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Effect of New Kinds of Sillitin on Performance of Polyurethane Coating for Electric Power Fittings |
ZHAO Shuyan1, CHEN Junjun2, LIU Fuchun1,**(), XU Song2, KE Wei1, HU Botao2, JIE Ganxin3 |
1. Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China 2. Hunan Electric Power Corporation Research Institute, Changsha 410007, China 3. State Key Laboratory of Environmental Adaptability for Industrial Products,China National Electric Apparatus Research Institute Co., Ltd, Guangzhou 510633, China |
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Cite this article:
ZHAO Shuyan, CHEN Junjun, LIU Fuchun, XU Song, KE Wei, HU Botao, JIE Ganxin. Effect of New Kinds of Sillitin on Performance of Polyurethane Coating for Electric Power Fittings. Chinese Journal of Materials Research, 2016, 30(2): 108-114.
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Abstract Polyurethane coatings with two kinds of sillitin, i.e. M type and Z type sillitin respectively as filler were prepared and sprayed on hot dip galvanized steel sheets. The coatings exhibited better mechanical properties than the simple polyurethane coating, i.e. the wear resistance and the hardness of the polyurethane coating may be enhanced by 57.1% and 14.5%, as well as 85.7% and 41.8% for the addition of M type and Z type sillitin respectively. The coatings with the two types of sillitin exhibited also better corrosion resistance. The reason is that two types of sillitin are of a special structure composed of micro-sized granular silica and nano-flake kaolin clay, and the sillitin possesses high amount of nano-flake, which may be beneficial to the enhancement of the permeation resistance and mechanical properties of the coatings.
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Received: 15 May 2015
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Fund: *Supported by Project of China Power State Grid No. KG12K16004 and the Key Technology of Corrosion Control onWind Power Equipment AcademicianWorkstation Project No. 2013B090400023. |
About author: **To whom correspondence should be addressed, Tel: (024)23915895, E-mail: fcliu@imr.ac.cn |
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