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文档简介PolymerplatingonAZ31magnesiumalloysurfaceandfilmevaluationofcorrosionpropertyZhixinKang,JingSang,MingShao,YuanyuanLiThepolymericthinfilmwaspreparedonthesurfaceofAZ31magnesiumalloybypolymerplatingof6-dihexylamino-1,3,5-triazine-2,4-dithiolmonosodium（DHN）inordertomodifyitssurfacefeatureandtoimproveitsanti-corrosiveproperty.Cyclicvoltammetrywasusedtostudytheelectrochemicalreactionandfilmgrowthprocessofpoly（6-dihexylamino-1,3,5-triazine-2,4-dithiol）（PDH）film,andthereactionpeaksforfilmformationandgrowthwereaffirmed.Thepolymericfilmweightwasdeterminedbyelectronicbalanceanditsinsolublefractionintetrahydrofuranwasalsomeasured.Contactanglemeterwasappliedtotestthesurfacewettabilitywithdistilledwaterdropsatambienttemperature.Itwasfoundthatthepolymer-platedAZ31alloyshowedhydrophobicpropertywithitsdistilledwatercontactangleupto117.2.TheperformancepropertyofpolymericthinfilmformedonAZ31surfacewasstudiedbypotentiodynamicpolarizationandelectrochemicalimpedancespectroscopy（EIS）inthecorrosionsolutionof3.5%NaCl.Theelectrochemicalexperimentresultsshowedthatpolymer-platedthinfilmwithhydrophobicandinsulativecharacteristicscouldprovidesurfacemodificationandaneffectiveanti-corrosiveprotectiontomagnesiumalloysubstratecomparedtotheblankone.