期刊论文

Preparation and Characterization of rGO-PPD-MWCNT Hybrid Nano-Composites for Modifying Conductive Coatings

中文

材料保护

1001-1560

2019

52

6

20-26

10.16577/j.cnki.42-1215/tb.2019.06.004

本校为第一机构

为提高接地网导电涂层的导电性及防腐蚀蚀性,采用对苯二胺( PPD)对氧化石墨烯( GO)进行还原改性后与多壁碳纳米管( MWCNT)进行化学接枝,制备了rGO-PPD-MWCNT复合纳米材料;并将此作为导电填料填充到以环氧树脂为基质的涂料中,制备了一种新型的导电涂料。以傅里叶红外光谱仪( FTIR) 、X射线粉末衍射仪( XRD) 、扫描电镜( SEM)研究了复合纳米材料的形貌特征;以电化学方法研究了石墨烯与碳纳米管质量比变化时复合纳米导电涂层导电率、阻抗等的变化特性。结果表明: rGO-PPD-MWCNT复合纳米材料具有良好分散性与协同效应,显著提高了环氧涂层的导电性、防腐蚀性,当PPD还原改性的氧化石墨烯( rGO-PPD)与M...

In order to improve the electrical conductivity and corrosion resistance of grounding-grid conductive coatings,graphene oxide ( rGO) was modified with reduction by p-phenylenediamine( PPD) and then joined with multiwalled carbon nanotubes ( MWCNTs) via chemical grafting to obtain rGO-PPD-MWCNT nanomaterials. Subsequently,the nanomaterials were used as conductive fillers to fill the coatings with epoxy as matrix,and thereby a new kind of conductive coating was obtained. The morphology of samples was studied by Fourier transform infrared spectros...