<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Silicate, acrylic and latex photocatalytic paints were analyzed in regards to impact of paint matrix composition and paint layer’s thickness on performance in two photocatalytic tests. These included performances in photocatalytic decomposition of benzo[a]pyrene (BaP) and assessment of photocatalytic activity through use of smart ink test. Silicate photocatalytic paints displayed lower photocatalytic activity in comparison to acrylic and latex photocatalytic paints in both tests, despite the similar content of nanocrystalline TiO<sub>2</sub>. Measurements of depth of UV light penetration through the paints layer were performed and it appeared, that more porous structure of coating resulted in deeper penetration of UV light. In the case of acrylic paint, the thickness of the photocatalytic layer was around 9 μm, but for silicate paint DR this thickness was higher, around 21 μm.</p></abstract>

Silicate, acrylic and latex photocatalytic paints were analyzed in regards to impact of paint matrix composition and paint layer’s thickness on performance in two photocatalytic tests. These included performances in photocatalytic decomposition of benzo[a]pyrene (BaP) and assessment of photocatalytic activity through use of smart ink test. Silicate photocatalytic paints displayed lower photocatalytic activity in comparison to acrylic and latex photocatalytic paints in both tests, despite the similar content of nanocrystalline TiO2. Measurements of depth of UV light penetration through the paints layer were performed and it appeared, that more porous structure of coating resulted in deeper penetration of UV light. In the case of acrylic paint, the thickness of the photocatalytic layer was around 9 μm, but for silicate paint DR this thickness was higher, around 21 μm.

Impact of paint matrix composition and thickness of paint layer on the activity of photocatalytic paints

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Silicate, acrylic and latex photocatalytic paints were analyzed in regards to impact of paint matrix composition and paint layer’s thickness on performance in...

Impact of paint matrix composition and thickness of paint layer on the activity of photocatalytic paints

Published Online: May 11, 2017

Page range: 113 - 119

DOI: https://doi.org/10.1515/pjct-2017-0016

Keywords
photocatalytic paint, smart ink test, UV absorption, benzo[a]pyrene decomposition, paint coating thickness

© by Piotr Homa

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Impact of paint matrix composition and thickness of paint layer on the activity of photocatalytic paints

Published Online: May 11, 2017

Page range: 113 - 119

DOI: https://doi.org/10.1515/pjct-2017-0016

Keywordsphotocatalytic paint, smart ink test, UV absorption, benzo[a]pyrene decomposition, paint coating thickness

© by Piotr Homa

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
photocatalytic paint, smart ink test, UV absorption, benzo[a]pyrene decomposition, paint coating thickness