Preparation Hydrophobic Fabric Coated by TiO2 and Hexadecyltrimethoxysilane

In this research, hydrophobic fabric was prepared using TiO2 and hexadecyl trimethoxysilane (HDTMS). The method of coating was layer by layer. First layer was coated with TiO2 to increase the roughness and the second layer was coated with HDTMS to increase the hydrophobicity. The fabrics that has be...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2019-01, Vol.217 (1)
Main Authors: Handajani, U S, Widati, A A, Yusbainika, I N
Format: Article
Language:English
Subjects:
Ambient temperature
Chloroform
Coatings
Contact angle
Cooking
Cooking oils
Deposition
Fabrics
Hexadecyltrimethoxysilane
Hexanes
Hydrophobic Fabric
Hydrophobicity
TiO
Titanium dioxide
Toluene
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Summary:In this research, hydrophobic fabric was prepared using TiO2 and hexadecyl trimethoxysilane (HDTMS). The method of coating was layer by layer. First layer was coated with TiO2 to increase the roughness and the second layer was coated with HDTMS to increase the hydrophobicity. The fabrics that has been coated TiO2 has a water contact angle about 54.55°, while the fabric that has been coated HDTMS has a water contact angle about 109.79°. In this research, we studied the influence of deposition time and composition of TiO2 and HDTMS. The result showed the optimum deposition time of TiO2 about 60 and 30 min, the optimum concentration of TiO2 and HDTMS about 0.4 and 0.1 M. This optimum condition exposed the water contact angle 135.93°. Characterization of the hydrophobic fabrics was done using IR-ATR showed the wave number of 667.2 cm-1 and 893.1 cm-1 were Ti-O-Ti and Ti-O-Si bond. The result of separation efficiency hydrophobic fabric of the mixture (cooking oil-water, toluene-water, chloroform-water, and hexane-water) were 93.30%, 84.61%, 61.54%, and 23.07%. The hydrophobic fabric was stable towards ambient temperature till 6 weeks, but unfortunately, it was not stable towards detergent.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/217/1/012011