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Article

Efficiency of Novel Photocatalytic Coating and Consolidants for Protection of Valuable Mineral Substrates

1
Slovenian National Building and Civil Engineering Institute, Dimičeva 12, 1000 Ljubljana, Slovenia
2
Faculty of Technology, University of Novi Sad, Bul. cara Lazara 1, 21000 Novi Sad, Serbia
*
Authors to whom correspondence should be addressed.
Materials 2019, 12(3), 521; https://doi.org/10.3390/ma12030521
Received: 5 December 2018 / Revised: 14 January 2019 / Accepted: 29 January 2019 / Published: 9 February 2019
(This article belongs to the Special Issue Self-Cleaning Surfaces)
In the process of protection and consolidation of valuable materials, the efficiency is the crucial property that needs to be considered. TiO2/ZnAl layered double hydroxide (LDH) coating and silicate- and carbonate-based consolidants were synthesized and proposed to be used for protection and consolidation of four porous mineral substrates: brick, stone, render and mortar. The photocatalytic efficiency of TiO2/ZnAl LDH coating, as well as consolidation efficiency of two consolidants, both applied on model substrates, were studied. The photocatalytic coating showed significant activity and performed well after the durability tests involving rinsing and freezing/thawing procedures. After treatment with both consolidants, a serious enhancement of consolidation of the used substrates was found. On the other hand, the application of TiO2/ZnAl LDH, as well as consolidants, caused negligible changes in the water vapour permeability values and in appearance of the porous mineral substrates, indicating a high level of compatibility. View Full-Text
Keywords: photocatalytic coating; consolidant; protection; conservation; porous substrate; cultural heritage photocatalytic coating; consolidant; protection; conservation; porous substrate; cultural heritage
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MDPI and ACS Style

Pondelak, A.; Kramar, S.; Ranogajec, J.; Škrlep, L.; Vucetic, S.; Ducman, V.; Škapin, A.S. Efficiency of Novel Photocatalytic Coating and Consolidants for Protection of Valuable Mineral Substrates. Materials 2019, 12, 521. https://doi.org/10.3390/ma12030521

AMA Style

Pondelak A, Kramar S, Ranogajec J, Škrlep L, Vucetic S, Ducman V, Škapin AS. Efficiency of Novel Photocatalytic Coating and Consolidants for Protection of Valuable Mineral Substrates. Materials. 2019; 12(3):521. https://doi.org/10.3390/ma12030521

Chicago/Turabian Style

Pondelak, Andreja, Sabina Kramar, Jonjaua Ranogajec, Luka Škrlep, Snežana Vucetic, Vilma Ducman, and Andrijana S. Škapin. 2019. "Efficiency of Novel Photocatalytic Coating and Consolidants for Protection of Valuable Mineral Substrates" Materials 12, no. 3: 521. https://doi.org/10.3390/ma12030521

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