| 石墨烯/氟碳涂层的制备及其耐蚀性能 |
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| 引用本文： | 房亚楠,刘栓,赵文杰,白琴,刘志雄,赵海超.石墨烯/氟碳涂层的制备及其耐蚀性能[J].表面技术,2016,45(11):67-75. |
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| 作者姓名： | 房亚楠 刘栓 赵文杰 白琴 刘志雄 赵海超 |
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| 作者单位： | 上海大学材料科学与工程学院,上海200000;中科院海洋新材料与应用技术重点实验室,浙江省海洋材料与防护技术重点实验室,中科院宁波材料技术与工程研究所,浙江宁波315201;中科院海洋新材料与应用技术重点实验室,浙江省海洋材料与防护技术重点实验室,中科院宁波材料技术与工程研究所,浙江宁波315201;上海大学材料科学与工程学院,上海,200000 |
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| 基金项目： | 国家自然科学基金（51202263、 51335010） ；“ 973”计划项目（2014CB643305） ；宁波市石墨烯重大科技专项（2013B6013） ；中国博士后基金（2015M580528） |
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| 摘 要： | 目的为了增强氟碳涂层的耐蚀性,研究涂层在3.5%NaCl溶液中的失效过程。方法采用硅烷偶联剂对石墨烯进行接枝改性,将改性后的石墨烯添加到氟碳树脂中,制成不同含量的石墨烯氟碳复合涂层。采用傅里叶变换红外光谱、拉曼光谱、透射电镜和扫描电镜,分析了石墨烯改性前后的结构及在涂层中的分散性。采用交流阻抗谱和动电位极化曲线,研究了涂层在模拟海水中的电化学腐蚀行为和失效过程,并考察了涂层的耐盐雾性能。结果石墨烯表面成功接枝官能团,在涂层中分散较均匀。石墨烯对腐蚀介质具有良好的屏障作用。涂层的防护性能随着石墨烯含量的增大先增加后降低,当含量为0.4%(质量分数)时,涂层的腐蚀电流密度为2.209×10~(–10) A/cm~2,氟碳涂层的腐蚀电流密度为6.026×10~(–6) A/cm~2,腐蚀电流密度大大降低,该涂层的耐蚀性能最好,且浸泡360 h内均为浸泡前期,能有效隔绝腐蚀液体的渗透,对Q235钢基底的防护性能最佳。石墨烯含量过高时易团聚,容易引起缺陷,降低涂层的防护作用。结论石墨烯显著提高了氟碳涂层的耐蚀性能。
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| 关 键 词： | 氟碳树脂 石墨烯 分散性 改性 腐蚀行为 电化学 |
| 收稿时间： | 2016/3/17 0:00:00 |
| 修稿时间： | 2016/11/20 0:00:00 |
Preparation and Corrosion Resistance of Graphene/Fluorocarbon Coating |
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| FANG Ya-nan,LIU Shuan,ZHAO Wen-jie,BAI Qin,LIU Zhi-xiong and ZHAO Hai-chao.Preparation and Corrosion Resistance of Graphene/Fluorocarbon Coating[J].Surface Technology,2016,45(11):67-75. |
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| Authors: | FANG Ya-nan LIU Shuan ZHAO Wen-jie BAI Qin LIU Zhi-xiong and ZHAO Hai-chao |
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| Affiliation: | 1.School of Materials and Engineering, Shanghai University, Shanghai 200000, China; 2.Key Laboratory of Marine Materials and Related Technologies of Chinese Academy of Sciences, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering of Chinese Academy of Sciences, Ningbo 315201, China,Key Laboratory of Marine Materials and Related Technologies of Chinese Academy of Sciences, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering of Chinese Academy of Sciences, Ningbo 315201, China,Key Laboratory of Marine Materials and Related Technologies of Chinese Academy of Sciences, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering of Chinese Academy of Sciences, Ningbo 315201, China,School of Materials and Engineering, Shanghai University, Shanghai 200000, China,Key Laboratory of Marine Materials and Related Technologies of Chinese Academy of Sciences, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering of Chinese Academy of Sciences, Ningbo 315201, China and Key Laboratory of Marine Materials and Related Technologies of Chinese Academy of Sciences, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering of Chinese Academy of Sciences, Ningbo 315201, China |
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| Abstract: | |
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| Keywords: | fluorocarbon resin graphene dispersibility modification corrosion behavior electrochemical measurements |
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