铑-三苯基膦配合物功能化的聚合物@介孔氧化硅复合材料在1-辛烯氢甲酰化反应中的应用.pdf

《铑-三苯基膦配合物功能化的聚合物@介孔氧化硅复合材料在1-辛烯氢甲酰化反应中的应用.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、ChineseIournalofCatalysis36(2015)168-174催化学报2015年第36卷第2期1www．chxb．cnavatIabIeatwww．st：iencedirect．com≮：，ScienceDireCtiol-lfna}hOmeage：www。eIseier,icom／Ioeate／chnjcArticleRh—-PPh3--polymer@mesosilicacompositecatalystforthehydroformylationof1．octeneXiaomingZhang一，Sheng

2、meiLu，MingmeiZhong一，YaopengZhao，r．，OihuaYang，aStateKeyLaboratoryofCata~DalianInstituteofChem&alPhysics,ChineseAcademyofSciences,Dalian11602~Liaonin9,ChinaUniversity0，ChineseAcademyofSciences,Beijin9100049,ChinaARTICLEINFOABSTRACTArticlehistory：Rh—PPh3一polymer@mesosil

3、icacompositeswerepreparedbythepolymerizationofmixturesofReceived25July2014divinylbenzenel~DVB)and4-．'vinyl—triphen~phosphinemonomerinthenanoporesofmesoporousAccepted15August2014silicasfollowedbycoordinationwithRh(acac)(CO)2(acac=ace4acetonate)．ThesecatalystswerePubli

4、shed20February2015characterizedbyXRD，N2sorption,TEM，FT-IR．andTG。andcouldefficientlycatalyzethehydro—formylationof1-octenewithhigheractivithanapurepolymercatalystbecauseoftheirhighSUPfaceareaandlargeporevolume．whichwerebeneficialfortheexposureofactilresitesandmassKeyw

5、ords：Rh—PPh3-polymer@mesosflicatransport．Throughthecontrolofporesizeandporeconnectivi够byusingdifferentmesoporoussilica(MCM-41，SBA-15，andFDU．12)，theactiviandselectiviEtycanbecontrolled．compositeRh-PPh3-polymer@FDU-12withacage-likemesostrucutureshowedlLoweractivitybuts

6、lightlyHeterogeneouscatalystshigherselectiviltythlanthecatalystwitha2-Dhexagonalmesostructure(Rh-PPh3-polymenSBA一15HydroformylationreactionorRh—PPh3．-polymert@MCM一41)．Byvaryingthepolymercontentinthenanoporesofthemesosilica。theactiviltyandselectivitlyf92％一96％1canalsob

7、etuned．Thesolidcompositecatalystcanberecy-tiedwithout1OSSofactivity,butadecreaseinselectivitywasobserved．@2015，DalianInstituteofChemicaIPhysics．ChineseAcademyofSciencesPublishedbyElsevierB．V．AUrightsreserved1．Introductionandthedifficultyintheseparationofthermallysens

8、itiverho．dium—basedcatalystsfromthelowvolatilityproducts[3]．ThehydroformylarianofalkenesrepresentsoneofthemostThere：f0re．theimmobfl