采用自组装方法,在镁基体表面制备了一层超疏水硬脂酸分子层,并采用接触角、扫描电镜、红外光谱、电化学阻抗等测试技术对获得的超疏水层进行了表征和分析.研究表明,经过大约1 h的组装,硬脂酸分子成功的键合到镁基体上.形成了微米-纳米尺寸花瓣状结构的硬脂酸膜,接触角也快速增加至154°.电化学阻抗测试表明,超疏水膜可以提高镁基体的电荷传递电阻,在一定程度上抑制镁的局部腐蚀.
参考文献
[1] | 郭志光,刘维民.仿生超疏水性表面的研究进展[J].化学进展,2006,18(6):721. |
[2] | Nakajima A,Hashimoto K,Watanabe T.Recent studies on super-hydrophobic films[J].Monatshefte Fur Chemie/Chemical Monthly,2001,132(1):31. |
[3] | Yin Y,Liu T,Chen S,et al.Structure stability and corrosion inhibition of super-hydrophobic film on aluminum in seawater[J].Appl.Surf.Sci.,2008,255(5):2978. |
[4] | 曲爱兰,文秀芳,皮丕辉等.超疏水涂膜的研究进展[J].化学进展,2006,18(11):1434. |
[5] | 王庆军,陈庆民.超疏水表面的制备技术及其应用[J].分子材料科学与工程,2005,21(2):6. |
[6] | Shritcliffe N J,McHale G,Newton M I,et al..Wetting and wetting transitions on copper-based Super-hydrophobic surfaces[J].Langmuir,2005,21(3):937. |
[7] | Tadanaga K,Kitamuro K,Matsuda A.Formation of superhydrobic alumina coating films with high transparency on polymer substrates by the sol-gel method[J].J.Sol-Gel Sci.Technol.,2003,26(1-3):705. |
[8] | Nakajima A,Abe K,Hashimoto K,et al.Preparation of hard super-hydrophobic films with visible light transmission[J].Thin Solid Films,2000,376(1-2):140. |
[9] | Qian B T,Shen Z Q.Fabrication of superhydrophobic surfaces by dislocation-selective chemical etching on aluminum,copper,and ainc substrates[J].Langmuir,2005,21(20):9007. |
[10] | Zhang Y,Wang H,Yan B,et al.A rapid and efficient strategy for creating super-hydrophabic coatings on various material substrates[J].J.Mater.Chem.,2008,18(37):4442. |
[11] | Chen L J,Chen M,Zhou H D,et al.Preparation of super-hydrophobic surface on stainless steel[J].Appl.Surf.Sci.,2008,255(5):3459. |
[12] | Zhu L,Jin Y.A novel method to fabricate water-soluble hydrophobic agent and super-hydrophobic film on pretreated metals[J].Appl.Surf.Sci.,2007,253(7):3432. |
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