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Preparation and Assessment of Superhydrophobic Organic-Inorganic Hybrid Coatings for Conservation of Yungang Grottoes

Published online by Cambridge University Press:  14 April 2011

Shipeng Tian ,
Shaojun Liu ,
Feng Gao ,
Min Fan  and
Jianguang Ren
Shipeng Tian
Affiliation:
Division of Materials Science and Engineering, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen, 518055, China
Shaojun Liu
Affiliation:
Division of Materials Science and Engineering, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen, 518055, China State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083, China
Feng Gao
Affiliation:
State Key Laboratory for Powder Metallurgy, Central South University, Changsha, 410083, China Chinese Academy of Cultural Heritage, Beijing, 100029, China
Min Fan
Affiliation:
Baiyun Cultural Heritage Conservation Engineering Co. Ltd., Guangzhou, 510540, China
Jianguang Ren
Affiliation:
Yungang Grottoes Research Institute, Datong, 037006, China
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Abstract

Yungang Grottoes in Shanxi, China, which represent outstanding example of Chinese outdoor immovable stone artifacts, are precious world cultural heritage. In the present study, the preparation and assessment of superhydrophobic hybrid coatings with photocatalytic activity on the sandstone substrate collected from Yungang were explored preliminarily. The protection efficiency of coating is investigated by measuring the water-stone contact angles, water vapor permeability, water absorption, and resistance to acid and salt corrosion. Results show that the superhydrophobic organic-inorganic hybrid coatings with photocatalytic and self-cleaning properties are highly suitable for the conservation of stone monuments.

Keywords

artcoatingnanostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1319: Symposium WW – Materials Issues in Art and Archaeology IX , 2011 , mrsf10-1319-ww04-06
Copyright
Copyright © Materials Research Society 2011

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References

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