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Application of 1D attapulgite as reservoir with benzotriazole for corrosion protection of carbon steel
Liu, Xuehui1; Cheng, Yuchuan2; Wang, Wei3; Liu, Fenghua2; Hou, Baorong1,3
2018-02-01
发表期刊MATERIALS CHEMISTRY AND PHYSICS
卷号205页码:292-302
文章类型Article
摘要The development of active systems to protect metal substrates against corrosion by using inhibitor loaded nanocontainers is a promising approach for many industrial applications. This study introduces attapulgite as a reservoir for loading a corrosion inhibitor (benzotriazole). As a key component, inhibitor loaded attapulgite was dispersed in a water-based epoxy coating to protect carbon steel. The release behavior of the encapsulated inhibitor from the attapulgite nanocontainers in response to pH variation was investigated using UV-visible spectroscopy. The corrosion properties of the composite coatings were explored by electrochemical impedance spectroscopy. The coating with inhibitor-loaded attapulgite demonstrated enhanced film barrier properties compared with blank coating. The scratched coating with inhibitor-loaded attapulgite showed increased corrosion resistance relative to that of the blank coating after immersion and hence exhibited an active corrosion protection. The coating's self-healing mechanism can be attributed to the passive film formation on the metal surface promoted by the inhibitor release from the nanocontainers. (C) 2017 Elsevier B.V. All rights reserved.
关键词Attapulgite Corrosion Nanocontainers Self-healing Electrochemical Impedance Spectroscopy
DOI10.1016/j.matchemphys.2017.11.038
收录类别SCI
语种英语
WOS记录号WOS:000424174900036
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/154349
专题海洋腐蚀与防护研究发展中心
作者单位1.Shandong Univ, Inst Marine Sci & Technol, 27 South Shanda Rd, Jinan 250100, Shandong, Peoples R China
2.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Zhejiang Key Lab Addit Mfg Mat, Zhongguan West Rd 1219, Ningbo 315201, Zhejiang, Peoples R China
3.Chinese Acad Sci, Natl Engn Ctr Marine Corros Protect, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
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Liu, Xuehui,Cheng, Yuchuan,Wang, Wei,et al. Application of 1D attapulgite as reservoir with benzotriazole for corrosion protection of carbon steel[J]. MATERIALS CHEMISTRY AND PHYSICS,2018,205:292-302.
APA Liu, Xuehui,Cheng, Yuchuan,Wang, Wei,Liu, Fenghua,&Hou, Baorong.(2018).Application of 1D attapulgite as reservoir with benzotriazole for corrosion protection of carbon steel.MATERIALS CHEMISTRY AND PHYSICS,205,292-302.
MLA Liu, Xuehui,et al."Application of 1D attapulgite as reservoir with benzotriazole for corrosion protection of carbon steel".MATERIALS CHEMISTRY AND PHYSICS 205(2018):292-302.
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