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首页> 美国卫生研究院文献>International Journal of Molecular Sciences >Synthesis of Environmentally Friendly Highly Dispersed Magnetite Nanoparticles Based on Rosin Cationic Surfactants as Thin Film Coatings of Steel
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Synthesis of Environmentally Friendly Highly Dispersed Magnetite Nanoparticles Based on Rosin Cationic Surfactants as Thin Film Coatings of Steel

机译：基于松香阳离子表面活性剂作为钢薄膜涂层的环保型高分散磁铁矿纳米粒子的合成

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摘要

This work presents a new method to prepare monodisperse magnetite nanoparticles capping with new cationic surfactants based on rosin. Core/shell type magnetite nanoparticles were synthesized using bis-N-(3-levopimaric maleic acid adduct-2-hydroxy) propyl-triethyl ammonium chloride (LPMQA) as capping agent. Fourier transform infrared spectroscopy (FTIR) was employed to characterize the nanoparticles chemical structure. Transmittance electron microscopies (TEM) and X-ray powder diffraction (XRD) were used to examine the morphology of the modified magnetite nanoparticles. The magnetite dispersed aqueous acid solution was evaluated as an effective anticorrosion behavior of a hydrophobic surface on steel. The inhibition effect of magnetite nanoparticles on steel corrosion in 1 M HCl solution was investigated using potentiodynamic polarization curves and electrochemical impedance spectroscopy (EIS). Results obtained from both potentiodynamic polarisation and EIS measurements reveal that the magnetite nanoparticle is an effective inhibitor for the corrosion of steel in 1.0 M HCl solution. Polarization data show that magnetite nanoparticles behave as a mixed type inhibitor. The inhibition efficiencies obtained from potentiodynamic polarization and EIS methods are in good agreement.
机译：这项工作提出了一种新的方法，以制备新的基于松香的阳离子表面活性剂封端的磁铁矿纳米颗粒。使用双-N-（3-左旋海马来酸马来酸加合物-2-羟基）丙基三乙基氯化铵（LPMQA）作为封端剂合成核/壳型磁铁矿纳米颗粒。傅里叶变换红外光谱（FTIR）用于表征纳米粒子的化学结构。透射电子显微镜（TEM）和X射线粉末衍射（XRD）用于检查改性磁铁矿纳米颗粒的形貌。磁铁矿分散的酸性水溶液被评估为钢上疏水表面的有效防腐性能。使用电位动力学极化曲线和电化学阻抗谱（EIS）研究了磁铁矿纳米颗粒对1 M HCl溶液中钢腐蚀的抑制作用。从电位动力学极化和EIS测量获得的结果表明，磁铁矿纳米颗粒是1.0 M HCl溶液中钢腐蚀的有效抑制剂。极化数据表明，磁铁矿纳米粒子具有混合型抑制剂的作用。从电位动力学极化和EIS方法获得的抑制效率非常一致。

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