $TiO_2$-PP fibers in presents of $TiO_2$ 20wt% showed the best results of self-cleaning under 5 hours of the sunlight which the similar results were found under 5 hours of 20 watts of UV radiation.

Keywords

Titanium dioxide;PP fiber;self-cleaning;polymer blend and polymer composite

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