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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：邢國秀申請學(xué)位級別：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WCTCobtainedbystarchandbinaryanhyd
2、ride．Inthisthesis，starchsuccinatehalfesterandstarchmaleatehalfesterWel'epreparedbydrymetllodandmicrowave-assistedheatingdrymethod．rligllerreactione街ciencyanddegreeofsubstitutionofproductwereachievedindrymetllodcomparedtothatintraditionalwetmethod．Thisprovideschances
3、forindustrialproductionandapplication．Compared、析tllconventionalheatingsynthesismethod．microwave—assistedsynthesismethodunderdrymediumwasarapidandenergysavingone誦tllhighreactionefficiency．ThestructuresofstarchsuccinatehalfesterandstarchmaleatehalfesterWerecharacteriz
4、edbyFTRandNMRspectroscopy．Changesinthestarchgranulesbeforeandaftermodificationwerestudiedbyscanningelectronmicroscopy(SEM)．Crosslinkedstarchsuccinatcs(ccs)werepreparedbyadryreaction．TheadsorptionbehaviorofcrosslinkedstarchsuccinatesforPb(Inwasinvestigated．Physicoehc
5、micalfactorssuchasequilibriumtime．temperatureandinitialsolutionpHvalueaffectingmagnitudeofPb(II)adsorptionwerestudied．n"iradsorptionbehaviorWasfoundtofollowlangmuirisotherm．TheadsorptioncapacityincreasedwithincreasingDSofCCS．Thethermodynamicinvestigationdemonstrated
6、thattheadsorptionprocesswasendothermic．，111cnegativevaluesofAG9indicatedthatthefeasibilityofadsorptionincreases．FlocculationofkaolinsuspensionWasinvestigatedusingstarchmaleatehalfesterasfloeeulant．n把parametersoptimizedincludeddoseofflocculant,DSofflocculant．viscosit
7、yofflocculant，pHvalueofkaolinsuspensiontemperatureintheprocess．UsingstarchmaleatehalfesterwithDSofO．07asflocculant,turbidityofkaolinsuspensionreducedto4．2NTUwhenthedoseofflocculantwas4ppm．TurbidityofkaolinsuspensionWas120NTUwhennofloeculantWaSused．Removalratioofturb
8、idityWas96．3％．Itwasdemonstratedbytheexperimenttlmtstarchmaleatehalfester、析tIllow-costmaterials．simplepreparationprocessandgoodflocculation
