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1、大連理工大學(xué)博士學(xué)位論文淀粉二元酸單酯類衍生物的合成與應(yīng)用研究姓名：邢國(guó)秀申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：楊錦宗;張淑芬20061001淀粉二元酸單酯類衍生物的合成與應(yīng)用研究SynthesisandApplicationofStarchHalfEsterDerivativesAbstractStarchHallEsterDerivativessuch勰starchsuccinatehalfesterandstarchrealcatehalfestc才WCTCobtainedbystarchandbinaryan
2、hydride．Inthisthesis，starchsuccinatehalfesterandstarchmaleatehalfesterWel'epreparedbydrymetllodandmicrowave-assistedheatingdrymethod．rligllerreactione街ciencyanddegreeofsubstitutionofproductwereachievedindrymetllodcomparedtothatintraditionalwetmethod．Thisprovidesc
3、hancesforindustrialproductionandapplication．Compared、析tllconventionalheatingsynthesismethod．microwave—assistedsynthesismethodunderdrymediumwasarapidandenergysavingone誦tllhighreactionefficiency．ThestructuresofstarchsuccinatehalfesterandstarchmaleatehalfesterWerech
4、aracterizedbyFTRandNMRspectroscopy．Changesinthestarchgranulesbeforeandaftermodificationwerestudiedbyscanningelectronmicroscopy(SEM)．Crosslinkedstarchsuccinatcs(ccs)werepreparedbyadryreaction．TheadsorptionbehaviorofcrosslinkedstarchsuccinatesforPb(Inwasinvestigate
5、d．Physicoehcmicalfactorssuchasequilibriumtime．temperatureandinitialsolutionpHvalueaffectingmagnitudeofPb(II)adsorptionwerestudied．n"iradsorptionbehaviorWasfoundtofollowlangmuirisotherm．TheadsorptioncapacityincreasedwithincreasingDSofCCS．Thethermodynamicinvestigat
6、iondemonstratedthattheadsorptionprocesswasendothermic．，111cnegativevaluesofAG9indicatedthatthefeasibilityofadsorptionincreases．FlocculationofkaolinsuspensionWasinvestigatedusingstarchmaleatehalfesterasfloeeulant．n把parametersoptimizedincludeddoseofflocculant,DSoff
7、locculant．viscosityofflocculant，pHvalueofkaolinsuspensiontemperatureintheprocess．UsingstarchmaleatehalfesterwithDSofO．07asflocculant,turbidityofkaolinsuspensionreducedto4．2NTUwhenthedoseofflocculantwas4ppm．TurbidityofkaolinsuspensionWas120NTUwhennofloeculantWaSus
8、ed．RemovalratioofturbidityWas96．3％．Itwasdemonstratedbytheexperimenttlmtstarchmaleatehalfester、析tIllow-costmaterials．simplepreparationprocessandgoodflocculation
