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Optimizing maleic anhydride microcapsules size for use in self-healing epoxy-based coatings for corrosion protection of aluminum alloy
Njoku, Chigoziri N.1,2; Arukalam, Innocent O.1,3; Bai, Weichen1,2; Li, Ying1
Corresponding AuthorLi, Ying(liying@imr.ac.cn)
2018-09-01
Source PublicationMATERIALS AND CORROSION-WERKSTOFFE UND KORROSION
ISSN0947-5117
Volume69Issue:9Pages:1257-1267
AbstractDue to the significance of self-healing coatings in recent years, there has been increasing desire to optimize process parameters for effective control of functions of the coatings for durable application. Among various approaches for achieving desired optimized properties, the use of central composite design (CCD) of the response surface methodology (RSM) remains an effective and reliable technique. Thus, the objective of this study was to develop an appropriate model for optimization of size of microcapsule to be used in synthesis of maleic anhydride-based microcapsules for self-healing function in defective epoxy coating. In this regard, a model was generated to estimate the effect of two process parameters (stirring speed and reaction time at constant temperature). The average size of microcapsules obtained experimentally (24.46m) was closely comparable to 25.27m obtained by the theoretical technique. Microcapsules were prepared based on these optimized size of microcapsule and the synthesized microcapsules were characterized. Also, effectiveness of these microcapsules in coatings was characterized by studying their adhesion performance, self-healing functions under salt spray corrosion test, and anti-corrosion by use of electrochemical impedance spectroscopy (EIS). Successful self-healing function has been demonstrated by reason of anti-corrosion effectiveness of maleic anhydride-filled microcapsules.
Keywordcorrosion microcapsules optimization response surface methodology self-healing coatings
Funding OrganizationInstitute of Metal Research (IMR) ; University of Chinese Academy of Sciences (UCAS)
DOI10.1002/maco.201709972
Indexed BySCI
Language英语
Funding ProjectInstitute of Metal Research (IMR) ; University of Chinese Academy of Sciences (UCAS)
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000443576500010
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129337
Collection中国科学院金属研究所
Corresponding AuthorLi, Ying
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Corros & Protect Div, 62 Wencui Rd, Shenyang 110016, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Fed Univ Technol Owerri, Dept Polymer & Text Engn, PMB 1526, Owerri, Nigeria
Recommended Citation
GB/T 7714
Njoku, Chigoziri N.,Arukalam, Innocent O.,Bai, Weichen,et al. Optimizing maleic anhydride microcapsules size for use in self-healing epoxy-based coatings for corrosion protection of aluminum alloy[J]. MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,2018,69(9):1257-1267.
APA Njoku, Chigoziri N.,Arukalam, Innocent O.,Bai, Weichen,&Li, Ying.(2018).Optimizing maleic anhydride microcapsules size for use in self-healing epoxy-based coatings for corrosion protection of aluminum alloy.MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION,69(9),1257-1267.
MLA Njoku, Chigoziri N.,et al."Optimizing maleic anhydride microcapsules size for use in self-healing epoxy-based coatings for corrosion protection of aluminum alloy".MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION 69.9(2018):1257-1267.
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