Abstract
AbstractTiO2 has many advantages, such as UV resistance, thermal stability, and antibacterial; the attention toward TiO2 composite materials (TCMs) is rapidly increasing in the protection of stone culture relics. An innovative rod-shaped TCM was synthesized in this study. The structure and morphology of TCM were studied by X-ray diffraction and scanning electron microscopy. The acid resistance, weather resistance, hydrophilicity, and photocatalytic performance of TCM had been investigated. The experimental results indicated that TCM has good protection effects. The stone sample treated with TCM has stronger acid resistance and weather resistance, better hydrophilicity, and more excellent photocatalytic activity compared with the untreated stone. More importantly, the stone treated with TCM has better acid resistance and weather resistance than that treated with normal shaped TiO2 materials of the previous study. This work describes an effective way to protect stone cultural relics.
Highlights
IntroductionThe damage of the stone cultural relics can be effectively reduced by coating protective materials [3,4,5]
China has a long history, and the information recorded in stone cultural relics promotes Chinese historicalThe damage of the stone cultural relics can be effectively reduced by coating protective materials [3,4,5]
Pinho et al proved that the TiO2 nanoparticles can be removed from TiO2 nanoparticles aqueous materials coated on the surface of clay brick or limestone [20]
Summary
The damage of the stone cultural relics can be effectively reduced by coating protective materials [3,4,5]. Many researchers pay attention to the research of new protective materials [12] Due to their excellent stability [13,14], chemical resistance [15], antibacterial activity [16], non-toxicity, and low price [17,18], TiO2 has potential application in the protection of stone cultural relics. Pinho et al proved that the TiO2 nanoparticles can be removed from TiO2 nanoparticles aqueous materials coated on the surface of clay brick or limestone [20]. The research of Pinho aimed at the protection of buildings, and we have studied the TiO2-modified sol coating material in the protection of stone-built cultural heritage. To the best of our knowledge, the research on compositing TiO2 nanoparticles into TiO2 sol in stone cultural relics is very limited
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