Self-cleaning and superhydrophilic wool by TiO                         2                         /SiO                         2                          nanocomposite

Esfandiar Pakdel; Walid A. Daoud; Xungai Wang

doi:10.1016/j.apsusc.2012.10.141

Self-cleaning and superhydrophilic wool by TiO ₂ /SiO ₂ nanocomposite

Esfandiar Pakdel, Walid A. Daoud, Xungai Wang (Corresponding Author)

Research output: Journal article publication › Journal article › Academic research › peer-review

154 Citations (Scopus)

Abstract

Wool fabrics were functionalised using TiO ₂ and TiO ₂ /SiO ₂ nanocomposites through a low-temperature sol-gel method. Titanium terta isopropoxide (TTIP) and tetra ethylorthosilicate (TEOS) were employed as precursors of TiO ₂ and SiO ₂ , respectively. Nanocomposite sols were devised based on three molar ratio percentages of TiO ₂ /SiO ₂ 70:30, 50:50, and 30:70 to investigate the role of each component. The self-cleaning and hydrophilicity of wool fabrics were analysed based on the removal of coffee stain under UV and water droplet contact angle measurements, respectively. It was observed that applying TiO ₂ /SiO ₂ 50:50 and 30:70 sols to wool rendered the fabric superhydrophilic. Fabrics functionalised with TiO ₂ / SiO ₂ 30:70 showed the highest efficiency in stain removal, followed by samples functionalised with TiO ₂ /SiO ₂ 50:50.

Original language	English
Pages (from-to)	397-402
Number of pages	6
Journal	Applied Surface Science
Volume	275
DOIs	https://doi.org/10.1016/j.apsusc.2012.10.141
Publication status	Published - 15 Jun 2013
Externally published	Yes

Keywords

Self-cleaning
Sol-gel
Superhydrophilicity
TEOS
TTIP
Wool

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
General Physics and Astronomy
Surfaces and Interfaces
Surfaces, Coatings and Films

More information

10.1016/j.apsusc.2012.10.141

Cite this

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title = "Self-cleaning and superhydrophilic wool by TiO 2 /SiO 2 nanocomposite",

abstract = " Wool fabrics were functionalised using TiO 2 and TiO 2 /SiO 2 nanocomposites through a low-temperature sol-gel method. Titanium terta isopropoxide (TTIP) and tetra ethylorthosilicate (TEOS) were employed as precursors of TiO 2 and SiO 2 , respectively. Nanocomposite sols were devised based on three molar ratio percentages of TiO 2 /SiO 2 70:30, 50:50, and 30:70 to investigate the role of each component. The self-cleaning and hydrophilicity of wool fabrics were analysed based on the removal of coffee stain under UV and water droplet contact angle measurements, respectively. It was observed that applying TiO 2 /SiO 2 50:50 and 30:70 sols to wool rendered the fabric superhydrophilic. Fabrics functionalised with TiO 2 / SiO 2 30:70 showed the highest efficiency in stain removal, followed by samples functionalised with TiO 2 /SiO 2 50:50.",

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Self-cleaning and superhydrophilic wool by TiO ₂ /SiO ₂ nanocomposite. / Pakdel, Esfandiar; Daoud, Walid A.; Wang, Xungai (Corresponding Author).
In: Applied Surface Science, Vol. 275, 15.06.2013, p. 397-402.

Research output: Journal article publication › Journal article › Academic research › peer-review

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AU - Pakdel, Esfandiar

AU - Daoud, Walid A.

AU - Wang, Xungai

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N2 - Wool fabrics were functionalised using TiO 2 and TiO 2 /SiO 2 nanocomposites through a low-temperature sol-gel method. Titanium terta isopropoxide (TTIP) and tetra ethylorthosilicate (TEOS) were employed as precursors of TiO 2 and SiO 2 , respectively. Nanocomposite sols were devised based on three molar ratio percentages of TiO 2 /SiO 2 70:30, 50:50, and 30:70 to investigate the role of each component. The self-cleaning and hydrophilicity of wool fabrics were analysed based on the removal of coffee stain under UV and water droplet contact angle measurements, respectively. It was observed that applying TiO 2 /SiO 2 50:50 and 30:70 sols to wool rendered the fabric superhydrophilic. Fabrics functionalised with TiO 2 / SiO 2 30:70 showed the highest efficiency in stain removal, followed by samples functionalised with TiO 2 /SiO 2 50:50.

AB - Wool fabrics were functionalised using TiO 2 and TiO 2 /SiO 2 nanocomposites through a low-temperature sol-gel method. Titanium terta isopropoxide (TTIP) and tetra ethylorthosilicate (TEOS) were employed as precursors of TiO 2 and SiO 2 , respectively. Nanocomposite sols were devised based on three molar ratio percentages of TiO 2 /SiO 2 70:30, 50:50, and 30:70 to investigate the role of each component. The self-cleaning and hydrophilicity of wool fabrics were analysed based on the removal of coffee stain under UV and water droplet contact angle measurements, respectively. It was observed that applying TiO 2 /SiO 2 50:50 and 30:70 sols to wool rendered the fabric superhydrophilic. Fabrics functionalised with TiO 2 / SiO 2 30:70 showed the highest efficiency in stain removal, followed by samples functionalised with TiO 2 /SiO 2 50:50.

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