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http://dx.doi.org/10.5764/TCF.2020.32.3.158

Preparation and Evaluation of Self-cleaning Fabrics using Fe-doped TiO2 and Hexadecyltrimethoxysilane  

Mun, Yejin (Department of Textile System Engineering, Kyungpook National University)
Cho, Seungbin (Department of Textile System Engineering, Kyungpook National University)
Jeong, Euigyung (Department of Textile System Engineering, Kyungpook National University)
Bae, Jin-Seok (Department of Textile System Engineering, Kyungpook National University)
Publication Information
Textile Coloration and Finishing / v.32, no.3, 2020 , pp. 158-166 More about this Journal
Abstract
Self-cleaning fabric is a fabric having a function of decotamination via photodecomposition of photocatalyst or wash-off of contaminants on the superhydrophobic surface. TiO2 is the main photocatalyst for this purpose, but it only functions under UV light which is only a little portion of sunlight, compared to visible light. In this regard, this study aims to investigate Fe-doped TiO2 for improved photodecomposition from visible light sensitization to apply self-cleaning finishing of PET fabrics. Moreover, the Fe-doped TiO2 treated PET fabric was further treated with hexadecyltrimethoxysilane to provide superhydrophobicity on the PET fabrics. As a result of this dual treatment, the prepared fabric exhibited excellent photodecomposition of methylene blue with 96.96% in 12h under sunlight and superhydrophobicity with water contact angle of 166.5° and roll-off angle of 7°. This suggested that the excellent self-cleaning functions can be privided to PET fabric via Fe-doped TiO2 and hexadecyltrimethoxysilane treatment.
Keywords
textile finishing; titanium dioxide; Fe-doped titanium dioxide; hexadecyltrimethoxysilane; photodegradation; superhydrophobic; self cleaning;
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