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      Anticorrosion Coatings from Poly (Aniline-co-2- Ethylaniline) Micro/Nanostructures

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          Abstract

          PANI copolymer micro/nanostructures with different surface wettability were obtained from the chemical oxidation copolymerization of aniline (Ani) with 2-ethyl aniline (EA) at diverse [EA]/[Ani+EA] molar ratios, by employing ammonium persulfate as an oxidant. The results revealed that the poly (aniline-co-2-ethyl aniline) (PANI-EA) copolymer micro/nanostructures exhibited satisfactory anticorrosion performance for carbon steel, and the corrosion protection efficiency increased with the increase of water repellent property. Poly (2-ethyl aniline) (PEA) showed the largest contact angle (CA=145˚) and show the best corrosion protection for the carbon steel ( η = 87.29%). It is found that the superior anticorrosion property of PEA is attributed to its high hydrophobicity, low conductivity and low porosity.

          Author and article information

          Journal
          JOUC
          Journal of Ocean University of China
          Science Press and Springer (China )
          1672-5182
          12 November 2019
          01 December 2019
          : 18
          : 6
          : 1371-1381
          Affiliations
          [1] 1Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266003, China
          [2] 2College of Chemical Engineering and Biological Technology, Xingtai University, Xingtai 054001, China
          [3] 3Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266100, China
          Author notes
          *Corresponding authors: ZHANG Zhiming and YU Liangmin
          Article
          s11802-019-3855-0
          10.1007/s11802-019-3855-0
          4ef21d45-0b41-4a07-9399-0c32378bf6b0
          Copyright © Ocean University of China, Science Press and Springer-Verlag GmbH Germany 2019.

          The copyright to this article, including any graphic elements therein (e.g. illustrations, charts, moving images), is hereby assigned for good and valuable consideration to the editorial office of Journal of Ocean University of China, Science Press and Springer effective if and when the article is accepted for publication and to the extent assignable if assignability is restricted for by applicable law or regulations (e.g. for U.S. government or crown employees).

          History
          : 3 May 2018
          : 7 November 2018
          : 24 March 2019

          Earth & Environmental sciences,Geology & Mineralogy,Oceanography & Hydrology,Aquaculture & Fisheries,Ecology,Animal science & Zoology
          polyaniline,poly (aniline-co-2-ethylaniline) micro/nanostructures,corrosion protection,wettability

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