摘要：
以硅烷偶联剂(KH570)为改性剂，采用溶胶-凝胶的方法制备出改性SiO2粉体;以DMF为溶剂，PVDF为主要成分，共混入拒水拒油剂和改性SiO2粉体，制备出可应用于软质PVC基材的防污自洁表面处理剂。实验结果表明:拒水拒油剂降低了基材的表面张力，改性SiO2粉体的加入起到提高基材表面微观粗糙度的作用，从而成功实现了在聚合物表面模拟荷叶效应的目的。
关键词:
防污 ,
自洁 ,
PVDF ,
溶胶 -凝胶 ,
硅烷偶联剂
Abstract: With silane coupling agent(KH570 ) as modification agent, the title modified SiO2 particles were was prepared by sol-gel process. Then, water and oil repellent agent and modified SiO2, particles were blen ded into the solvent (DMF) with PVDF as main component to prepare an anti-dirty and self-cleaning sur-face treatment agent, which can be applied on soft PVC substrate. The result showed that the water and oil repellent agent can reduce the surtace tension of PVC material and the modified SiO2 particles can increase the micro-roughness of substrate, both of which led a simulation of the lotus leaf-effect on surface of poly-mer successfully.
Key words:
anti-dirty,
self-cleaning,
PVDF,
sol-gel,
silane coupling agent
宋震宇, 霍瑞亭, 周劲勋, 綦春芝, 侯丽丽, 王旭琴. 改性SiO2在防污自洁表面处理中的应用[J]. 涂料工业, 2009, 39(3): 6-9.
Song Zhenyu, Huo Ruiting, Zhou Jinxun, Qi Chunzhi, Hou Lili, Wang Xuqin. Modified Sio2, and Its Application in DAnti-irty and Self-cleaning Surface Treatment[J]. Paint & Coatings Industry, 2009, 39(3): 6-9.