Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Current Status and Future Prospects of Applying Bioinspired Superhydrophobic Materials for Stone Artworks Conservation

Version 1 : Received: 20 March 2020 / Approved: 23 March 2020 / Online: 23 March 2020 (04:02:06 CET)

A peer-reviewed article of this Preprint also exists.

Cao, Y.; Salvini, A.; Camaiti, M. Current Status and Future Prospects of Applying Bioinspired Superhydrophobic Materials for Conservation of Stone Artworks. Coatings 2020, 10, 353. Cao, Y.; Salvini, A.; Camaiti, M. Current Status and Future Prospects of Applying Bioinspired Superhydrophobic Materials for Conservation of Stone Artworks. Coatings 2020, 10, 353.

Journal reference: Coatings 2020, 10, 353
DOI: 10.3390/coatings10040353

Abstract

The development of innovative materials is one of the most important focuses of research in heritage conservation. Eligible materials can not only protect the physical and chemical integrity of artworks, but also preserve their artistic and aesthetic features. Recently, as one of the hot research topics in materials science, biomimetic superhydrophobic materials have gradually attracted the attention of conservation scientists due to their unique properties. In fact, ultra-repellent materials are particularly suitable for hydrophobization treatments on outdoor artworks. Owing to their excellent hydrophobicity, superhydrophobic materials can effectively prevent the absorption, penetration of liquid water as well as the condensation of water vapor, thus greatly relieving water-induced decay phenomena. Moreover, in presence of liquid water, the superhydrophobic surfaces equipped with self-cleaning property can clean the dirt, dust deposited spontaneously, thereby restoring the artistic features simultaneously. In the present paper, besides the basic principles of wetting on solid surfaces, materials and methods reported for preparing bioinspired ultra-repellent materials, the recently proposed materials for art conservation are also introduced and critically reviewed. Lastly, the current status and the problems encountered in practical application are also pointed out, and the focus of future research is prospected as well.

Subject Areas

superhydrophobic coatings; self-cleaning; stone artworks; conservation; future prospect

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