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*2008-12-02,2009-01-31;(973,2009CB623402);**,E-mail:op-lyyxu@zju.edu.cn#研究简报#PSF-g-P(PEGMA)*王建宇1,2徐又一1**易砖1朱利平1朱宝库1(1310027)(2100013)A(PSF-CH2Cl),(ATRP)(PSF)()[P(PEGMA)]PSF-g-P(PEGMA).FT-IR1H-NMR.PSF-g-P(PEGMA)PSF,.,5wt%PSF-g-P(PEGMA),6519%0108Lm8119%0118Lm;90e24h,OPS1416317116;(BSA).PSF,ATRP,,,(PSF)[1,2],PSF,PSF[3,4].()[5,6][7~9][10~12].PSF,PSF.,,(),[13~15].,,().[16],,PSF,PSF([12]PEOPPSF[14]PSF-g-PEO[17]).,PSF.1PSF(P3500),();(SnCl4)(PEGMA,Mn=475),,Aldrich;((CH3)3SiCl)(CHCl3)(CH3OH)(CuBr)(bpy)N-(NMP)(THF),;(BSA,Mw=617@104),;(PBS,pH=714),.2PSF-g-P(PEGMA)PSF-g-P(PEGMA).(1)1500mLCHCl330gPSF,PSF.20g415mLSnCl4,90mL(CH3)3SiCl.,60e.72h,,CH3OHPH2O(1P1,VPV),PSF-CH2Cl.(2)10gPSF-CH2Cl,100mLNMP,20mLPEGMA,011022gCuBr014gbpy,,30min90e.415h,,THF,Al2O3,CH3OHPH2O,PSF-g-P(PEGMA).FT-IRVector22(BrukerCo.,Germany)();1H-NMRAvanceDMX500MHz(BrukerCo.,Germany),(CDCl3)720097ACTAPOLYMERICASINICANo.7Jul.,2009700(DMSO-d6).3PSF-g-P(PEGMA)PPSF311PSF-g-P(PEGMA)PSFNMP,,,45s(H2O),,.312FSEM(FEICo.,USA).AutoporeIV9500().XPS,XPSPHI5000CESCA(PHICo.,USA),E(C1s)=285eV.313OCA20(dataphysicsinstrumentswithGmbH,Germany).(28?1)e,72%,10,.BSA,410cm@410cm,PBS2510mLBSA(115gPL),(25?1)e24h.UV-1601BSA,BSA,BSA.3,.4PSFPSF-g-(PEGMA)1H-NMRIR1PSFPSF-g-P(PEGMA)FT-IR,PSF,PSF-g-P(PEGMA)1727cm-1O)CO(),,1109cm-1C)O)C,PEGMAPSF,PSF-g-P(PEGMA).2PSFPSF-CH2Cl1H-NMR,PSF,1H-NMRD=1169A)CH3,D=6193~7185PSFAr-H.,1H-NMR)CH2Cl(D=4155b)[17],)CH2ClPSF.PSFD=4155bD=7188i,1182.Fig.1FT-IRspectrumforPSFandPSF-g-P(PEGMA)Fig.21H-NMRspectrumforPSF,PSF-CH2ClandPSF-g-P(PEGMA)7017:PSF-g-P(PEGMA)PSF-g-P(PEGMA)1H-NMR2,,sDMSO-d6;D=018~1111P(PEGMA))CH3(c);D=3128P(PEGMA))OCH3(g);D=3175P(PEGMA))O)CH2CH2)O)(f);D=4101P(PEGMA)COO)CH2)(e)[18],,PSF-g-P(PEGMA).1H-NMR,(1)PSF-g-P(PEGMA)P(PEGMA)7111%.XP(PEGMA)=IeP2IiP4+IeP2(1),IeIi2ei,1P2PEGMA2/e0H,1P4PSF4/i0H.1H-NMRPSF-g-P(PEGMA)(2),6133@104.PSF-g-P(PEGMA)1H-NMRPSF-CH2ClGPC,PSF-g-P(PEGMA)P(PEGMA)3916%.Mn,PSF-g-P(PEGMA)=Mn,PSF-CH2Cl(1+XMPEGMA0MPSF-CH2Cl0)(2),Mn,PSF-g-P(PEGMA)PSF-g-P(PEGMA);Mn,PSF-CH2ClPSF-CH2Cl(GPC,3198@104);XPSF-g-P(PEGMA)P(PEGMA)(101711);MPEGMA0PEGMA;MPSF-CH2Cl0PSF-CH2Cl.5PSF-g-P(PEGMA)PPSF,PSF18wt%,PSF-g-P(PEGMA)0wt%(F0)5wt%(F5)10wt%(F10)15wt%(F15)20wt%(F20).3F0F5F10F15F20FSEM,,PSF(F0)PSF-g-P(PEGMA)PPSF(F5~F20),,.PSFFSEM,PSF-g-P(PEGMA),,,.1,,PSF6519%,0108Lm.PSF-g-P(PEGMA)(5wt%),(F5)8119%0118Lm.PSF-g-P(PEGMA),,PSF-g-P(PEGMA)20wt%,(F20)8312%,0130Lm.PSF-g-P(PEGMA)FSEM.FSEM,PSF-g-P(PEGMA).Table1PorositiesandaverageporediametersofPSF-g-P(PEGMA)PPSFblendmembranesMembraneIDF0F5F15F20Porosity(%)6519811981128312Averageporediameter(Lm)0108011801230130XPS2.OPS[19],OPSP(PEGMA)PSF.2,PSF(F0)OPS9122,5wt%PSF-g-P(PEGMA),(F5)OPS14163,PSF-g-P(PEGMA),OPS.,F590e24h,(F5a)OPS17116,PSF-g-P(PEGMA).,P(PEGMA)PSF,,Table2ChemicalcompositionsofPSF-g-P(PEGMA)PPSFblendmembranes(calculatedbasedontheXPSsurveyscanspectra)MembraneIDChemicalofthemembranesurface(XPS),atompercent(mol%)C1sO1sS2p3Si2p3N1sOPSF075161181912105018721569122F5721392417211690184013714163F5a*721542513911480146011317116F2072130251711490125012517125*Annealedin90ewaterfor24h7022009Fig.3FSEMimagesofthecrosssections(left,@2000;right,@5000)of(a)apurePSFmembraneandmembranescontaining(b)5wt%,(c)10wt%,(d)15wt%and(e)20wt%PSF-g-P(PEGMA),PSF-g-P(PEGMA).F0F20C1s4,PSF(F0),3C,2841728513286134eVC)CPC)HC)SC)O)C[19].PSF-g-P(PEGMA),(F20)3C,285172eV28715eVC)COOCOC[20],CPSF-g-P(PEGMA)PSF-g-P(PEGMA)PPSF.7037:PSF-g-P(PEGMA)Fig.4XPSC1score-levelspectraforPSF-g-P(PEGMA)PPSFblendmembranes6PSF-g-P(PEGMA)PPSFBSA5PSF-g-P(PEGMA).5(a),PSF(F0),83b,120s,77b,.F55612b,5wt%PSF-g-P(PEGMA),2618b.PSF-g-P(PEGMA)20wt%,4315b,100s2615b.(5b),PSF-g-P(PEGMA).5(c)F5F20,,,.F20,,120s4315b2615b;,50s0b,F20a50s.6PSF-g-P(PEGMA)pH=714BSA,,BSAPSF-g-P(PEGMA).PSFFig.5WatercontactanglesofthePSF-g-P(PEGMA)PPSFblendmembranesFig.6BSAadsorptionsonthePSF-g-P(PEGMA)PPSFblendmembraneswithvariousPSF-g-P(PEGMA)content(pH=714)7042009(F0)BSA5011LgPcm2,PSF-g-P(PEGMA)20wt%,(F20)BSA118LgPcm2,.PSF-g-P(PEGMA)PPSFBSA.7PSF-CH2Cl,ATRPPSF-g-P(PEGMA).PSF,PSF-g-P(PEGMA)PSF,(BSA).REFERENCES1TweddleTA,KutowyO,ThayerWL,SourIrajanS.IndEngChemProdResDev,1983,22:320~3262KimIC,LeeKH.JApplPolymSci,2003,89:2562~25663SteenML,HymasL,HaveyED,CappsNE,CastnerDG,FischerER.JMembrSci,1995,106:49~564RouxSP,JacobsEP,ReenenAJ,MorkelC,MeinckenM.JMembrSci,2006,276:8~155HiguchiA,SugiyamaK,YoonBO,SakuraiM,HaraM,SumitaM.Biomaterials,2003,24:3235~456BrinkLES,ElbersSJG,RobbertsenT,BothP.JMembrSci,1993,76:281~2917SongYQ,ShengJ,WeiM,YuanXB.JApplPolymSci,2000,78:979~858UlbrichtM,BelfortG.JMembrSci,1996,111:193~2159IwataH,IvanchenkoMI,MiyakiY.JApplPolymSci,1994,54:125~12810AertsP,KuypersS,GenneI,LeysenR,MewisJ,VankelecomIFJ,JacobsPA.JPhysChemB,2006,110:7425~743011KimJH,KimCK.JMembrSci,2005,262:60~6812ChenMH,ChiaoTC,TsengTW.JApplPolymSci,1996,61:1205~120913HasegawaT,IwasakiY,IshiharaK.Biomaterials,2001,22:243~25114HancockLF.JApplPolymSci,1997,66:1353~135815WangYQ,WangT,SuYL,PengFB,WuH,JiangZY.Langmuir,2005,21:11856~1186216DeimedeV,VoyiatzisGA,KallitsisJK,LiQF,BjerrumNJ.Macromolecules,2000,33:7609~761717Park,JY,Ac