纺丝工艺与PANCA中空纤维超滤膜性能的关系

PAN/CA(,200051)-/(PAN/CA).,,,,,..,,.-TS1021523.,,,.[1],[2].,[3].,PAN,.,,.1111(PAN),,Mn=53000;(CA),,;(T7O),Pharmacia,Mn=36100,MW=67900;(DMSO),CP,1112PANCA,DMSO,,,,.113-,-.11411411SS-5,1L/min.11412,,.:R=1-2+100%11511511=Ww-Wd(R20-R2i)l100%;(nm).:1997-05-23;:1997-09-12:,28,,184Vo1.18No.419988MEMBRANESCIENCEANDTECHNOLOGYAug.1998r=(219-1175Pr)1/2(8lFPrP)1/2Pr,%;,mPas;l,mm;F,L/m2h;P,10-1MPa.11513,Camscan-4.2211.,,,1.,,,.,,,,,,.,.110-4/Pa/Lm-2h-1T7O/%/m/m/m115129516602262340217169319685357328321139014720430290425158811750483267212,,.,,,,.,,,,,,,(2).213,,3.,,,.2/mLmin-1/Lm-2h-1T7O/%/%/nm/m61716931982151214268581913911484111218871210221789168518131837541226158618871214182790,,(DMSO),,,,.3/cm/Lm-2h-1T7O/%/%/nm10101016961878159188121513149513801710196151017169319821512142171519129114841212184201022168918851813180214.21411().,,,,,1b.21412,1a..,,,;,,,.214132a,,..,,.,,2b.4:PAN/CA431(b)(a)DMSO(a)(b)2215,.,,(),.iVi+1(i+1)()Vii(),i=Vi+1/Vi.,.,,,,,,,4.4/mmin-1/mmin-1/mmin-1/mmin-11233/Lm-2h-1T7O/%17150171501914326122110011151135115019129114171501813821132261221105111611231150171693191715019125231292612211101121111311501514951517150201132513626122111511261104115012189612171502110026122261221120112511001150111596193=123=V2V1V3V2V4V3=V4V1,.31),,.2).3),.44184),,.5),,.1..,1986,15(6):302.:[].:,19953,,,..,1989,18(6):8TheinfluenceofspinningtechnologyontheperformanceandstructureofPAN/CAhollowfibermembraneLiuYongjian,ShenXinyuan,WangQingrui,ChenXueying(DepartmentofPolymerMaterials,ChinaTextileUniversity,Shanghai200051)AbstractBymeansofhollowfiberultrafiltrationexperimentandscanningelectronmicroscopeanalysis,there2lationshipbetweenthespinningtechnologyandtheperformanceandstructureofPAN/CAmembraneisstudied.Itisfoundthatthewaterfluxincreaseswiththeincreaseofinternalquenchmediumpressure,theextrusionrate,thedistancefromspinnerettobooth,andthecoagulationagentininternalbath,whilethebathconcentra2tionmakeswaterfluxreachamininumvalue.Allofthe123andallhaveasameeffectonthepropertiesofhollowfibermembrane.KeywordsPANCAdry-wetspinninghollowfibermembrane.199910,.,,()..:1;2(),;3;4.1999131()8001000(A4)3.,19995..::100084:,:[phone],62785504:[phone]E-mail:[e-mail]()4:PAN/CA45