Protection of Structural Buildings Against Dirt Adsorption: Photoactive Cements vs. Photoactive Coating

Mohammadi, Fatemeh; Mirabedini, Seyed Mojtaba; Khodabakhshi, Khosro; Pazokifard, Shahla

doi:10.1007/978-3-030-45085-4_42

Fatemeh Mohammadi³,
Seyed Mojtaba Mirabedini³,
Khosro Khodabakhshi³ &
…
Shahla Pazokifard³

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International Seminar on Polymer Science and Technology

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Abstract

In this study, TiO₂ nanoparticles (Aeroxide P25) and synthesized TiO₂/SiO₂ nanocomposite were used to provide a photoactive concrete and water based acrylic façade coatings. For this purpose, TiO₂ nanoparticles (1 wt%) were loaded into a mixture of cement and sand (weight ratio 5:12) compared to acrylic coatings containing either 1 wt% Aeroxide P25 or synthesized TiO₂/SiO₂ nanoparticles. Photo-catalyst activity of the nanoparticles embedded samples was evaluated by color data measurements of photo-degradation of rhodamine B dyestuff implemented on the sample’s surface, during exposure to the sun light for 18 days. The results showed that in spite of improving photo-activity of acrylic coatings using TiO₂/SiO₂ nano-composites, the highest photo-activity arised from concrete loaded by commercial TiO₂ nanoparticles.

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Authors and Affiliations

Color and Surface Coatings Department, Iran Polymer and Petrochemical Institute (IPPI), P.O. Box 14975-112, Tehran, Iran
Fatemeh Mohammadi, Seyed Mojtaba Mirabedini, Khosro Khodabakhshi & Shahla Pazokifard

Authors

Fatemeh Mohammadi
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Seyed Mojtaba Mirabedini
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Khosro Khodabakhshi
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Shahla Pazokifard
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Corresponding author

Correspondence to Seyed Mojtaba Mirabedini .

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Editors and Affiliations

Department of Polymer Engineering, Amirkabir University of Technology, Teheran, Iran
Hamid Mirzadeh
Department of Polymer Engineering, Amirkabir University of Technology, Teheran, Iran
Ali A Katbab

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Mohammadi, F., Mirabedini, S.M., Khodabakhshi, K., Pazokifard, S. (2020). Protection of Structural Buildings Against Dirt Adsorption: Photoactive Cements vs. Photoactive Coating. In: Mirzadeh, H., Katbab, A. (eds) Eco-friendly and Smart Polymer Systems. ISPST 2018. Springer, Cham. https://doi.org/10.1007/978-3-030-45085-4_42

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DOI: https://doi.org/10.1007/978-3-030-45085-4_42
Published: 30 May 2020
Publisher Name: Springer, Cham
Print ISBN: 978-3-030-45084-7
Online ISBN: 978-3-030-45085-4
eBook Packages: Chemistry and Materials ScienceChemistry and Material Science (R0)

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