Preparation, characterization of nano-silica/fluoroacrylate material and the application in stone surface conservation

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• 作者：Xiaoying Zhang ; Wenya Wen ; Hanqiang Yu ; Fengxian Qiu…
• 关键词：Stone conservation ; Silica nanoparticles ; Nanocomposite ; Fluoroacrylate polymer
• 刊名：Journal of Polymer Research
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：23
• 期：4
• 全文大小：751 KB
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• 作者单位：Xiaoying Zhang (1)
  Wenya Wen (1)
  Hanqiang Yu (1)
  Fengxian Qiu (1)
  Qian Chen (1)
  Dongya Yang (1)
  
  1. School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, China
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Polymer Sciences
  Industrial Chemistry and Chemical Engineering
  Characterization and Evaluation Materials
  
• 出版者：Springer Netherlands
• ISSN：1572-8935

文摘

A series of fluoroacrylate (FPA) and nano-silica/fluoroacrylate were prepared. The properties including physical properties, mechanical behavior and contact angle of FPA were investigated. According to the results, the optimal fluoride content can be screened. The nano-silica/fluoroacrylate (SiO₂/FPA) materials were characterized by fourier transform infrared (FT-IR), thermogravimetric analysis (TGA) and transmission electron microscope (TEM). The surface morphology and mineralogical analysis of the stone samples were characterized by scanning electron microscope (SEM) and X-ray diffraction (XRD), respectively. The prepared coating was selected to protect on the stone surface. Aimed at evaluating the coating performance, the protective performances were also evaluated by artificial aging test. The results indicated that when the content of hexafluoro-butyl methacrylate (HFMA) was 8.0 wt% and the content of SiO₂ was 4.0 wt%, the prepared material has good compatibility and appearance with stone relics. The protective coating material for protection of chosen Jiaoshan Steles Grove (China) is noticeable and it can be widely applied to the protection of stone relics.