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制作了4组具有不同规则微观结构、粗糙度为1.2~2.0的粗糙表面,并测量了各个粗糙表面的表观接触角.而后将各组粗糙表面的接触角测量值与Wenzel模型预测值和Cassie模型预测值进行比较,分析了影响各个粗糙表面浸润特性的因素.发现孔状微观结构的粗糙表面与柱状微观结构的粗糙表面的浸润性有很大区别,不同的微观结构导致液体侵入微结构内部程度的不同是引起此区别的主要原因,进而针对这两种不同微观结构的粗糙表面提出了新的预测值计算公式.

参考文献

[1] Rao AV;Kulkarni MA;Bhagat SD .Transport of liquids using superhydrophobic aerogels[J].Journal of Colloid and Interface Science,2005(1):413-418.
[2] Superhydrophobic and transparent ZnO thin films synthesized by spray pyrolysis technique[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2010(24):7451-7456.
[3] Pit R.;Leger L.;Hervet H. .Direct experimental evidence of slip in hexadecane: Solid interfaces[J].Physical review letters,2000(5):980-983.
[4] Reyssat M;Richard D;Clanet C et al.Dynamical superhydrophobicity[J].Faraday Discussions,2010,146:19.
[5] Kako T.;Nakajima A.;Irie H.;Kato Z.;Uematsu K.;Watanabe T.;Hashimoto K. .Adhesion and sliding of wet snow on a super-hydrophobic surface with hydrophilic channels[J].Journal of Materials Science,2004(2):547-555.
[6] KAZUHIRO FUKUDA;JUNICHIRO TOKUNAGA;TAKASHI NOBUNAGA .Frictional drag reduction with air lubricant over a super-water- repellent surface[J].Journal of marine science and technology,2000(3):123-130.
[7] Keizo Watanabe;Tsukasa Takayama;Satoshi Ogata;Seiji Isozaki .Flow between Two Coaxial Rotating Cylinders with a Highly Water-Repellent Wall[J].AIChE Journal,2003(8):1956-1963.
[8] Ou J;Rothstein JP .Direct velocity measurements of the flow past drag-reducing ultrahydrophobic surfaces[J].Physics of fluids,2005(10):3606-1-3606-10-0.
[9] 田军;徐锦芬;薛群基 .低表面能涂层的减阻试验研究[J].水动力学研究与进展a辑,1997,12(01):27.
[10] Barthlott W;Neinhuis C .Purity of the sacred lotus, or escape from contamination in biological surfaces.[J].Planta,1997(1):1-8.
[11] Neinhuis C;Barthlott W .Characterization and distribution of water-repellent, self-cleaning plant surfaces.[J].Annals of Botany,1997(6):667-677.
[12] Onda T;Shibuichi S;Satoh N et al.Super-water-repellent fractal surfaces[J].Langmuir,1996,12(09):2125.
[13] 陈晓玲,吕田.粗糙表面液滴表观形态研究[J].中国科学G辑,2009(01):58-62.
[14] 潘光,黄桥高,胡海豹,刘占一.微观结构对超疏水表面润湿性的影响[J].高分子材料科学与工程,2010(07):163-166.
[15] 江雷;冯琳.仿生智能纳米界面材料[M].北京:化学工业出版社,2007:142.
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