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http://dx.doi.org/10.5764/TCF.2018.30.4.245

Surface Characteristics, Antimicrobial and Photodegradation Effect of Cotton Fibers Coated with TiO2 Nanoparticles and 3-Mercaptopropyltrimethoxysilane(3-MPTMS)  

Park, Sujin (Department of Fiber System Engineering, Yeungnam University)
Lee, Jaewoong (Department of Fiber System Engineering, Yeungnam University)
Kim, Sam Soo (Department of Fiber System Engineering, Yeungnam University)
Lee, Sang Oh (Department of Clothing and Fashion, Yeungnam University)
Publication Information
Textile Coloration and Finishing / v.30, no.4, 2018 , pp. 245-255 More about this Journal
Abstract
In this study, cotton fabrics were coated with $TiO_2$ nanoparticles using 3-mercaptopropyltrimethoxysilane(3-MPTMS), which is highly reactive to cotton fabrics, as a medium, and the characteristics, antimicrobial properties, and photodegradation properties of the fibers were measured. The manufacturing process is as follows. (1) 3-MPTMS was added to isopropanol, and $TiO_2$ colloid was added to the mixture to prepare a solution. (2) Cellulose fibers were immersed in the prepared $3-MPTMS/TiO_2$ solution, stirred for 90 minutes at $45^{\circ}C$ in a constant temperature water bath, and dried thereafter. In order to identify the morphology of the cellulose fibers coated with $TiO_2$ nanoparticles, the surface was observed with a scanning electron microscope(SEM), and SEM-EDS was measured to identify the adhesion of $TiO_2$ nanoparticles. The SEM images showed $TiO_2$ nanoparticle and 3-MPTMS coated layers on the fibers and it was identified that $TiO_2$ nanoparticles were attached to the cellulose fibers. The antimicrobial activity of $3-MPTMS/TiO_2$-treated cotton fabrics was measured using a bacterial reduction method. $3-MPTMS/TiO_2$ cellulose fibers which was irradiated by ultra violet light, showed antimicrobial activity against Escherichia coli(ATCC 43895) and Staphylococcus aureus(ATCCBAA-1707) unlike unirradiated fibers. The cellulose fibers were stained with methylene blue and the photodegradation performance of the stained fabrics was analyzed. The stained fabrics showed high degradation performance with photolytic reactions of $TiO_2$ nanoparticles.
Keywords
cellulose fiber; polysiloxanes; $TiO_2$ nanoparticles; antimicrobial; self-cleaning; photodegradation;
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Times Cited By KSCI : 2  (Citation Analysis)
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