新型三聯(lián)季銨鹽表面活性劑的合成、性能研究.pdf

1、江南大學(xué)碩士學(xué)位論文新型三聯(lián)季銨鹽表面活性劑的合成、性能研究姓名：陳丹丹申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：許虎君孫余憑20080501AbstractAbstractThisdissertationhadstudiedthesynthesis，surfacechemicalproperties，applicationpropertiesandelectrochemicalperformanceofatrimericationic

2、surfactant：III12—4。III—l2—4wasfirstlypreparedbyringopeningandquaternizationreactioninwhichepichlorohydrin，tertiaryamine，glycerinasmainmaterials，andthe姐eldwas869％ThesurfactantswerecharacterizedbyIR，MSandelementaryanalysis

3、Throughtwo—phasetitrimetricmethodtodeterminetheactivemattercontentanditwas9884％ThemolecularstructureofIII—124was：cH。H2COCI“k2。HH一￡文帕5吒rlfH3HelOCH2CIlI洲r(nóng)IiII4一c12H25倒。H：c一?！玡拜廣H—cHrCtH3一c糾巧。crByDuNouymethod，thecriticalsur

4、facetension(ycmDandcriticalmicelleconcentration(cmc)Wasmeasured，andtheresultWaS3368mN／m，1499xl04mol／LseparatelyBycalculation，themaximumsurfaceexcessconcentration(6；llax)andtheminimumareapersurfactantmolecule似min)was137x1

5、0叫umol／mz，191nmzseparatelyItshowedperfectsurfacechemicalproperties，foamingperformance，foamstabilitywettabilityandsolubilizationpowerTheKraf羧pointwasbelow0℃。ThesurfacepropertiesofIII12—4andsodiumdodecylsulphate(SDSlmixing

6、systermweredeterminedbymeansofsurfacetensionmeasurementsTheresultsindicatethat：comparedwitllmonosurfactantsysterm，cmcandeffectivenessofsurfacetensionreductionofmixingsystermwasbetterSynergisticeffectshasbeenreviewed。When

7、n(III一12—4)：n(SDS)=3：7，＆mcandcmcwas1695mN／m133x105mol／Lseparatelyandmicelleaggregationnumberdecreasedto1／6ofSDSStructureofthemixingmicellewascompactMicropolaritydecreasedAirLiquidsurfacetensionofIII124Wasmeasuredbyusinga

8、tensiometerofDCAatthetremperaturefrom298Kto318Kinvarioussaltsolutions(NaX)andatthetremperaturefrom298Kto3l8KunderdifferentNaClconcentrationrespectivelyTheresultsshowthatwiththeincreaseoftemperature，thecmcofIII一124Canachi

9、eveminimumat308KThe碥鹼xofIII124decreases，whiletheAminincreasesWim也eincreaseoftemperatureandthedecreaseofcounterionicdiameter掇evaluesofcmcdecreasefrom809xl0～mol／Lto552x10～mol／L。and‰increasefrom180xlO‘10mol／m2to274x10。10mol

10、／m2Atthesametime，withtheincreaseoftemperatureandtheconcentrationofNaClthevaluesofcmcdecreaSefrom1501l0。mol／Lto363x10’mol／LWhilotherearealmostnoinfluencesto先mcThefreeenergyofmicelleformationisnegative。Thevalueoftheentropy