NDLI: Fabrication of TEOS/PDMS/F127 hybrid coating materials for conservation of historic stone sculptures

Content Provider	Springer Nature Link
Author	Liu, Yurong Liu, Jia
Copyright Year	2016
Abstract	The present work was aimed to develop a new kind of stone conservation materials (TEOS/PDMS/F127 hybrid coating) by a facile sol–gel method for the protection of decayed sandstones of Chongqing Dazu stone sculptures in China. The hydrophobic property, surface morphology, water vapor permeability, ultraviolet aging resistance and mechanical properties were measured to evaluate the effectiveness of TEOS/PDMS/F127 hybrid coating as a stone conservation material. The results showed that the addition of hydroxyl-terminated polydimethylsiloxane (PDMS-OH) contributed to improve the hydrophobic properties and incorporation of PEO–PPO–PEO (F127) surfactant resulted in the formation of superficial protrusions with micro- and nanoscopic structures and overall alteration of surface morphology and roughness, thus preventing the coating materials from cracking. After treatment with TEOS/PDMS/F127 hybrid coating materials, the ultraviolet aging resistance and mechanical properties of stone were also improved without the obvious effects on the breathability and color of the stone, indicating promising applications of TEOS/PDMS/F127 hybrid coating materials for conservation of historic stone sculptures.
Starting Page	1
Ending Page	7
Page Count	7
File Format	PDF
ISSN	09478396
Journal	Applied Physics A
Volume Number	122
Issue Number	8
e-ISSN	14320630
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-07-16
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Condensed Matter Physics Optical and Electronic Materials Nanotechnology Characterization and Evaluation of Materials Surfaces and Interfaces, Thin Films Operating Procedures, Materials Treatment
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Science

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