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Influence of Modification of Nano SiO2 Filler on Corrosion Resistance of UV-Coatings
Author(s): 
Pages: 20-22
Year: Issue:  1
Journal: Paint & Coatings Industry

Keyword:  纳米SiO2耐腐蚀性光固化涂料;
Abstract: 用偶联剂6040对纳米SiO2表面进行了改性,并将改性后的SiO2加入到有机硅改性环氧丙烯酸酯中,制得光固化涂层.用XRD、FT-IR对改性后的纳米SiO2进行了表征;用SEM、EIS技术考察了填料改性对光固化涂层耐腐蚀性能的影响.结果表明:改性后SiO2由晶态转变为非晶态;并且改性后SiO2的表面带有偶联刺的特征基团;填料改性后在光固化涂层中的分散性良好,涂层耐腐蚀性大大提高.
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