以正硅酸乙酯(TEOS)和氧化锡锑(ATO)为原料,二苯基二乙氧基硅烷(DPES)为改性剂,采用溶胶凝胶法制得改性纳米粒子(BPNT);并将BPNT与含氟丙烯酸树脂共混,得到纳米复合树脂(NA-FB),并以NA-FB为成膜物质制得性能优异的纳米复合涂层.用傅里叶变换红外光谱(Fr-IR)、扫描电镜(SEM)、透射电镜(TEM)和原子力显微镜(AFM)等对BPNT和NA-FB涂层的形貌、结构及性能进行了表征和测试,并探讨了改性前后纳米体系的相容性与分散性,以及BPNT的用量对涂层疏水性、硬度、隔热性和透明度的影响.结果表明:DPES改性后的纳米体系分散均匀且与树脂的相容性较好;BPNT质量分数为6％,固化温度为130℃时,涂层的硬度为5H,附着力可达0级,接触角提高到116℃,且具有较好的透明隔热性能.
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