Hydrophobic surface modification of TiO                         2                          nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO                         2                          composited cool materials

Yanli Qi; Bo Xiang; Wubin Tan; Jun Zhang

doi:10.1016/j.apsusc.2017.04.234

Hydrophobic surface modification of TiO ₂ nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO ₂ composited cool materials

Yanli Qi, Bo Xiang, Wubin Tan, Jun Zhang

College of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

69 Scopus citations

Abstract

Hydrophobic surface modification of TiO ₂ was conducted for production of acrylonitrile-styrene-acrylate (ASA) terpolymer/titanium dioxide (TiO ₂ ) composited cool materials. Different amount of 3-methacryloxypropyl-trimethoxysilane (MPS) was employed to change hydrophilic surface of TiO ₂ into hydrophobic surface. The hydrophobic organosilane chains were successfully grafted onto TiO ₂ through Si[sbnd]O[sbnd]Ti bonds, which were verified by Fourier transformed infrared spectra and X-ray photoelectron spectroscopy. The water contact angle of the sample added with TiO ₂ modified by 5 wt% MPS increased from 86° to 113°. Besides, all the ASA/TiO ₂ composites showed significant improvement in both solar reflectance and cooling property. The reflectance of the composites throughout the near infrared (NIR) region and the whole solar wavelength is increased by 113.92% and 43.35% compared with pristine ASA resin. Simultaneously, significant drop in temperature demonstrates excellent cooling property. A maximum decrease approach to 27 °C was observed in indoor temperature test, while a decrease around 9 °C tested outdoors is achieved.

Original language	English
Pages (from-to)	213-223
Number of pages	11
Journal	Applied Surface Science
Volume	419
DOIs	https://doi.org/10.1016/j.apsusc.2017.04.234
State	Published - 15 Oct 2017

Keywords

Cool materials
Hydrophobic surface modification
Polymer matrix
Silane coupling agent
Titanium dioxide

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10.1016/j.apsusc.2017.04.234

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Qi, Y., Xiang, B., Tan, W., & Zhang, J. (2017). Hydrophobic surface modification of TiO ₂ nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO ₂ composited cool materials Applied Surface Science, 419, 213-223. https://doi.org/10.1016/j.apsusc.2017.04.234

Qi, Yanli ; Xiang, Bo ; Tan, Wubin et al. / Hydrophobic surface modification of TiO ₂ nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO ₂ composited cool materials In: Applied Surface Science. 2017 ; Vol. 419. pp. 213-223.

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title = " Hydrophobic surface modification of TiO 2 nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO 2 composited cool materials ",

abstract = " Hydrophobic surface modification of TiO 2 was conducted for production of acrylonitrile-styrene-acrylate (ASA) terpolymer/titanium dioxide (TiO 2 ) composited cool materials. Different amount of 3-methacryloxypropyl-trimethoxysilane (MPS) was employed to change hydrophilic surface of TiO 2 into hydrophobic surface. The hydrophobic organosilane chains were successfully grafted onto TiO 2 through Si[sbnd]O[sbnd]Ti bonds, which were verified by Fourier transformed infrared spectra and X-ray photoelectron spectroscopy. The water contact angle of the sample added with TiO 2 modified by 5 wt% MPS increased from 86° to 113°. Besides, all the ASA/TiO 2 composites showed significant improvement in both solar reflectance and cooling property. The reflectance of the composites throughout the near infrared (NIR) region and the whole solar wavelength is increased by 113.92% and 43.35% compared with pristine ASA resin. Simultaneously, significant drop in temperature demonstrates excellent cooling property. A maximum decrease approach to 27 °C was observed in indoor temperature test, while a decrease around 9 °C tested outdoors is achieved.",

keywords = "Cool materials, Hydrophobic surface modification, Polymer matrix, Silane coupling agent, Titanium dioxide",

author = "Yanli Qi and Bo Xiang and Wubin Tan and Jun Zhang",

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Qi, Y, Xiang, B, Tan, W & Zhang, J 2017, ' Hydrophobic surface modification of TiO ₂ nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO ₂ composited cool materials ', Applied Surface Science, vol. 419, pp. 213-223. https://doi.org/10.1016/j.apsusc.2017.04.234

Hydrophobic surface modification of TiO ₂ nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO ₂ composited cool materials . / Qi, Yanli; Xiang, Bo; Tan, Wubin et al.
In: Applied Surface Science, Vol. 419, 15.10.2017, p. 213-223.

Research output: Contribution to journal › Article › peer-review

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T1 - Hydrophobic surface modification of TiO 2 nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO 2 composited cool materials

AU - Qi, Yanli

AU - Xiang, Bo

AU - Tan, Wubin

AU - Zhang, Jun

PY - 2017/10/15

Y1 - 2017/10/15

N2 - Hydrophobic surface modification of TiO 2 was conducted for production of acrylonitrile-styrene-acrylate (ASA) terpolymer/titanium dioxide (TiO 2 ) composited cool materials. Different amount of 3-methacryloxypropyl-trimethoxysilane (MPS) was employed to change hydrophilic surface of TiO 2 into hydrophobic surface. The hydrophobic organosilane chains were successfully grafted onto TiO 2 through Si[sbnd]O[sbnd]Ti bonds, which were verified by Fourier transformed infrared spectra and X-ray photoelectron spectroscopy. The water contact angle of the sample added with TiO 2 modified by 5 wt% MPS increased from 86° to 113°. Besides, all the ASA/TiO 2 composites showed significant improvement in both solar reflectance and cooling property. The reflectance of the composites throughout the near infrared (NIR) region and the whole solar wavelength is increased by 113.92% and 43.35% compared with pristine ASA resin. Simultaneously, significant drop in temperature demonstrates excellent cooling property. A maximum decrease approach to 27 °C was observed in indoor temperature test, while a decrease around 9 °C tested outdoors is achieved.

AB - Hydrophobic surface modification of TiO 2 was conducted for production of acrylonitrile-styrene-acrylate (ASA) terpolymer/titanium dioxide (TiO 2 ) composited cool materials. Different amount of 3-methacryloxypropyl-trimethoxysilane (MPS) was employed to change hydrophilic surface of TiO 2 into hydrophobic surface. The hydrophobic organosilane chains were successfully grafted onto TiO 2 through Si[sbnd]O[sbnd]Ti bonds, which were verified by Fourier transformed infrared spectra and X-ray photoelectron spectroscopy. The water contact angle of the sample added with TiO 2 modified by 5 wt% MPS increased from 86° to 113°. Besides, all the ASA/TiO 2 composites showed significant improvement in both solar reflectance and cooling property. The reflectance of the composites throughout the near infrared (NIR) region and the whole solar wavelength is increased by 113.92% and 43.35% compared with pristine ASA resin. Simultaneously, significant drop in temperature demonstrates excellent cooling property. A maximum decrease approach to 27 °C was observed in indoor temperature test, while a decrease around 9 °C tested outdoors is achieved.

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KW - Hydrophobic surface modification

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Qi Y, Xiang B, Tan W, Zhang J. Hydrophobic surface modification of TiO ₂ nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO ₂ composited cool materials Applied Surface Science. 2017 Oct 15;419:213-223. doi: 10.1016/j.apsusc.2017.04.234

Hydrophobic surface modification of TiO ₂ nanoparticles for production of acrylonitrile-styrene-acrylate terpolymer/TiO ₂ composited cool materials

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