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1,2,1,1(1.,100083;2.,250100):,8mg/L,70.2%:;;:TG174.42:A:10052748X(2006)0720346203CORROSIONINHIBITIONOFLOWPHOSPHONICMULTIPOLYMERWATERTREATMENTAGENTTOBRASSWANGChen1,2,SONGCun2yi1,CHENYue2fang1(1.CivilandEnvironmentSchool,UniversityofScienceandTechnologyBeijing,Beijing100083,China;2.LightChemicalandEnvironmentEngineeringDepartment,ShandongInstituteofLightIndustry,Jinan250100,China)Abstract:Alowphosphonicmultipolymerwassynthesizedanditscorrosioninhibitionefficiencytobrassinasyntheticwaterwasinvestigated.Theresultsofweightlossmeasurementsshowedtheinhibitionefficiencywas7012%,whentheconcentrationofthelowphosphonicmultipolymerinhibitorinthesyntheticwaterwas8mgL-1.Theelementanalysisatthesurfaceofbrassspecimensandelectrochemicaltestsshowedthattheinhibitivemechanismofthemultipolymerwastoinhibittheanodicreactionmainlyduetochemicaladsorptionofthemultipolymerinhibitoronactiveplacesofthebrassspecimensurface.Keywords:Lowphosphonicmultipolymer;Inhibitivemechanism;Adsorption,4%,(1719cm-1)(1038cm-11181cm-1)(776cm-11006cm-11126cm-1)1HSn27021B,,(7.35102mg/L)(4.93102mg/L)(6.58102mg/L)(1.68102mg/L)[1]8mg/L:20mm10mm:20052092211mm,20mlcm-2,pH9.0,120ml/min,0.33m/s,451,240h,X(EDX),(Pt),,2.0cm2,EG&GM273,-400mV+600mV,0.166mV/sM35222.11,,,1(b);64327720067CORROSION&PROTECTIONVol.27No.7July2006©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(8mgL-1)0.00500.002720.988.77240-0.0045670.2:m,m0,s,,1(c),X1=8760(m-m0)10st(1)X1,mm/a;m,g;m0,g;s,cm2;,g/cm;t,h;87601;101cm=X0-X1X0100(2),%;X0,mm/a;X1,mm/a10.01531mm/a,0100456mm/a,;8mg/L,70.2%2.22EDX,CuZn,COSEDX,[2,3],OSO2SO2-4CO2-3ZnCu;C,CO2-3ZnCu2(,%)COPSCuZn10.752.530.000.0762.0224.63100.00(8mg/L)15.217.740.100.2655.7920.90100.00,,CuZnCOPSP,C,COPSCuZn,,,[4]2.32,,;,743:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[4,5]38mg/L,::[1].[M].:,2003.156159.[2],,.HA17722[J].,1997,11(3):292296.[3],,,.[J].,1997,14(5):104106.[4].[M].:,1994.2831.[5],,,.[J].,2004,25(5):104107.(345)[3],,,.[J].,1999,12(3):350356.[4].[J].,2001,(1):14.[5]TaloA,PassiniemiP,ForsenO,etal.Polyanilineepoxycoatingwithgoodanticorrosionproperties[J].SyntheticMetal,1997,85:13331334.[6]WesslingB.Passivationofmetalsbycoatingwithpolyaniline:corrosionpotentialshiftandmorphologicalchanges[J].AdvancedMaterials,1994,6:226228.[7]YenWei,JianguoWang,XinruJia,etal.Polyanilineascorrosionprotectioncoatingsoncoldrolledsteel[J].Polymer,1995,36:45354537.[8]LuWK,ElsenbaumerRL,WesslingB.Corrosionprotectionofmildsteelbycoatingscontainingpolyani2line[J].SyntheticMetal,1995,71:21632166.[9],.[J].,1998,13(4):4143.[10]OsterholmSE,CaoY,KlaveterF,etal.Emulsionpolymerizationofaniline[J].SyntheticMetals,1993,5557:10341038.[11]AngelopoulosM,Maric,Gelorme,etal.Water2sol2ubleelectricallyconductionpolymer,theirsynthesisanduse[P].USE:5370825,1994.[12]SamudsonLA,AnaynostopoulosA,AlvaKS,etal.Biologicallyderivedconductingandwatersolublepolyaniline[J].Macromolecules,1998,31:4376.[13]AntonJ,Dominis,Geoffreg,etal.Ade2doping/re2dopingstudyoforganicsolublepolyaniline[J].Syn2theticMetals,2002,129:165172.[14]KwanSikJang,HoosungLee,BonyjinMoon,etal.Synthesisandcharacterizationofwatersolublepoly2pyrroledopedwithfunctionaldopants[J].SyntheticMetals,2004,143:289294.[15]ShojiIto,Kazuhiko,SeiichiJeshima,etal.Simplesynthesisofwater-solubleconductingpolyaniline[J].SyntheticMetals,1998,96:161163.843:©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.