資源描述：
《丁二酸二異丙酯合成工藝-研究》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、AbstractDiisopropylsuccinateisanimportantchemicalintermediateswhichisusedinthefieldsofdyes，pharmaceuticals，agro—processing，andgaschromatographystationaryphase．DPP(1，4一diketopyrrolopyrrole)dyeconsumesthemostoftheDissopropylsuccinate．Recentyear，astheincr
2、easeindemandforDPPdye，theconsumptionofdissopropylsuccinateisincreasedtoo．Inthispaper，diisopropylsuccinatewassynthesizedfromsuccinicacidanhydrideandisopropanol、^，itllp-methylbenzenesulfonicacidascatalyst，andwitllcyclohexaneaswater·carryingagent．Theeffec
3、tsofwater-carryingagentaddingtime，reactiontime，alcoholtoacidratio，thecatalystamount，theamountofwater—carryingagent，Wasinvestigatedwithorthogonalandsinglefactorexperiment．TheresultsshowedthatthereactiontimeCanbeshortedabout1hourwhenthewater-carryingagen
4、tWasaddedafterthereactionstarted1hour．Theoptimaldiisopropylsuccinatesynthesisconditionswereasfollow：thealcoholtoacidratiois2．6，thecatalystamountis0．4g，thewater-carryingamountiS26ml，thereactiontimeWas4handthepurifieddiisopropylsuccinateyieldWas97．50％．Ak
5、indofcarbon-basedsolidsulfonicacid，usedtosynthesizeDiisopropylsuccinate，Waspreparedfromwalnutshellviacarbonizationandsulfonation．nleeffectsofthecarbonizationtemperature，carbonizationtime，thesulfonationtemperature，thecarbonizaiontimeandtheamountofsulfur
6、icacid，ontheactivityofcatalystwerediscussed．necatalystWascharacterized、vithIR．nleresultshowsthatthecatalysts’optimizedpreparationconditionswereasfollow：carbonizationtemperature300℃，carbonizationtime2ksulfonationtime5h，sulfonationtemperature90℃，theamoun
7、tofsulfuricacid15m1．Inthiscondition，thediisopropylsuccinateyieldWas96．42％withthiscatalyst．Theresearchresultprovidedsomedetaileddatesforthediisopropylsuccinateindustrialproduction．ThecatalystusinginthesynthesisofdissopropylsuccinateWaspotentialandhadsom
8、e玎Abstractengineeringvalue．Keywords：diisopropylsuccinate；succinicacidanhydride；carbon—basedsolidacid；walnutshell；catalyst；walnutshalll文獻(xiàn)綜述目錄摘要????????????????????????????????????．IAbstract?????????????????????????????????．．II1文獻(xiàn)綜述??????
