環(huán)氧氯丙烷合成及磁性納米材料固載催化劑的探索.pdf

1、蘭州大學(xué)碩士學(xué)位論文環(huán)氧氯丙烷合成及磁性納米材料固載催化劑的探索姓名：汪雅申請學(xué)位級別：碩士專業(yè)：化學(xué)有機化學(xué)指導(dǎo)教師：許鵬飛20100501英文摘要AbstractThisthesisaimsatthepreliminaryexplorationsofthepreparatingconditionsofepichlorohydrinandmagneticnanoparticlesupportedorganocatalystusedfo

2、rorganicreactionsIntroducedtheexistingepichlorohydrinproductionprocessesfirstlyWOchoseallincreasinglyarisenglycerintechnologyWithglycerol嬲rawmaterial，wearetryingtooptimizereactionconditionstoexploreanenergysavingandenvir

3、onmentalfriendlyrouteRefertotheliterature，wefoundthatthewaterproducedbythereactionhasagreatinfluenceonthereactionexactlyproceedfromhowtogetridofthewaterwedesignedaseriesofexperimentstofindoutrelativelyenergyefficiencyand

4、environmentallybenignreactionconditionsTheresultsobtainedareasfollows：1)Theoptimumcatalystforthereactionofchlorinationisadipicacid2)Theoptimumconditionsforremovingwaterinthereactionofchlorinationarethathydrogenchloridega

5、Sandreactionsystemaledriedbyacidproofmolecularsieve3)Theexperimentresultsshowedthattheoptimumcontentofadipicacidis2m01％，theoptimumreactiontemperatureis800C；Afterreactionfor10hours，wecalloperatesmoothlywiⅡlaconversionof99

6、％andayieldof95％4)Theoptimumconditionsforcyclicalreactionistouse12equiv40％sodiumhydroxidesolutionaslye，thecyclicalreactioncancompletewithin3minutesat750C，andreachedasteadyyieldof87％Furthermore，severalexistingorganocatalys

7、tsandimmobilizedorganocatalystsusedincatalyticreactionsarealsodescribedInordertobreaktheboundariesbetweenhomogeneousandheterogeneouscatalystbetterwechosemagneticnanoparticalsassupporteroforganocatalysttoimmobilizeproline

8、andcinchonaalkaloidsrespectivelyandpreparedaseriesofsupportedcatalysts，andthdrcatalyticactivityinorganicreactionswerealsostudiedAtpresent，theexperimentalresultsshowedthatthosesupportedcatalystscanacceleratetherateofthere