材料研究学报  2014, Vol. 28 Issue (9): 668-674    DOI: 10.11901/1005.3093.2014.163

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二次插层蒙脱土的制备及其对环氧涂层耐蚀性的影响*

刘明明1,尹桂来2,刘福春1(),唐囡2,韩恩厚1,万军彪2,邓静伟2

1. 中国科学院金属研究所 中国科学院核用结构材料与安全性评价重点实验室 沈阳 110016 2. 国网江西省电力科学研究院 南昌 330096

Preparation of Montmorillonite by Two-step Intercalation and Its Effect on the Corrosion Resistance of Epoxy Coatings

Mingming LIU1,Guilai YIN2,Fuchun LIU1,**(),Nan TANG2,Enhou HAN1,Junbiao WAN2,Jingwei DENG2

1. Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016 2. State Grid Jiangxi Electric Power Research Institute, Nanchang 330096

刘明明,尹桂来,刘福春,唐囡,韩恩厚,万军彪,邓静伟. 二次插层蒙脱土的制备及其对环氧涂层耐蚀性的影响*[J]. 材料研究学报, 2014, 28(9): 668-674.
Mingming LIU, Guilai YIN, Fuchun LIU, Nan TANG, Enhou HAN, Junbiao WAN, Jingwei DENG. Preparation of Montmorillonite by Two-step Intercalation and Its Effect on the Corrosion Resistance of Epoxy Coatings[J]. Chinese Journal of Materials Research, 2014, 28(9): 668-674.

摘要 图/表 参考文献 相关文章 Metrics 全文: PDF(1574 KB)   HTML 摘要:  使用两步插层方法制备了插层蒙脱土, 用红外光谱(IR)和X射线衍射(XRD)图谱对插层效果进行了表征。结果表明, 十八烷基胺以及8-羟基喹啉已进入蒙脱土层间, 蒙脱土层间距分别由1.17 nm增加到1.57 nm和1.82 nm。EIS结果显示插层蒙脱土显著提高了环氧涂层的耐蚀性。 关键词 ： 有机高分子材料,  蒙脱土,  插层剂,  防腐蚀涂料,  输变电设备     Abstract： Two-step intercalation montmorillonites were prepared with montmorillonites (MMTs) as raw material and firstly octadecylamine was used as an modifier to prepare organic MMTs and then 8-hydroxyquinoline as the inhibitor to treat organic MMTs. The MMTs were characterized by infrared spectra and X-ray diffraction. The results show that octadecylamine and 8-hydroxyquinoline have intercalated into the layer of MMTs, and the spacing of MMTs respectively enlarged from 1.17 nm to 1.57 nm and 1.82 nm. The resultant MMTs enhanced significantly the corrosion resistance of the epoxy coating according to EIS results. Key words： organic polymer materials    montmorillonite    intercalation agents    anticorrosive materials    power transmission equipment 收稿日期: 2014-04-01      基金资助:* 国家科技支撑计划项目2012BAB15B00和国家电网公司科技项目521820130014资助。 服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 刘明明 尹桂来 刘福春 唐囡 韩恩厚 万军彪 邓静伟 44.8K 链接本文: https://www.cjmr.org/CN/10.11901/1005.3093.2014.163      或      https://www.cjmr.org/CN/Y2014/V28/I9/668 图1  十八烷基胺改性以及8-羟基喹啉处理蒙脱土的过程 图2  处理方法不同的蒙脱土XRD图 Samples 2θ/(°) d001/nm Unmodified MMT 7.56 1.16798 Modified MMT 5.68 1.55408 Two-step intercalation MMT 4.84 1.82359 表1  不同方法处理蒙脱土层间距 图3  处理方法不同的蒙脱土红外光谱 图4  浸泡时间不同的涂层试样的Nyquist图和Bode图 图5  浸泡时间不同的涂层等效电路图 图6  涂层的电阻和电容随浸泡时间的变化 图7  含有8-羟基喹啉处理蒙脱土的环氧涂层的XRD图 图8  浸泡初期水在涂层中Fick扩散过程线性拟合结果 A B D/cm2s-1 Unmodified MMT/epoxy coating -9.356 2.975×10-5 6.45×10-10 Modified MMT/epoxy coating -9.214 5.856×10-5 4.30×10-10 Two-step intercalation MMT/ epoxy coating -9.242 2.975×10-5 6.50×10-11 表2  涂层的线性拟合及水扩散系数 1 CUI Huiwang,DU Guanben, Characteristics and preparation of OMMT, Industrial Minerals and Processing, (3), 14(2009) 1 崔会旺, 杜官本, 有机蒙脱土的制备及表征, 化工矿物与加工, (3), 14(2009) 2 ZHANG Xiaohong, CAI Libin, YIN Guoqiang, ZHANG Weigang, CUI Yingde, Preparation of organic-intercalated montmorillonite by two-step intercalation, Modern Chemical Industry, 23(11), 38(2003) 2 张小红, 蔡立彬, 尹国强, 张维刚, 崔英德, 二次插层法制备有机蒙脱石的研究, 现代化工, 23(11), 38(2003) 3 CHEN Haiqun, LI Yingyong, ZHU Junwu, YANG Xujie, LU Lude, WANG Xin, Preparation and characterization of the organic montmorillonite with sodium laurylsulfonate, Chinese Journal of Inorganic Chemistry, 20(3), 251(2004) 3 陈海群, 李英勇, 朱俊武, 杨绪杰, 陆路德, 汪 信, 十二烷基磺酸钠改性蒙脱土的制备与表征, 无机化学学报, 20(3), 251(2004) 4 M. 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