| 纳米TiO_2改性有机硅粘接涂层的制备 |
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| 引用本文： | 喻兰英,李新跃,罗宏.纳米TiO_2改性有机硅粘接涂层的制备[J].中国胶粘剂,2010,19(3). |
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| 作者姓名： | 喻兰英 李新跃 罗宏 |
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| 作者单位： | 四川理工学院材料与化学工程学院,四川,自贡,643000;材料腐蚀与防护四川省高校重点实验室,四川,自贡,643000 |
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| 基金项目： | 材料腐蚀与防护四川省高校重点实验室基金项目(2008CL02) |
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| 摘 要： | 用硅烷偶联剂对纳米TiO2进行表面改性,制备了具有亲油性的纳米TiO2粉体,并采用红外光谱(FT-IR)和电子扫描探针显微镜(AFM)对其结构进行了表征。将改性后的纳米TiO2通过机械共混的方式添加到有机硅粘接涂层中,研究了改性纳米TiO2对粘接涂层性能的影响,并对改性后的粘接涂层进行人工老化和自洁性检测。结果表明:当添加w(纳米TiO2)=1%~2%时,粘接涂层的综合性能最好;改性后的粘接涂层具有自洁性和超强的耐候性,经人工加速老化1 200 h后具有不变色、不起泡和不脱落等优点。
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| 关 键 词： | 纳米TiO2 改性 有机硅 粘接涂层 自洁性 耐候性 |
Preparation of silicone bonding coating modified by nano-TiO2 |
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| YU Lan-ying,LI Xin-yue,LUO Hong.Preparation of silicone bonding coating modified by nano-TiO2[J].China Adhesives,2010,19(3). |
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| Authors: | YU Lan-ying LI Xin-yue LUO Hong |
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| Affiliation: | 1.Institute of Materials and Chemistry Engineering;Sichuan University of Science and Engineering;Zigong 643000;China;2.Key Laboratory of Material Corrosion and Protection of Sichuan Colleges and Universities;China |
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| Abstract: | With silane coupler as surface modifier of nano-TiO2,so an oleophilic nano-TiO2 powder was prepared.Its structure was characterized by FT-IR and AFM.Then the modified nano-TiO2 was introduced into silicone bonding coating by mechanical mixing.The influences of modified nano-TiO2 on the performances of bonding coating were investigated,and the artificial aging and self-cleaning experiments were actualized for modified bonding coating.The results showed that the combination property of bonding coating was exc... |
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| Keywords: | nano-TiO2 modified silicone bonding coating self-cleaning weatherability |
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