Surface Modification of Photocatalytic Cementitious Composites with Polyacrylic Superabsorbent Polymers (SAP)

This study focuses on developing new surface modification methods for photocatalytic cementitious composites. The question that was investigated was if superabsorbent polymers can act as an intermediate environment, intensifying the incorporation of TiO<sub>2</sub> particles on the surfa...

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Main Authors: Maciej Kalinowski, Piotr Woyciechowski, Wioletta Jackiewicz-Rek
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Materials Proceedings
Subjects:
Online Access:https://www.mdpi.com/2673-4605/13/1/23
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author Maciej Kalinowski
Piotr Woyciechowski
Wioletta Jackiewicz-Rek
author_facet Maciej Kalinowski
Piotr Woyciechowski
Wioletta Jackiewicz-Rek
author_sort Maciej Kalinowski
collection DOAJ
description This study focuses on developing new surface modification methods for photocatalytic cementitious composites. The question that was investigated was if superabsorbent polymers can act as an intermediate environment, intensifying the incorporation of TiO<sub>2</sub> particles on the surface of the tested material. Four variants of surface modification were designed: water dispersions of TiO<sub>2</sub> with non-saturated SAP, with SAP in a hydrogel form, and two reference series. Due to the use of SAP, the efficiency in air purification from NO<sub>x</sub> under different light conditions compared to the reference series increased significantly, exceeding a 75% increase under a UV-A light and a 600% increase under visible light.
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spelling doaj.art-72b8df6bbac44a19b8cc57afc3790e602023-11-17T12:26:06ZengMDPI AGMaterials Proceedings2673-46052023-02-011312310.3390/materproc2023013023Surface Modification of Photocatalytic Cementitious Composites with Polyacrylic Superabsorbent Polymers (SAP)Maciej Kalinowski0Piotr Woyciechowski1Wioletta Jackiewicz-Rek2Faculty of Civil Engineering, Warsaw University of Technology, 00-637 Warsaw, PolandFaculty of Civil Engineering, Warsaw University of Technology, 00-637 Warsaw, PolandFaculty of Civil Engineering, Warsaw University of Technology, 00-637 Warsaw, PolandThis study focuses on developing new surface modification methods for photocatalytic cementitious composites. The question that was investigated was if superabsorbent polymers can act as an intermediate environment, intensifying the incorporation of TiO<sub>2</sub> particles on the surface of the tested material. Four variants of surface modification were designed: water dispersions of TiO<sub>2</sub> with non-saturated SAP, with SAP in a hydrogel form, and two reference series. Due to the use of SAP, the efficiency in air purification from NO<sub>x</sub> under different light conditions compared to the reference series increased significantly, exceeding a 75% increase under a UV-A light and a 600% increase under visible light.https://www.mdpi.com/2673-4605/13/1/23superabsorbent polymersSAPcement compositestitanium dioxidegaseous pollutantsphotocatalysis
spellingShingle Maciej Kalinowski
Piotr Woyciechowski
Wioletta Jackiewicz-Rek
Surface Modification of Photocatalytic Cementitious Composites with Polyacrylic Superabsorbent Polymers (SAP)
Materials Proceedings
superabsorbent polymers
SAP
cement composites
titanium dioxide
gaseous pollutants
photocatalysis
title Surface Modification of Photocatalytic Cementitious Composites with Polyacrylic Superabsorbent Polymers (SAP)
title_full Surface Modification of Photocatalytic Cementitious Composites with Polyacrylic Superabsorbent Polymers (SAP)
title_fullStr Surface Modification of Photocatalytic Cementitious Composites with Polyacrylic Superabsorbent Polymers (SAP)
title_full_unstemmed Surface Modification of Photocatalytic Cementitious Composites with Polyacrylic Superabsorbent Polymers (SAP)
title_short Surface Modification of Photocatalytic Cementitious Composites with Polyacrylic Superabsorbent Polymers (SAP)
title_sort surface modification of photocatalytic cementitious composites with polyacrylic superabsorbent polymers sap
topic superabsorbent polymers
SAP
cement composites
titanium dioxide
gaseous pollutants
photocatalysis
url https://www.mdpi.com/2673-4605/13/1/23
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AT piotrwoyciechowski surfacemodificationofphotocatalyticcementitiouscompositeswithpolyacrylicsuperabsorbentpolymerssap
AT wiolettajackiewiczrek surfacemodificationofphotocatalyticcementitiouscompositeswithpolyacrylicsuperabsorbentpolymerssap