PMP中空纤维膜制备及结构与性能研究的开题报告Title:Preparation,StructureandPropertiesofPMPHollowFiberMembranesIntroduction:Hollowfibermembraneshavebeenwidelyusedinvariousseparationprocessesduetotheirhighsurfacearea-to-volumeratio,goodmechanicalproperties,andeaseofoperation.Poly(4-methyl-1-pentene)(PMP)isahigh-performancepolymerthatexhibitsexcellentthermalandchemicalstability.Inthisresearchproject,weaimtopreparePMPhollowfibermembranesandinvestigatetheirstructureandproperties.Objectives:ThemainobjectiveofthisprojectistopreparePMPhollowfibermembranesandevaluatetheirproperties.Thespecificobjectivesare:1.TopreparePMPpolymersolutionwithsuitableconcentrationandadditives.2.TofabricatePMPhollowfibermembranesusingthewetspinningtechnique.3.ToinvestigatethemorphologyandstructureofthePMPhollowfibermembranesusingscanningelectronmicroscopy(SEM).4.ToevaluatetheperformanceofthePMPhollowfibermembranesintermsofwaterflux,rejection,andstability.Methodology:Thefollowingstepswillbeundertakentoachievetheresearchobjectives:1.PreparationofPMPpolymersolution:PMPwillbedissolvedinasuitablesolventwiththeadditionofsuitableadditivestoobtainahomogeneoussolution.2.FabricationofPMPhollowfibermembranes:Thepreparedpolymersolutionwillbeextrudedthroughaspinnerettoformhollowfibers,whichwillbequenchedinacoagulationbathtosolidifythepolymer.Theresultingmembraneswillbewashedanddried.3.Characterizationofmembranemorphologyandstructure:Scanningelectronmicroscopy(SEM)willbeusedtoinvestigatethemorphologyandstructureofthefabricatedPMPhollowfibermembranes.4.Evaluationofmembraneperformance:TheperformanceofthePMPhollowfibermembraneswillbeevaluatedintermsofwaterflux,rejection,andstability.Thefluxandrejectionwillbedeterminedbypassingwaterthroughthemembraneandmeasuringthepermeatequalityandquantity.Thestabilityofthemembranewillbeevaluatedbymeasuringitsperformanceovertime.Expectedoutcomes:Theexpectedoutcomesofthisresearchprojectare:1.PreparationofPMPhollowfibermembraneswithsuitablepropertiesforseparationapplications.2.Investi