非离子表面活性剂对聚砜超滤膜结构和性能的影响

JOurnalofEastChinaUniversityofSeieneeandTeehnologyVol.21No.199502(,200237):,,,,,,;,,,,T,:;;;;;:TQoZs.s,,,,,,.,70,[3j,(cMc),,Donnan[3],,,,11.1,,(HLB)[[,,,:199311201:C.P.1HLBTcn4oSPan85Span20SPan40SPan80HLB18018T4018S8518S2018S4018S801.2l0.4MpaZh,0MPa(PEG)PEGl%,,(uv12020),,,(SEM)1.311.2;3;4;5[5],,v,R0.153cm,6~(V)/R,,,H22.12PEG,2c;c,;R(cCp)/cx100%,6,,,,(2),,,;,,5pan8518s85;R,2,,,,;,,1818Td4D18s85,(3)..4,!8!8T18s8533,l421,.i,218018T101855IRS2018P1851()18S80J/10mLm2h,/m14.62.4713.03.715.41.6714.7.6515.62.78I02.5412.92.49rleseseses..1”0.3Rƒ„H()1808T4018S856Oc504.600035.920.335.52001240092.656.23500088199298.495.24500093.199.8670009993.210099.61010(PEG)2z18s85;218S40;318s80;418T40;5180;618S20;718P418018T4018s8518s2018P18s4018s80(%)78.578.477.578.778.679.279.20.8050.8430.7930.8240.7770.8420.8052.2,(}),[;(2),,[7;(3),(a)180(b)18S85(e)18T40!3(SFM)(400)1:..,4.c(DMA)(da/dC0)DMA(l%),,55,u,,5E\.2/013C(%)l/h46c5l18S20;218T40;318P;4180;518S85;618580;718S405aNm34.2Tween40Span85SPan2033.933-PPJSPan40Span8034.234.234.25,1,Tween40PPJspan20;spanssspan80span4o:HAOta,H(mm);t(h)AB6618018T4018S8518S2018P18S4018S80HLBA22.820.23815.628.090.24881.814.238.629.050.3390.24914.025.330.26226.710.830.37644.315.590.2242,,,,,,,1621,,.,,,,,,,,,,,,1sourirans...1954(4):l~402PorterMC.HandbookofIndustrialMembrameTeehnolo8y.NewJersey.NosPublieations.1990.1983,,..,]989.(2):874..:.1984.4725,.()..1981.(6):216SarboloukiMN.AgeneradiagramfOrestimatingPoresizeofultrahltrationandreverseosmosi,membranes.SePSdandTeeh,1982,17(2):3817JannyGB.ThesurfaeetensionofPo1ymersolutionsandasymmetriemembraneformationJAPPIPolymsei.1974,18:21498,,..,1992.18(5):289EffeCtofSurfaCtantonStructureandPerformallCeofPolysulfoneUltrafiltrationMembraneL1Wei.adHuagona(ChemiealE:ioee,::Ra,ehCente,EC,sT,Sha,ha200237)Abstraet:NonioniesurfaetantswereaddedintoeastingsolutionofPolysulfoneul-trafiltrationmembraneasadditives.PurewaterfluxesandrejeetionestoPEGswithdifferentmoleeu]arweightofthemembranesweremeasuredSEMPieturesweretakenfortyPiealmembranesComParingwiththemembranewithoutsurfaetantinit,theresultsdidnotshow5ignifieantdifferneeeonthesuPPortlayers,buttheskinlayersofthemembraneswereehangedThemembranePoresizewasbiggerandPoresizedistributionwaswiderwhenthesurfaetantaddedwashydroPhjlie.Contrarily,themembranePoresizewassmallerandPore5izedistributionwasnarrowerwhenthesurfaetantwashydroPhobie.StudingtheeffeetofsurfaetantintheProeessofmembraneformed,surfaeetensjonandgelationsPeedofcastingsolttionesweremeasuredTheeffectofsurfaetantwasmajnlyehangingthegelationsPeedoftheeastingsolution.Thege]ationsPeedtimere]ationwasobtajnedKeywords:surfaet;1;Polysulfone;u!rrafltrationmembrane;membranestrueture:sur-faeetension;geidonSPeed