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1、缓蚀剂又称腐蚀（Corrosioninhibitorsarealsocalledcorrosion）Alsoknownascorrosioninhibitorcorrosioninhibitorinhibitor.TheAmericanSocietyfortestingandmaterialsASTM-G15~76"onthecorrosionandcorrosionteststandardto"intermsofinhibitorisdefinedas:corrosioninhibitorisak
2、indofwhenittotheappropriateconcentrationandformintheenvironment(medium)chemicalscanpreventorreducecorrosionorcompositematerial.Corrosioninhibitorcalledcorrosioninhibitor.Thataddedtothewatercaninterferewithelectrochemicalcorrosion,akindofmaterialtopreve
3、ntorreducethecorrosionrateofmetalsareknownascorrosioninhibitors.Itisthroughtheformationofprotectivefilmonthemetalsurfacetopreventcorrosion.Therearemanykindsofcorrosioninhibitors.Accordingtothepharmaceuticalchemicalcompositioncanbedividedinto:inorganici
4、nhibitorandorganicinhibitortwocategories.AccordingtotheeffectofFungicidesontheelectrochemicalcorrosionprocessofdifferentcategoriescanbedividedinto:theanodiccorrosioninhibitorandcathodiccorrosioninhibitorandanodecorrosioninhibitor.Accordingtotheagentont
5、hesurfaceofthemetalfilmtoformavarietyofdifferentcanbedividedinto:filmtype,precipitationandadsorptionofmembranetypemembrane.Attheappropriateconcentrationandformintheenvironment(medium)whenchemicalscanpreventorslowdownthecorrosionofmaterialsorcomposites,
6、sothecorrosioninhibitorcanalsobeknownascorrosioninhibitor.Theinhibitorhasavarietyofclassificationmethods,thecorrosioninhibitorclassificationfromdifferentangles.(1)accordingtothechemicalcompositionofproducts,canbedividedintoinorganicinhibitor,corrosioni
7、nhibitor,organicpolymerinhibitor.Theinorganicinhibitorinorganicinhibitormainlyincludingchromate,nitrite,silicate,tungstateandmolybdate,phosphate,zincsalt.Theorganicinhibitoroforganicinhibitorsincludingphosphonicacid(salt),phosphinecarboxylicacid,mercap
8、tobenzothiazole,benzotriazolethree,sulfonatedligninandsomecompoundscontainingnitrogenandoxygenheterocycliccompounds.ThepolymerinhibitorpolymerinhibitoraslongaspolyethylenePOCA,polymerchemistry,polyasparticacidandsomeotheroligomers.(2)ac
