石墨烯片/聚吡咯复合材料的制备与防护性能
Preparation and Protection Properties of Graphene Sheets/Polypyrrole Composites
摘 要
利用改进的Hummers法制得了氧化石墨烯(GO)并还原得到石墨烯片(RGOS); 采用乳液聚合法制取了石墨烯片/聚吡咯复合材料(RGOS/PPy)。用拉曼光谱(Raman)、原子力显微镜(AFM)、扫描电镜(SEM)和红外光谱(FT-IR)等分析手段对石墨烯及其复合材料进行表征。力学性能测试结果表明, 一定量的石墨烯复合材料能够大大增强环氧树脂涂层的冲击强度(267%)和硬度(24.2%)。电化学测试结果表明, 石墨烯/聚吡咯复合材料-环氧树脂涂层的防护性能要比单独的环氧树脂涂层更好。
石墨烯片/聚吡咯复合物
力学性能
防护性能
graphene
graphene/polypyrrole composite
mechanical property
protection property
Abstract
Graphene oxide (GO) was synthesized from graphite using the Hummers method, GO was reduced by graphene sheets(RGOS), and graphene/polypyrrole composites(RGOS/PPy) was prepared by emulsion polymerization. The GO, RGOS and RGOS/PPy were characterized by Raman spectroscopy (Raman), atomic force microscopy (AFM), scanning electron microscopy (SEM) and infrared spectroscopy (FT-IR). The measurements of mechanical properties and electrochemical behavior were carried out to evaluate the impact strength, hardness and corrosion resistance of the epoxy coatings containing RGOS/PPy. The results of the measurements of mechanical properties demonstrated that the epoxy coatings containing RGOS/PPy greatly enhanced the impact strength (267%) and hardness (24.2%). Electrochemical measurements showed that the anticorrosion properties of the epoxy resin coating with RGOS /ppy were greatly enhanced.
中图分类号 TG174.46
所属栏目 试验研究
基金项目 油气藏地质及开发工程国家重点实验室(西南石油大学)开放课题(PLN1123)
收稿日期 2013/12/12
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联系人作者柯强(602015653@qq.com)
备注柯强(1969-), 副教授, 博士, 从事电分析化学研究,
引用该论文: KE Qiang,CHEN Song,LIU Song,WU Bing-yan,WANG Yi-zhi. Preparation and Protection Properties of Graphene Sheets/Polypyrrole Composites[J]. Corrosion & Protection, 2014, 35(10): 997
被引情况:
【1】王慧龙,朱璐玮,姜文凤, "植酸盐掺杂聚吡咯/纳米SiO2/环氧树脂长效耐蚀涂层的制备及缓蚀性能",腐蚀与防护 37, 269-273(2016)
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【8】DAS B, PRASAD K E, RAMAMURTY U, et al. Nano-indentation studies on polymer matrix composites reinforced by few-layer graphene[J]. Nanotechnology, 2009, 20(12): 125705/1-125705/5.
【9】YU ROK LEE, ANJANAPURA V RAGHU, et al. Properties of waterborne polyurethane/functionalized graphene sheet nanocomposites prepared by an in situ method[J]. Macromol Chem Phys, 2009, 210: 1247-1254.
【10】DAVID W D. Modification of the electrochemical and corrosion behavior of stainles steels with an electroactive coating[J]. Journal of The Electrochemical Society, 1985, 132(5): 1022-1026.
【11】冯便绥, 朱冬梅, 王艳, 等. 金属防腐用片状导电聚吡咯粉的制备与表征[J]. 现代涂料与涂装, 2010, 13(8): 37.
【12】詹臻毅. 防腐涂料的研究与发展[J]. 河南化工, 2011, 28(1): 19-21.
【13】HUMMERS W S, OFFEMAN R E. Preparation of graphitic oxide[J]. J Am Chem Soc, 1958, 80: 1339.
【14】MEYER J C, GEIM A K, KATSNELSON M I, et al. The structure of suspended graphene sheets[J]. Nature, 2007, 446: 60-63.
【15】GUPTA V, GUPTA S, MIURA N. Potentiostatically deposited nanostructured CoxNi1-xlayered double hydroxides as electrode materials for redox-supercapacitors[J]. J Power Sources, 2008, 175(1): 680-685.
【16】WANG Y, SHI Z Q, HUANG Y, et al. Supercapacitor devices based on graphene materials[J]. J Phys Chem C, 2009, 113(30): 13103-13107.
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