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| Polymer Plating on Surface of Magnesium Alloy and Functional Characteristics of Nano Film |
| KANG Zhixin , SANG Jing, LIU Yinghui, WANG Fen, LONG Yan, LI Yuanyuan |
| School of Mechanical & Automotive Engineering, National Engineering Research Center of Near–Net–Shape Forming for Metallic Materials, South China University of Technology, Guangzhou 510640 |
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Cite this article:
KANG Zhixin SANG Jing LIU Yinghui WANG Fen LONG Yan LI Yuanyuan. Polymer Plating on Surface of Magnesium Alloy and Functional Characteristics of Nano Film. Chin J Mater Res, 2010, 24(4): 337-342.
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Abstract The polymeric nano film with hydrophobic feature on the surface of Mg–Mn–Ce magnesium alloy was prepared through chemical reaction with synthesized organic monomer of the triazine dithiol monosodium reacted with magnesium alloy by self–developed technique of polymer plating. The reaction mechanism during polymer plating was investigated with selected characteristic points from the curves of cyclic voltammetry. The film properties polymer–plated on magnesium alloy surface were characterized by means of FT–IR spectrometer, X–ray photoelectron spectroscopy, spectroscopic ellipsometer and contact angle meter. The results showed that the process of polymer plating included the film formation through the electrochemical reaction and film thickening by polymerization reaction between film layers. The combination between magnesium alloy and the monomer of triazine dithiol monosodium were achieved by chemical bonds. Film thickness increased gradually from 9.14 nm to 64.51 nm during the reaction process of polymer plating, and then the stabilized nano–scale film formed. Contact angle of distilled water for polymer–plated magnesium alloy rose to 117.9o as compared with 45.8o for the substrate; therefore the conversion of functional performance was achieved from hydrophilic to hydrophobic.
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Received: 16 March 2010
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| Fund: Supported by National Natural Science Foundation of China No.50673028 and Guangzhou Science and Technology Development Program No.2009Z2–D811. |
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