新型表面活性剂的制备及其作为精练剂的应用性能分析-preparation of new surfactant and analysis of its application performance as scouring agent.docx

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2018-06-03 发布于上海
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新型表面活性剂的制备及其作为精练剂的应用性能分析-preparation of new surfactant and analysis of its application performance as scouring agent.docx

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新型表面活性剂的制备及其作为精练剂的应用性能分析-preparation of new surfactant and analysis of its application performance as scouring agent

ThepreparationofnovelsurfactantandstudyofapplicationperformanceasascouringagentAbstractThepreparationofnovelsurfactantandstudyofapplicationperformanceasascouringagentAbstractSurfactantiseasytogatherintheinterfaceduetoitsamphiphilicstructurewhichgreatlyreducesthesurfacetensionofthesolvent;therefore,itiswidelyusedinlightindustry,textile,dailychemicalandpetroleumindustries.80%ofthetextiledyeingandprintingauxiliariescontainsurfactants,inordertoadapttotherequirementsofcleanerproductionandenvironmentprotectionintextiledyeingandprinting.Developmentandapplicationofecological,efficientsurfactantintextileprocessingbecomesthehottopicofecologicaltextilechemicaldevelopment.AnovelanionicGeminisurfactant—N,N′-doublepalmacylethidenediaminesodiumpropionatewassynthesizedbyaddition,amidecondensationandsaponificationusingethylenediamine,methylacrylateandpalmitoylchlorideasmainrawmaterials.Infraredspectrumandnuclearmagneticresonance(NMR)spectrawereusedtocharacterizeitsstructure.Aseriesofperformancesuchasthesurfacetension,alkaliresistanceandoxidationresistance,hardwaterresistance,emulsifyingproperty,netwashingandfoamingpropertiesoftheGeminisurfactantweretested.Theexperimentalresultsshowthat:theGeminisurfactanthasalowsurfacetension(γcmc=39.5mN/m、cmc=1.6×10-4mol/L),agoodresistancetoalkaliandhydrogenperoxide,apoorresistancetohardwater,agoodemulsification,agoodfoamingpoweranditsnetwashingeffectequalstosoap.Achelatingsurfactant—N-hexadecylED3Awassynthesizedintwostepsusingethylenediamine,bromohexadecaneandmonochloroaceticacidasrawmaterials.Infraredspectrumandnuclearmagneticresonance(NMR)spectrawereusedtocharacterizeitsstructure.Aseriesofperformancesuchasthesurfacetension,hardwaterresistance,chelatingability,emulsifyingproperty,netwashingandfoamingpropertiesofthechelatingsurfactantweretested.Theexperimentalresultsshowthat:thechelatingsurfactanthasahighsurfacetension(γcmc=38.7mN/m,cmc=2.0×10-4mol/L),averygoodresistancetohardwater,astrongchelatingability(theCVvaluecanbeupto290mgCaCO3/g),agoodemul