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材料研究学报  2017, Vol. 31 Issue (11): 818-826    DOI: 10.11901/1005.3093.2016.497
  研究论文 本期目录 | 过刊浏览 |
装载8-羟基喹啉的纳米SiO2/环氧涂层的耐腐蚀机理研究
孙伟1, 刘福春1(), 揭敢新2, 柯伟1, 韩恩厚1, 王俊2, 黄海军2, 都郁1
1 中国科学院核用材料与安全评价重点实验室中国科学院金属研究所沈阳 110016。
2 工业产品环境适应性国家重点实验室中国电器科学研究院有限公司广州 510663。
Investigation on Anti-corrosion Mechanism of 8-hydro-xyquinoline Modified Nano-silica/epoxy Coatings
Wei SUN1, Fuchun LIU1(), Ganxin JIE2, Wei KE1, En-Hou HAN1, Ju WANG2, Haijun HUANG2, Yu DU1
1 Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China.
2 State Key Laboratory of Environmental Adaptability for Industrial Products, China National Electric Apparatus Research Institute Co., Ltd, Guangzhou 510633, China.
引用本文:

孙伟, 刘福春, 揭敢新, 柯伟, 韩恩厚, 王俊, 黄海军, 都郁. 装载8-羟基喹啉的纳米SiO2/环氧涂层的耐腐蚀机理研究[J]. 材料研究学报, 2017, 31(11): 818-826.
Wei SUN, Fuchun LIU, Ganxin JIE, Wei KE, En-Hou HAN, Ju WANG, Haijun HUANG, Yu DU. Investigation on Anti-corrosion Mechanism of 8-hydro-xyquinoline Modified Nano-silica/epoxy Coatings[J]. Chinese Journal of Materials Research, 2017, 31(11): 818-826.

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摘要: 

使用纳米SiO2作为载体、8-羟基喹啉作为客体制备纳米SiO2/8-羟基喹啉组合物,将其添加到环氧树脂中制备出装载8-羟基喹啉的纳米SiO2/环氧涂层。对其进行盐雾和电化学阻抗谱实验,研究了装载8-羟基喹啉的纳米SiO2/环氧涂层的耐腐蚀机理。结果表明,纳米SiO2/8-羟基喹啉组合物提高了环氧涂层的耐腐蚀性能,添加5%(质量分数)纳米SiO2/8-羟基喹啉组合物的环氧涂层的耐腐蚀性能较优。8-羟基喹啉从纳米SiO2孔道中释放并渗透到涂层与钢基材的界面形成含铁的铬合物膜,阻挡了腐蚀介质的渗入,使Q235钢基体的耐腐蚀性能提高。

关键词 材料失效与保护风电设备纳米SiO2钢基体缓释剂作用机理    
Abstract

Composites of 8-hydroxyquinoline/nano-SiO2 were prepared with nano-SiO2 as carrier and 8-hydroxyquinoline as modifier. Then the composistes were blended with epoxy resin to form the nanocomposite epoxy coating. The corrosion performance of the prepared composite coating was investigated by means of salt spray test and electrochemical impedance spectroscopy. Results show that composites of 8-hydroxyquinoline/nano-SiO2 can improve the corrosion resistance of the epoxy coatings, among others the coating with 5% (mass fraction) 8-hydroxyquinoline/nano-SiO2 was the optimal. The relevant mechanism may be ascribed to the fact that 8-hydroxyquinoline could release from pores of nano-SiO2 and then penetrate to the interface coating/steel substrate forming Fe-containing complex, thus improving the corrosion resistance of the steel substrate.

Key wordsmaterials failure and protection    wind power equipment    nano-container    sustained release mechanism    steel substrate
收稿日期: 2016-11-07     
作者简介: 姚学峰,男,1991年生,硕士生
图1  纳米SiO2和HQ-SiO2的TEM像
图2  不同时间纳米SiO2载体负载8-羟基喹啉释放曲线
Sample 1 2 3 4 5 Mean
B0 6.8 6.7 6.8 6.5 6.1 6.58
B1 7.2 7.2 7.3 7.6 6.9 7.24
B3 7.5 7.8 7.5 7.9 8.2 7.78
B5 7.6 7.8 8.3 8.5 8.7 8.18
表1  B0、B1、B3、B5四种涂层的拉开法附着力测试结果
图3  涂层试样盐雾实验1000 h后的照片
Sample Small bubble area% Mid-bubble area/% Big bubble area/% Average width of corrosion expansion/mm
(a) 85 5 0 7.6
(b) 15 1 0 7.3
(c) 10 1 0 5.6
(d) 0 1 0 6.4
表2  盐雾实验1000 h后涂层试样的腐蚀情况
图4  涂层试样盐雾实验1000 h后划痕处横截面SEM图
图5  不同含量HQ-SiO2环氧涂层试样在3.5%NaCl溶液中浸泡不同时间的Bode图
图6  等效电路图
图7  涂层电阻随浸泡时间的变化
图8  Q235钢表面带有人造缺陷的5% HQ-SiO2环氧涂层在3.5%NaCl溶液中电流密度分布图
图9  红外光谱图(a)8-羟基喹啉(b)二氧化硅装载8-羟基喹啉(c)腐蚀产物
[1] Funke W.Toward a unified view of the mechanism responsible for paint defects by metallic corrosion[J]. Industrial & Engineering Chemistry Product Research & Development, 1985, 24(3): 343
[2] Y. Gan,Y. Li, H. C. Lin.Experimental studies on the local corrosion of low alloy steels in 3.5% NaCl[J]. Corrosion Science, 2001, 43(3): 397
[3] Khramov A N, Voevodin N N, Balbyshev V N. Hybrid organ-ceramic corrosion protection coatings with encapsulated organic corrosion inhibitors[J]. Thin Solid Films, 2004, 447/448: 549
[4] Zheludkevich M L, Yasakau K A, Poznyak S K.Triazole and thiazole derivatives as corrosion inhibitors for AA2024 aluminum alloy[J]. Corrosion Science, 2005, 47(12): 3368
[5] Tianhui Hu, Hongwei Shi, Tao Wei, et al.Cerium titrate as a corrosion inhibitor for AA 2024-T3[J]. Corrosion Science, 2015, 95: 152
[6] Zong Q, Wang L, Sun W.Active deposition of bis (8-hydroxyquinoline) magnesium coating for enhanced corrosion resistance of AZ91D alloy[J]. Corrosion Science, 2014, 89: 127
[7] Shen S, Zuo Y, Zhao X.The effects of 8-hydroxyquinoline on corrosion performance of a Mg-rich coating on AZ91D magnesium alloy[J]. Corrosion Science, 2013, 76(10): 275
[8] Hongwei Shi, Fuchun Liu, Lihong Yang, et al.Characterization of protective performance of epoxy reinforced with nanometer sized TiO2 and SiO2[J]. Progress in Organic Coatings, 2008, 62(4): 359
[9] Li Y Z, Xu W, Zhang W K, et al.Foliate functionalized carbon nanotubes for delivery and controlled release of ibuprofen[J]. Functional materials, 13(46), 13070(2015)(李育珍, 徐伟, 张卫珂等. 叶酸功能化碳纳米管负载布洛芬及可控释放[J]. 功能材料, 2015, 13(46): 3070
[10] Wei M, Jiang W F, Wang H L.Synthesis and corrosion inhibition effect of 8-hydroxyquinoline azole derivatives to carbon steel in hydrochloric acid solution[J]. Corrosion & Protection, 2014, 35(2): 142(魏萌, 姜文凤, 王慧龙. 新型8-羟基喹啉唑类化合物对HCl介质中碳钢的缓蚀作用[J]. 腐蚀与防护, 2014, 35(2): 142)
[11] Zhao X N.The researching present situation and development of organic inhibition of copper[J]. Science & Technology, 2008, 21(1): 38(赵小能. 有机类铜缓蚀剂的现状研究与发展[J]. 科技信息,2008, 21(1): 38)
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