溫控離子液體兩相體系及其在烯烴催化加氫中的應用.pdf

1、大連理工大學碩士學位論文溫控離子液體兩相體系及其在烯烴催化加氫中的應用姓名：熊燕申請學位級別：碩士專業(yè)：有機化學指導教師：蔣景陽20060601溫拄離子液體骶相體系及其在烯烴催化加氫中的應用ThermoregulatedionicliquidbiphasicsystemandtheapplicationinthehydrogenationofolefinsAbstractAthermoregulatedionicliquidbiphas

2、icsystemwasdevelopedbyusingpolyethermodifiedquarternaryammoniumsaltsionicliquidandorganicsolventsThisionicliquidbiphasiesystempossessesathermoregulatedpropertyie“monophaseunderhightemperature，bi—phaseunderroomtemperature

3、’Thehydrogenationof1dodecene，diisobutyleneandSBS(Styrene—ButadieneStyrenecopolymer)catalyzedbyRujrPPlrScomplexhavebeenstudiedinthisnew町stemrespectivelynereactionconditionshavebeenoptimizedandtherecycleefficiencyandthelea

4、chingofthecatalysthavebeenstudiedIntIlehydrogenationof1dodecenetheyieldofndodecanereached98％undertheoptimizedreactionconditionsAfterreaction，thecatalystretainedinionicliquidcanbeeasilyrecoveredbyphaseseparationatroomtemp

5、eratureThecatalysthasbeenrecycledfor10timeswithoutobviousdecreaseofthecatalyticactivityneaverageleachingofRuinorganicphaseisabout02％Inthehydrogenationofdiisobutylenetheyieldofproductisabout80％andthecatalystcanberecycled1

6、0timeswithalittledecreaseofthecatalyticactivityafterthefifthrunTherewasnotleachingofRuintheorganicphasedetectedbyICP—AESanalysisThehydrogenationdegreeofSBSreachedabout60％intheTHF／H20／ionicliquidsystemandthecatalystcouldb

7、ereusedforthreetimesThehydrogenationdegreeofSBSinthetoluene／cyclohexane／ionicliquidsystemwasonly25％althoughthesystemwashomogeneousatreactiontemperatureandc鋤ebacktobiDhasicatroomtemperatureHydrogenationofSBSinthisionicliq