资源描述:
《聚苯胺_石墨烯水性涂料的制备及其防腐性能研究_张兰河》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第35卷增刊中国电机工程学报Vol.35SupplementSep.30,20151702015年9月30日ProceedingsoftheCSEE©2015Chin.Soc.forElec.Eng.DOI:10.13334/j.0258-8013.pcsee.2015.S.023文章编号:0258-8013(2015)S-0170-07中图分类号:TB304聚苯胺/石墨烯水性涂料的制备及其防腐性能研究121113张兰河,李尧松,王冬,张万友,刘春光,王旭明(1.东北电力大学化学工程学院,吉林省吉林市132012;2.中国能源建设集团山西省电力
2、勘测设计院有限公司,山西省太原市030001;3.北京农业生物技术研究中心,北京市海淀区100089)StudyonPreparationandAnti-corrosionPropertiesofPolyaniline/GrapheneWaterborneCoatings121113ZHANGLanhe,LIYaosong,WANGDong,ZHANGWanyou,LIUChunguang,WANGXuming(1.SchoolofChemicalEngineering,NortheastDianliUniversity,Jilin132012
3、,JilinProvince,China;2.ShanxiElectricPowerSurvey&DesignInstituteCo.,Ltd,ChinaEnergyEngineeringGroup,Taiyuan030001,ShanxiProvince,China;3.BeijingAgro-BiotechnologyResearchCenter,HaidianDistrict,Beijing100089,China)ABSTRACT:Inordertoimprovetheanti-corrosionofKEYWORDS:polyanili
4、ne/graphene;waterbornecoating;polyanilinewaterbornecoatings,polyaniline/grapheneanti-corrosionproperties;barrierpropertiescomposite(PAG)waspreparedbypolymerizationin摘要:为了提高聚苯胺水性涂料的防腐性能,利用苯胺和氧situ-reductionmethodusinganilineandgraphiteoxide(GO)as化石墨烯(GO)作为原料,采用原位聚合−还原法制备聚苯胺ra
5、wmaterials,andfurthermore,polyaniline/graphene/石墨烯(PAG)复合材料,再利用PAG与水性环氧树脂共混waterbornepaintwaspreparedusingcrossblendmethodwith制备聚苯胺/石墨烯水性环氧防腐涂料。通过傅里叶红外光PAGandwaterboneepoxyasrawmaterials.Thestructureand谱(FTIR)、X射线衍射(XRD)、扫描电镜(SEM)分析PAG的morphologyofpolyaniline/graphenecomposi
6、tewere结构和微观形貌,利用动电位极化曲线和电化学交流阻抗谱investigatedwithFouriertransforminfraredspectroscopy(EIS)分析PAG水性涂层的防腐性能。结果表明,PAG保持(FTIR),X-raydiffraction(XRD)andscanningelectron了石墨烯的基本形貌,聚苯胺颗粒均匀地分散在石墨烯表面microscope(SEM).Theanti-corrosionperformanceofPAG和片层间,形成片状插层结构;当PAG浸泡在3.5%NaClwaterborne
7、paintwasanalyzedbypotentiodynamic溶液中,PAG涂层的阻抗值最大,腐蚀电流密度为polarizationcurvesandelectrochemicalimpendence224.30μA/cm,PAG对碳钢的保护度达到94.24%,优于PANIspectroscopy(EIS).TheresultsshowthatPAGcomposites水性涂料的防腐性能(PANI水性涂层涂覆碳钢的腐蚀电流remainbasicmorphologyofgrapheneandpolyanilineparticles2密度和保护
8、度分别为43.17μA/cm和88.97%);与PANI水aredisperseduniformlybetweenthesurfaceandsheet