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Mechanical, Thermal and Photocatalytic Properties of Hybrid TiO2/PET Fiber Composite

This study investigates the effects of the hybrid TiO2 polymerin PET fiber on the mechanical properties, thermal properties, and self-cleaning properties. The results showed that the tensile strength of the hybrid TiO2/PET composite fibers decreased with the increasing contents of TiO2 in polymer matrix. The contents of TiO2 in the composite fibers had no impact on the thermal properties of the fibers, but the %Crystalline of the composite fibers increased with the contents of TiO2 in the composite fibers. The photocatalytic characteristics of the composite fibers were studied through self-cleaning properties. The presence of contents of hybrid TiO2 in the PET fiber significantly showed the improvement of the self-cleaning properties under UV-A radiation. The hybrid TiO2/PET fibers in the presence of TiO2 10wt% showed the best results of self-cleaning under the 24 hours of UV radiation exposure period.