45120151ChinaSurfactantDetergent&CosmeticsVol.45No.1Jan.20152014-08-292015-01-031977-13816916262E-mailandre_ymj@163.com。11122211.2017022.200237pHCAPBLS。Cryo-TEM。NaCl。NaClw<0.5%pH40℃5℃pH。pH。TQ423A1001-1803201501-0011-06DOI10.13218/j.cnki.csdc.2015.01.003Studyonpropertiesofself-thickeningsystemcomposedofamphotericsurfactantandamino-acidbasedanionicsurfactantYUANMin-jia1DONGChao1SHENPei-lin1LUHai-wei2WANGJin-shuang2FANGBo2GUOYi-guang11.ShanghaiJahwaUnitedCompanyLtd.Shanghai201702China2.LabofRheologyCollegeofChemicalEngineeringEastChinaUniversityofScienceandTechnologyShanghai200237ChinaAbstractAviscoelasticmicellesystemself-thickeningsystemblendedwithanamphotericsurfactantcocamidopropylbetaineCAPBandanamino-acidbasedanionicsurfactantsodiumlauroylsarcosinateLSwasformedbyadjustingthemassratioandpH.ThenetworkofwormlikemicellesintheblendwasconfirmedviacharacterizationwithCryo-TEMimages.EffectofNaCldosageontheviscosityoftheself-thickeningsystemwasidentifiedandtheviscosity-temperaturecharacteristicsaswellasthefoamingperformanceoftheviscoelasticsystemwereemphaticallyinvestigated.ResultsshowedthatwhentheNaClcontentisloww<0.5%itseffectonviscosityofthesystemisrathersmall.EstablishmentofviscosityofthesystemismainlyaffectedbymassratioandpHofthesystem.Theviscositydecreasesathighertemperature40℃andincreasesatlowertemperature5℃respectively.ThefoamingperformancebecomesworseaspHdeclines.AdoptingthemethodsofadjustingthemassratioandthepHaseriesofself-thickeningsystemsformedbyblendingofanionicamino-acidbasedanionicsurfactantandamphotericsurfactantcanbeobtained.Keywordssurfactantblendself-thickeningwormlikemicellesviscosity-temperaturecharacteristicsfoamperformance、、、、1-3。N-4。·11·45。2α-α-、α-COOH4。、5-7。8。LSCAPB249。pH2。NaCl。。11.1CAPBwCAPB=38%wNaCl=6.2%DHSBwDHSB=30%CHSBwCHSB=30%CBwCB=30%SLwSL=31%LSwLS=30%wNaCl=0.1%SCSwSCS=30%SMSwSMS=93%SPSwSPS=93%NaOHCAw=99%NaClw=99%。NRCH3CH3+CH2COO-CBR=CAPBR=NRCH3CH3+CH2COHCH2SO3-DHSBR=CHSBR=NCROCH3CH2COO-Na+N-LSRCO=SCSRCO=SMSRCO=SPSRCO=NCH2CH2NHCROCH2COO-Na+CH2CH2OCH2COO-Na+SLRCO=PL4002、S20pHMettlerToledoRW20digitalIKAIncucell3MDV-2ProBrookfieldJEOLJEM-1400TEM501。1.21.2.1NaOHCApHNaCl24h。pH。1.2.2DV-2Pro。1.2.3GB/T7462—94。2g800mL80g0.342g/L718g40℃40℃。·21·13。50mL50mL。200mL90°。。。2。1.2.4Cryo-TEM25℃CEVS。5μL。-165℃。Gatan626JEOLJEM-1400TEM120kV-174℃GatanCCDDigitalMicrograph。22.1CAPBLSNaCl2.1.1CAPB/LSCAPBLS12%QB1994—2004pH25℃24h。。pH1。1pHCAPB/LSTab.1EffectofmassratioandpHonviscosityofCAPB/LSsystemw/%CAPBLSpHη/mPa·s1204.00~7.0020934.603600845.105400755.304200665.402900575.401700485.405500124.00~7.002012pHpH4.00~7.00CAPB/LB8/4pH=5.10CAPBLSpHCAPBLS。2.1.2Cryo-TEMCAPB/LS8/4pH=5.10Cryo-TEM1。1。pHCAPBLS、10-11。CAPBLS2p=v/lapvlapHCAPBLSp1/212-13。。1CAPB/LSCryo-TEMFig.1Cryo-TEMimageofCAPB/LSsystem2.1.3NaClCAPBLSNaClNaCl2。2CAPB/LSNaClpH。NaClCAPB/LS8/4pH=5.10NaCl·31·453.0%3。3NaCl0.5%NaCl1.0%NaClCAPBLSCAPBLS。2NaClCAPB/LS25℃Tab.2EffectofNaCldosageonCAPB/LSviscosityat25℃w/%CAPBLSpHwNaCl/%η/mPa·s485.400.680.621.30550650575.400.830.471.3017001750665.400.990.311.3029003000755.301.150.151.3042004400845.101.3001.30540054003NaClCAPB/LS25℃Tab.3EffectofextraNaCldosageonviscosityofCAPB/LSsystemat25℃wNaCl/%00.10.30.51.02.03.0η/mPa·s57006000580055004800240018002.2CAPB/LS。CAPB/LS8/4pH=5.10NaCl2。2NaClCAPB/LSFig.2Viscosity-temperaturecharacteristicvs.increaseofNaCldosageintheCAPB/LSsystem240℃5℃。22。NaCl5℃“”40℃Na+CAPBLS。。40℃、25℃5℃。2.3CAPB/LS2.3.1pH。CAPB/LS。4。4CAPB/LS9/311~12cmCAPB。9/34.6cmLS5.2cmpH4.605.00pH。LSpHpH。pH14-15。pHCAPB/LS8/4pH5。5pH。·41·14CAPB/LS40℃Tab.4FoamingperformancecomparisonofCAPB/LSsystemwithseparatemassratiow/%CAPBLSpHh/cm1205.0011.9934.604.6845.1012.2755.3011.8665.4011.6575.4010.8485.4011.40125.005.25pHCAPB/LSTab.5Foamingperformancevs.separatepHofCAPB/LSsystempH7.006.005.505.405.305.205.105.004.90h/cm16.015.514.311.911.711.612.07.96.02.3.2NaClCAPB/LS8/4pH=5.10NaCl6。6NaCl0.5%12cmNaCl1.0%9cm。NaCl15。NaCl。6NaClCAPB/LSTab.6Foamingperformancevs.increaseofNaCldosageintheCAPB/LSsystemwNaCl/%00.10.30.51.02.03.0h/cm12.611.411.312.19.39.810.52.42.4.1pH=4~7SCSLSSMSSPSCAPB6/625℃3。3pHpHpH。3CAPBFig.3ViscosityofthesystemofCAPB/sodiumN-alkyl-sarcosinatewithseparateC-chainlength2.4.2CAPB/7。7。16。LS。7CAPB/Tab.7FoamingperformanceofthesystemofCAPB/sodiumN-alkyl-sarcosinatewithseparateC-chainlengthw/%CAPBLSSMSSPSSCSpHη/mPa·sh/cm665.40290011.6666.00220007.3666.00280002.5665.3011756.52.5pH=5.30~5.60CAPBCBCHSBSLDHSBLS6/625℃Ross-Miles40℃8。8pHLSCHSB/LS。·51·458Tab.8Comparisonofseparateamphotericsurfactantsystemw/%LSCAPBCBCHSBSLDHSBpHη/mPa·sh/cm665.40290011.6665.3062010.5665.401380016.8665.60140014.7665.5058011.53pHLSCAPB。pHNaCl。/CAPB/LSpHCHSB/LS。pH。1MARIARILOURDESPAURORAP.Aminoacid-basedsurfac-tantsJ.ComptesRendusChimie2004617583-592.2.N-J.200636294-98.3YAMAMOTO.Alkylaminoacid-typesurfactantwithlowskinirrita-tionandgoodhardwaterresistanceJP2000144173A2P.2002-05-26.4CARMEN.“Green”aminoacid-basedsurfactantsJ.GreenChem200461233-240.5SAMPADGDIBYENDUKJOYKRISHNAD.Interactionbetweenzwitterionicandanionicsu