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15120073JournalofCelluloseScienceandTechnologyVol.15No.1Mar.20071004-8405(2007)01-0001-051,211111.5102752.510650CCSDCMCNaCMCCMCpH7CCSD1733cm-1CMCCCSD0.15mol/L0.62g/LCCSDCCSDO636.11ACMCNa1aCMCNaCMCNaCMCNaCMCNa-COOHCMCCMC-COOH-OH-COOH-COONa/CMCNa[1-3]OOORCH2ORORnOOROCH2OR435621OROH321456101991113121814871516172021222324252726a.CMCNab.CholesterolRH,or–CH2COONa1CMCNaFig.1ThestrucuresofCMCNaandcholesterol2005-11-252057408920273086LCLC-2004-1621969~215/CMCNaC3C5-C61b[4,5]CMCNaAkiyoshi[6]/CHP/[7]4-(N,N’-)DMAPN,N’-DCC[8]CMCNa11.1CMCNaMw500,000HoechstN,N’-DCCFluka4-(N,N’-)DMAPDMSOFluka1.2/CMCNaCCSD[3,8]1.0gCMC-Na/25mLDMSO0.6g/10mLDMSO506030minCMC-NaCMC0.2992g2mLCMC0.0091gDMAP0.1650gDCC24h40200mL7070mL1.5%Na2CO3pH770CCSD1.3FTIRNicolet/Nexus670KBr324cm-11.4RF-530XPC0.15mol/LNaClCCSD1.5TAARES/RFSCCSDCMCNa1.5g/L0.15mol/LNaCl1322.1CCSDDCCDMAP[8]CMCNaCMC-COONa-COOHCMCNaCMC[3]CMCNaDMSOCMC-NaCMCCMC2CCSDCMCNaa1733cm-1CMC-COOH-OH3376cm-1CMCNa-OH29202933cm-1-CH2-CH-1590cm-1CMCNa-COONa1056cm-1C-O-C1631cm-1-C=C2.2CCSDCCSD3382.9nm1372.4nm13I1/I3[9]3CCSD110-4g/LaI1I35g/LI1I3bCCSD360380400420440460480500010020030040050060070080090031a.110-4g/LIntensityλ/nm360380400420440460480500010020030040050060070080031b.5g/LIntensityλ/nm3CCSDFig.3FluorescencespectraofCCSDinpyrene/NaClsolution36003200280024002000160012008002Fig.2FTIRspectraWavenumber/cm-1a.CCSDb.CMCNa1733292033761590105616312933c.Cholesterol36003200280024002000160012008002Fig.2FTIRspectraWavenumber/cm-1a.CCSDb.CMCNa1733292033761590105616312933c.Cholesterol415CCSD4a0.1g/LI1/I31.70.1g/LI1/I3CCSDCAC0.62g/LCMCNa4bCMCNa1g/LCAC5.5g/LCCSDCACCCSD2.3CCSDCCSDCMCNa5CCSDCMCNaCCSDCMCNaCCSDCMCNa-COO--OHCCSD[1]CMCNa31CCSDCCSDCMCNa2CCSDCMCNaCCSDCAC0.62g/LCMCNaCAC5.5g/LCCSD3CCSDCMCNaCCSDb1E-41E-30.010.11100.81.01.21.41.61.8a·I1/I3c/gL-1b1E-41E-30.010.11100.81.01.21.41.61.8a·I1/I3c/gL-10.11101001E-30.010.1·50.15mol/LNaCl1.5g/LFig.5Comparedapparentviscosityasafunctionofshearrateb.CMCNaa.CCSDShearrate/s·ηapp/Pas4I1/I30.15mol/LNaCla.CCSDb.CMCNaFig.4Variationof(I1/I3)ofthepyrenefluorescenceasafunctionoftheconcentration15[1]CharpentierD,MocanuG,CarpovA,etal.Newhydrophobicallymodifiedcarboxymethyl-cellulosederivatives[J].Carbohydr.Polym.,1997,33:177-186.[2]MerleL,CharpentierD,MocanuG,etal.Comparisonofthedistributionpatternofassociativecarboxymethylcellulosederivatives[J].Eur.Polym.J,1999,35:1-7.[3]SrokovaI,TomanovaV,EbringerovaA,etal.Water-solubleamphiphilicO-(carboxymethyl)-cellulosederivativessynthesisandproperties[J].MacromolMaterEng.,2004,289:63-69.[4]MorishmaY,NomuraS,IkedaT,etal.Characterizationofunimolecularmicellesofrandomcopolymersofsodium2-(acryamido)-2-methylpropanesulfonateandmethacrylamidesbearingbulkyhydrophobicsubstituents[J].Macromolecules,1995,28:2874-2881.[5]KurodaK,FujimotoK,SunanmotoJ,etal.Hierarchicalself-assemblyofhydrophobicallymodifiedpullulaninwater:Gelationbynetworksofnanoparticles[J].Langmiur.,2002,18:3780-3786[6]AkiyoshiK,DeguchiS,MoriguchiN,etal.Self-aggregatesofhydrophobizedpolysaccharidesinwater.Formationandcharacteristicsofnanoparticles[J].Macromolecules,1993,26:3062-3068.[7]GrayGW,JonesB,Mesomorphismandchemicalconstitution.Part.Thetrans-p-n-alkoxycinnamicacids[J].JChem.Soc.,1954,2:1467-1470.[8],,,.DCC[J].,2005,36(2):17-19.[9].[M].:,2003.NewAmphiphilicCholesteryl-bearingCarboxymethylcelluloseSodiumDerivativeYANGLi-qun1,2,ZHENJie-peng1,KUANGJian-liang1,WENLi-qun1,ZHANGLi-ming11.InstituteofPolymerScience,SchoolofChemistryandChemicalEngineering,SunYat-SenUniversity,Guangzhou510275,China;2.KeyLaboratoryofCelluloseandLigocellulosicsChemistry,GuangzhouInstituteofChemistry,ChineseAcademyofSciences,Guangzhou510650,ChinaAbstract:Thewatersolubleamphiphiliccholesteryl-bearingcarboxymethylcellulosesodiumderivative(CCSD)wasfirstsynthesizedwiththehelpofcouplingagentandcatalystatroomtemperature.TheesterificationbetweencarboxymethylcelluloseandcholesterolwascharacterizedbyFTIRspectroscopy.ThemicellebehaviorofCCSDwasstudiedbyfluorescencespectroscopy,indicatingthatCCSDcanformmicellein0.15mol/LNaClsolutionanditscriticalaggregationconcentration(CAC)is0.62g/L.CCSDsolutionexhibitsapseudoplasticfluidbehavior,andtheintermolecularnon-polar/non-polarinteractionsbetweencholesterylgroupsexistsinitssemidiluteregime.Keywords:amphiphilic;carboxymethylcellulosesodium;cholesterol;micelle;rheologicalproperty