石油钻采工艺2012，Vol.34Issue(1)：103-106,4.
复合控水砂表面结构及疏水性能研究
Study on surface structure and hydrophobicity of super-hydrophobic composite water control sand
摘要
Abstract
Nanometer zinc oxide particle is modified by mechanical mixture to change the surface performance. Based on the self-assembly function of fluorin resin, A super-hydrophobic surface coating featured by "lotus effect" was prepared by mixing fluorin resin with nanometer zinc oxide. The surface coating has a very high static water contact angle (WCA) of 158° and a small sliding angle of 5°. Transmission microscope was used to observe and investigate roughness and WCA with WCA tester. It is found that there are many micro-convexities structure uniformly distributed on the surface of the coating which is similar to that of litchi rind surface. Relationships among the surface microstructure, roughness of coating and the hydrophobicity of the surface coating are discussed by water contact angle testing and core flow displacement testing. The result shows that water contact angle in heterogeneous interface which consist of compound particles correspond to Cassie model. And the reason for the excellent super hydrophobic properties on the coating surface is due to synergistic effect between an appropriate surface roughness and the low surface energy of fluorin resin with well self-assembly functions.关键词
坊砂/控水/控水砂/超疏水/堵水Key words
sand control/ water control/ water control sand/ super-hydrophobic/ water block-off分类
能源科技引用本文复制引用
任闽燕,宋金波,郑铎,梅明霞,许霞,杨军..复合控水砂表面结构及疏水性能研究[J].石油钻采工艺,2012,34(1):103-106,4.基金项目
中石化提高采收率导向项目:"中高渗整装蔬松砂岩油藏控水防砂技术研究与应用"的部分内容. （）
