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Effects of N-alkylation on anticorrosion performance of doped polyaniline/epoxy coating
Liu, Suyun1,2; Liu, Li1,3; Li, Ying1; Wang, Fuhui1,3
Corresponding AuthorLiu, Li(liliu@imr.ac.cn)
2020-02-15
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume39Pages:48-55
AbstractN-alkylation of sulfosalicylic acid-doped polyaniline (PANI-SSA) was used to promote the anticorrosion performance of PANI-SSA/epoxy coating for 5083 Al alloy. PANI-SSA was modified with C5H11Br and C12H25Br in polar solvents IPA (isopropanol) and DMF (dimethylformamide), and then characterized by FTIR, XPS and sedimentation experiments. Results showed that alkanes were successfully linked onto the PANI-SSA chains. The compatibility between N-alkylated PANI-SSA and epoxy/xylene solution was improved. SEM results proved a better dispersion performance of N-alkylated PANI-SSA in epoxy coatings, with less holes and aggregations. Corrosion protection of the epoxy coatings incorporating PANI-SSA and N-alkylated PANI-SSA on 5083 Al alloy was studied by EIS and adhesion measurements in 3.5% NaCl solution. It turned out that the epoxy coating including C12H25Br-modified PANI-SSA in DMF has yielded the highest values of impedance modulus and best protective properties. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordPolyaniline Coating Modification Al alloy Anticorrosive property
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/j.jmst.2019.06.012
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51622106] ; National Natural Science Foundation of China[51871049]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000510492000007
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/137274
Collection中国科学院金属研究所
Corresponding AuthorLiu, Li
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110819, Peoples R China
Recommended Citation
GB/T 7714
Liu, Suyun,Liu, Li,Li, Ying,et al. Effects of N-alkylation on anticorrosion performance of doped polyaniline/epoxy coating[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,39:48-55.
APA Liu, Suyun,Liu, Li,Li, Ying,&Wang, Fuhui.(2020).Effects of N-alkylation on anticorrosion performance of doped polyaniline/epoxy coating.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,39,48-55.
MLA Liu, Suyun,et al."Effects of N-alkylation on anticorrosion performance of doped polyaniline/epoxy coating".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 39(2020):48-55.
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