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涂料工业  2010 

纳米自洁涂料的制备及其对茜素红的降解研究

Keywords: 纳米tio2/sio2,溶胶-凝胶法,茜素红,光催化

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Abstract:

?以钛酸四丁酯、正硅酸乙酯为前驱体,冰醋酸为水解抑制剂,用溶胶-凝胶法制备了纳米tio2/sio2复合粒子。将复合粒子按一定比例添加到醇酸清漆中,制备出自清洁涂层。光催化研究表明:sio2负载可明显提高涂层光催化活性,添加了2%(质量分数,下同)tio2/sio2粒子的涂层对茜素红的降解性能最好。利用气质联用仪对降解产物进行了分析。

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