分子筛上萘烷基化反应合成2-仲丁基萘的分析

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1、ABSTRACTSEC．BUTYLATIoNoFNAPHTHALENEBY2．BUTENEoVERLARGEPoREZEoLITE2-naphtholisanimportantchemicalrawmaterial．Itplaysanimportantroleinpreparationofdyesintermediates，rubberchemicalsandpharmaceuticalintermediates，etc．2-sec-butylnaphthaleneistherawmaterialforsynthesisof2-naphth01．Itcanbeproducedto

2、averygood2-naphtholproductbyoxidation，decomposition，purificationandrefining．Synthesisof2-sec·butylnaphthalenebynaphthaleneand2-buteneoverlargeporezeoliteisanewandpotentialmethod．Thispaperaccomplishedtheresearchofsec—butylationofnaphthaleneby2-buteneoverlargeporezeolite．Itincluded：(1)According

3、tothereactionofnaphthalenewithtert-butyltoproducing2-sec—butylnaphthaleneintheliterature，thestardardsampleof2-sec—butylnaphthalenewasproducted．Thenthroughthephysicalpropertiesofreactantandproduct，thegaschromatographyandgaschromatography—masscombinateanalysismethodforqualitativeandquantitative

4、werefound．(2)Accordingtothefeaturesofalkylationofnaphthaleneandalkylatedproduct，choosethreekindsoflargeporezeolitesascatalists．TheyareUSY、pandMdcs．A卜Analysistheirporestructureandacid，theninvestigatethefeasibilityofsec-butylationofnaphthaleneby2-buteneovertheselargeporezeolites．Itshowedthatthi

5、sthreekindsofcatalystwereallactivity．Specially11I北京化．T人学颁f：学位论文USYzeolitecouldbeaidealcatalystofsec-butylnaphthaleneforitslargeporesizeandsurfacearea．(3)ModifytheUSYzeolitewhichhashighestreactivitybyalkalimetaloxides．Studythedifferentofstructure，acidandactivitybetweentheoriginalzeoliteandmodi

6、fiedzeolite．Studytheinfluenceofimpregnationvolumeonalkylationreaction．(4)Researchofthesec-butylationreactionconditions，studytheeffectoftemperature，reactantsratioandtimeonreactionresults．Itisfoundthatasthereactionconditionsis200～220。C，4h，naphthalene：2-butene：hexane(molarratio)=l：O．2：16，thesele

7、ctivityof2-see—butylnaphthalenecouldbe75％，modifiedzeolitecouldreachto99％．KEYWORDS：naphthalene，2-butene，alkylation，zeolite，modify,2-see—butylnaphthalene符号说明2-buteneDIPNDsBNDTBNDMNIPNisopropanolM协^tmethanolMN．sBNtert-butylalcoholTBN淞】，XI2．弼劳--y