Fabrication and characterization of TiO2/poly(dimethyl siloxane) composite fibers with thermal and mechanical stability
Citations Over TimeTop 23% of 2009 papers
Abstract
Abstract The mechanical stability of titania (TiO 2 ) nanofibers was improved by fabricating TiO 2 /poly(dimethyl siloxane) (PDMS) composite fibers using a combination of hybrid electrospinning and sol‐gel methods, followed by heat treatment at 250°C for 3 h. The compositions (90/10, 80/20, and 70/30, w/w) of the TiO 2 /PDMS composite fibers were varied by adjusting the flow rate of the PDMS sol with the flow rate of TiO 2 sol fixed. There was no significant change in morphology and average diameter of the as‐spun TiO 2 /PDMS fibers after heat treatment. Both the tensile strength and modulus of the TiO 2 /PDMS composite fibers increased gradually with increasing PDMS content up to 30 wt %. In addition, from the photo‐degradation reaction of methylene blue, the photocatalytic activity of TiO 2 /PDMS composite fibers was strongly dependent on the TiO 2 content (%) in the composite fibers. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2010
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