無溶劑法合成環(huán)氧苯乙烷的工藝研究.pdf

1、鄭州大學(xué)碩士學(xué)位論文無溶劑法合成環(huán)氧苯乙烷的工藝研究姓名：楊燕文申請學(xué)位級別：碩士專業(yè)：化學(xué)工藝指導(dǎo)教師：蔣登高201105ABsTRACTABSTRACTS妒ereoxideisanimpomntchemicalmaterialusedoverawiderangeoffield，forexmple，asarminmaterialintheindustryofmedicamentperfurnes，resinetcInordertoge

2、thigherselectivityofStyreneoxideitneedsabtofsolventtokeepspecialenvironmentinthetraditionstynthesismethodButitrmdestheproductionprocesscomplexlyandincreasesthecostofproductionandreducestheeconomybenefitInthisworkweusedst

3、yreneandH202asmainmaterialresearchedtheprocessconditionofthesynthesisoftyreneoxideonno—solventconditiorLThemainaspectsofworkwerecarriedoutasfolbWS：Basiconthereaserchformerlyweusedquaternaryammoniumhetempolyphosphatotungs

4、tatebyimmobilizedthatmadebyourselvesascatalystThereaserchprovidedamethodofsynthesisofepoxyethyFbenzenewithno—solventandtheepoxyethylbenzenewassynthesisedsuccessfullyStudythetechnologyofsynthesisoftyreneoxidebystyreneandH

5、202withthereactioncontrolledphasetransfercatalystonnosolventconditionTheeffectsofreactiontime，reactiontempreattre，ratioofstyreneandH202，catalystdosageandacdosageonthereactionwerestudiedbysinglefactorexperimentsandorthogo

6、nalexperimentUndertheoptimizedreactionconditions：reactiontime65hreactiontempreature55“C，n(CstIs)：n(H202)15：1，169quaternaryammoniumheteropolyphosphatotungstate，259acand100mLstyrene，coversionofStyreneis78％，selectivitytoepo