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涂料工业  2010 

tio2/sio2复合涂层光致亲水性及其机理研究

Keywords: tio2/sio2,溶胶-凝胶法,涂层,亲水性

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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。将复合粒子添加到醇酸清漆中,制备出自清洁涂层。研究表明:少量sio2掺杂在一定程度上抑制了tio2的晶型转变和晶粒长大,改善了复合涂层的亲水性。利用荧光光谱对亲水性机理进行了验证。

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