Abstract

This study aims to synthesis the self-cleaning fibers. The nano-titanium dioxide (<TEX>$TiO_2$</TEX>) were blend with the polypropylene (grade 561R) at 1wt%, 3wt%, 5wt%, 10wt%, 15wt% and 20wt%. The <TEX>$TiO_2$</TEX>-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 <TEX>$nTiO_2$</TEX>-PP fibers decreased with increasing of the amount of <TEX>$TiO_2$</TEX>. The presents of the <TEX>$TiO_2$</TEX> in the PP fibers significantly showed the improving of the self-cleaning properties under sunlight and 20 watt of UV radiation. The <TEX>$TiO_2$</TEX>-PP fibers in presents of <TEX>$TiO_2$</TEX> 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.

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