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1、润滑油中二烷基二硫代磷酸锌与丁二酰亚胺的复合效应IntroductionLubricatingoilsarecrucialcomponentsinmachinesandenginesastheyhelptoreducefrictionandwear.Theadditionofanti-wearadditiveshasbeenwidelyadoptedtoimprovetheefficiencyandlifespanoflubricants.Amongtheseadditives,zincdialkyldithiophosphate(ZDDP)hasbeenexten
2、sivelyusedduetoitsexcellentanti-wearandanti-oxidationproperties.However,theexcessiveuseofZDDPcanleadtoenvironmentalcontaminationandadverseeffectsonhumanhealth.Therefore,newanti-wearadditiveshavegainedsignificantattentioninthelubricantindustry.Recently,thecombinationofZDDPwithN,N’-dibut
3、yl-2-benzothiazolesulfenamide(DBBS)hasbeenshowntoprovidesuperioranti-wearandfriction-reducingproperties.ComplexEffectofZincDialkyldithiophosphateandN,N’-Dibutyl-2-BenzothiazoleSulfenamideZincdialkyldithiophosphate(ZDDP)isawidelyusedanti-wearadditiveinthelubricantindustry.Ithasbeenprove
4、ntobeeffectiveinreducingfrictionandwear,protectingtheenginefromcorrosion,andpreventingoildegradation.However,theexcessiveuseofZDDPhasbeenknowntocausevariousproblems,suchasfilterblockages,catalyticconverterpoisoning,andenvironmentalpollution.Ontheotherhand,N,N’-dibutyl-2-benzothiazolesu
5、lfenamide(DBBS)isarelativelynewanti-wearadditivethathasgainedsignificantattentionduetoitsexcellentfriction-reducingandanti-wearproperties.Itactsasasulfurdonor,providingaprotectivelayeronthemetalsurfacewhilereducingfrictionbetweenmovingparts.Furthermore,ithasalowertoxicityprofilecompare
6、dtoZDDP,makingitanattractivealternativeanti-wearadditive.ThecombinationofZDDPandDBBShasbeenshowntohavesynergisticeffectsthatenhancetheanti-wearandfriction-reducingpropertiesoflubricatingoils.ThecomplexeffectofZDDPandDBBSistheresultofthecoordinationandinteractionbetweenthetwoadditives.T
7、hesulfurinDBBSundergoesaredoxreactionwiththezincinZDDP,resultingintheformationofaprotectivelayeronthemetalsurface.Thislayernotonlyprovidesanti-wearprotectionbutalsoreducesfrictionbetweenmovingparts.Furthermore,theuseofZDDPandDBBSintandemcanreducetheconcentr
