PSFSPES共混中空纤维超滤膜制备的研究5df

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Vol.1820059JournalofFunctionalPolymersNo.3Sep.2005PSF2SPES31,233,2,2,2(1.,200235;2.,200237):(PSF)(SPES)(CA),,PSF2SPES,PSF2SPESSPES(IEC)SPES:w=0.001Na2SO419.9%,62L/(hm2MPa);w=0.001PEG400078.2%,85L/(hm2MPa),PSF2SPES,,CA/PSF2SPES,CA/PSF2SPES:;;;;:TQ028.8:A:100829357(2005)0320425205,(CA)(PSF)(PAN)(PES)(PVC)(PEI),[126],,,,,,,,,,(SPES)(-SO3H),,[7210]SPES,SPES[7];SPES/PES[9];BlancoSPES-C[10],PSF,[1]PSFSPES,PSF2SPES,PSF2SPESSPES(IEC)SPES11.1(PES):;(PSF):;(SPES):;(DMAC):(99.5%);(Na2SO4)(THF),;(CA)200(PEG200)4000(PEG4000)(PVP),;7212G:;CAMBRIDGES2250;DDS211A:1.2PSF2SPESCA/PSF2SPESPSF2SPES[225]CA/PSF2SPES:CA//=1/76/23w=0.01CA;,w=0.01CA333:2005201217:(02HK04)(Y04011):(19652),,,,,:PSF2SPES,1.3(R)(J)0.2MPa,w=0.001Na2SO4(J)(R),:R=(1-1/2)100%(1):1(S/cm);2(S/cm)J=QApt(2):Q-(L);A-(m2);P-(MPa);t-(h)w=0.001PEG4000(2),PEG40007212G:IEC=(VN)/m(3):VN(mL)(mol/L);mSPES(g)22.1SPESPSF2SPESPSF2SPES,PSF23%,SPES2%4%7%1,SPESIEC0.67mmol/g,SPES,Na2SO4,;PEG4000SPESIEC0.95mmol/g,Na2SO4SPESIEC0.67mmol/g,,PEG4000SPES,PSF2SPES,;,PSF2SPES-SO3H,[7,9,10]Table1EffectsofSPEScontentinPSF2SPESdopesolutiononmembraneperformancea)SPESIEC/(mmol/g)wSPESNa2SO4J/[Lh-1m-2(MPa)-1]R/%PEG4000J/[Lh-1m-2(MPa)-1]R/%0.024384.417427.30.670.0410318.524370.90.0710219.88265.90.950.046219.98578.20.074421.810475.8a)PSFcontentwas23%;PEG200wasusedasexternalcoagulant;Coagulanttemperaturewas202.2SPESIECPSF2SPESTable2EffectsofSPESsulfonateddegreeinPSF2SPESdopeonmembraneperformancea)SPESIEC/(mmol/g)Na2SO4J/[Lh-1m-2(MPa)-1]R/%PEG4000J/[Lh-1m-2(MPa)-1]R/%0.431142.53376.90.6710318.524370.90.956219.98578.2a)SPEScontentwas4%;PSFcontentwas23%;PEG200wasusedasexternalcoagulant;Coagulanttemperaturewas202,(:SPES4%;PSF23%),SPES624,,,,PSF2SPES,IEC0.43mmol/g0.67mmol/g,Na2SO4PEG4000,IEC0.67mmol/g0.95mmol/g,Na2SO4PEG40002,IEC0.67mmol/g0.95mmol/g,Na2SO4PEG4000,IEC,2.3PSF2SPESPEG200,PSF2SPESNa2SO433,PSF23%SPES2%IEC0.67mmol/g,PEG200PSF2SPESTable3EffectsofdifferentexternalcoagulantagentonrejectionandpermeatefluxofNa2SO4solutiona)ExternalcoagulantagentR/(%)J/[Lh-1m-2(MPa)-1]PEG20017.3104Butanol14.997Propanol11.2153Noexternalcoagulantagent4.4438a)SPEScontentwas2%;PSFcontentwas23%;SPESIECwas0.67mmol/g;PEG200wasusedasexternalcoagulant;Coagulanttemperaturewas20.2.4PSF2SPES4,PEG200,(THFPVP)PSF2SPES,Na2SO4[2-5,7]Table4EffectsofdifferentadditivesonrejectionandpermeatefluxofNa2SO4solutiona)AdditivesJ/[Lh-1m-2(MPa)-1]R/%THF18313.5PVP16810.6Noadditive10318.5a)SPEScontentwas4%;PSFcontentwas23%;SPESIECwas0.67mmol/g;Additivecontentwas2%;PEG200wasusedasexternalcoagulant;Coagulanttemperaturewas202.5PSF2SPES5,PSF/SPES/DMAC=23/4/73SPES0.95mmol/gPEG20070,PSF2SPES,,,,,[1]Table5EffectofheattreatmentonmembraneperformanceMembraneperformanceNa2SO4J/[Lh-1m-2(MPa)-1]R/%PEG4000J/[Lh-1m-2(MPa)-1]R/%beforetreatment33113.310173.7post2treatment27419.27776.52.6CAPSF2SPES6,PSF/SPEF/DMAC=23/2/75SPES0.67mmol/g724PSF2SPESPEG200PSF2SPES,w=0.01CA,CA/PSF2SPES,,,CA,,Table6EffectofdifferentcoatingtimeofsubstratemembraneonmembraneperformanceCoatingtime/minNa2SO4J/[Lh-1m-2(MPa)-1]R/%PEG4000J/[Lh-1m-2(MPa)-1]R/%04384.417427.317240.15550.532043.41868.451344.11275.52.7CA/PSF2SPES1,CA/PSF2SPES,,CA2m,Fig.1MorphologiesofCA/PSF2SPEShollowfiberultrafiltrationmembranes3SPESIEC0.67mmol/g,SPES,Na2SO4,;PEG4000;PEG200PSF2SPES,(THFPVP)PSF2SPES,PSF2SPES,PSF/SPEF/DMAC=23/4/73SPES0.95mmol/gPEG200,w=0.001Na2SO419.9%,62L/(hm2MPa);0.1%PEG400078.2%,85L/(hm2MPa)PSF2SPES,PSF/SPEF/DMAC=23/2/75SPES0.67mmol/gPEG200PSF2SPES,CA,CA/PSF2SPES,1min:w=0.001Na2SO440.1%,72L/(hm2MPa);w=0.001PEG400050.5%,55L/(hm2MPa)CA/PSF2SPES,,CA2m:[1],,.[M],:,2001.336-361.824,,,[2]Zhen2liangXu,F.A.Qusay.EffectofPolyethyleneglycolmolecularweightsandconcentrationsonpolyethersulfonehollowfiberultrafiltrationmembranes[J].JApplPolymSci,2004,91(5):3398-3407.[3]Zhen2liangXu,F.A.Qusay.Polyethersulfone(PES)HollowfiberultrafiltrationmembranespreparedbyPES/non2solvent/NMPsolution[J].JMembrSci,2004,233(1-2):101-111.[4]JianXu,Zhen2liangXu.Poly(vinylchloride)(PVC)hollowfiberultrafiltrationmembranespreparedfromPVC/additives/solvent[J].JMembrSci,2002,208(1-2):203-212.[5]Zhen2liangXu,Tai2shungChung,YuHuang,Effectofpolyvinylpyrrolidonemolecularweightsonmorphology,separationcharac2teristics,mechanicalandthermalpropertiesofPEI/PVPhollowfibermembranes[J].JApplPolymSci,1999,74(9):2220-2233.[6],,.[J].,1998,24(5);518.[7],,,.[J].,1995,15(3):31-38.[8],,,.[J].,1998,19(5):833-835.[9],,,.(SPES)/(PES)[J].,2000,19(4):16-19.[10]JFBlanco,QTNguen,PSchaetzel.Novelhydrophilicmembranematerials:sulfonatedpolyethersulfoneCardo[J].JMembrSci,2001,186(2):267-279.StudyonthePreparationofHollowFiberUltra2filtrationMembraneofPSF2SPESBlendCHENGui2e1,2,WEIYong2ming2,XUZhen2liang2,FANGDing2ye2(1.DepartmentofChemicalEngineering,ShanghaiInstituteofTechnology,Shanghai200235,China;2.CollegeofChemicalEngineering,EastChinaUniversityofScienceandTechnology,Shanghai200237,China)Abstract:Usingpolysulfone(PSF),sulfonatedpolyethersulfone(SPES)andcellouseacetate(CA)asmembranemate2rials,waterasinternalcoagulantagent,thehollowfiberasymmetricmembrane(PSF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