Synthesis of anticorrosion nanohybrid films based on bioinspired dopamine, L-cys/CNT@PDA through self-assembly on 304 stainless steel in 3.5% NaCl
Synthesis of anticorrosion nanohybrid films based on bioinspired dopamine, L-cys/CNT@PDA through self-assembly on 304 stainless steel in 3.5% NaCl
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DOI：
10.1016/j.bioelechem.2018.11.012
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发表时间：
2019-04-01
影响因子：
5
通讯作者：
Ghasemi, Shahram
中科院分区：
文献类型：
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作者：
Elmi, Fatemeh;Valipour, Elahe;Ghasemi, Shahram
将多壁碳纳米管（MWCNTs）纳米杂化膜成功地涂覆在304-不锈钢（304ss）表面。该纳米复合材料是由聚（多巴胺）的自组装制成的，通过贻贝启发的方法，用MWCNTs （CNT@PDA）包裹。为了增强耐蚀性，采用浸涂工艺在304ss表面构建了l -半胱氨酸内层，通过巯基（-SH）官能团构建了一种粘附氨基酸。动电位极化测量和电化学阻抗谱分析表明，该双纳米层在3.5% NaCl环境下具有良好的防腐性能，具有疏水性、坚固性和致密性。(C) 2018 Elsevier B.V.版权所有
Nanohybrid films containing multiwalled carbon nanotubes (MWCNTs) were successfully coated on 304-stainless steel (304ss) for anti-corrosion use. The nanocompositewas made by a self-assembly of poly (dopamine), wrapped with MWCNTs (CNT@PDA) through a mussel inspired method. In order to enhance the corrosion protection, an inner layer of L-cysteine, an adhesive amino acid to 304ss surface through thiol (-SH) functional group were constructed through a dip-coating process. Potentiodynamic polarization measurements and electrochemical impedance spectroscopy revealed that the double nano-layer could act as a noble anticorrosive coating in 3.5% NaCl, which was assigned to the hydrophobicity, robustness, and dense double layer coating. (C) 2018 Elsevier B.V. All rights reserved.