復合包覆無機氧化物中空微球的制備研究

1、武漢理工大學碩士學位論文復合包覆無機氧化物中空微球的制備研究姓名：鄧江峰申請學位級別：碩士專業：材料學指導教師：沈強姚禮峰20070501武漢理工大學碩士學位論文AbstractCoreShells扛uc嘁materialisallattractivetopicinmaterialareasduetoitsspecialnaturedifferent6_0mthecoreorshellsinglecomponentHollowmater

2、ialsareformedbyremovaloftheCOrebyasolventOrheating。Hollowmierosphereshavewidelypotentialapplicationsasdeliveryvehiclesforthecontrolledreleaseofdrugs，dyesduetotheirspecialhollowstructureThesBrfaeeoftheshellcontainsalotofm

3、icroporous，WaspermeabilityPolystyrenespheresaremoreusedasatemplatetopreparecoreshellmaterialsnowadaysAndnano—scalecoresheHspheresproducedbutformicronlevelCOreshellspheresrelativelyfewreportsMonodispersepolystyrenemicrosp

4、hereswith35ItmdiameterweresynthesizedbydispersionpolymerizationAssulfonatedpolystyrenemicrospherestemplate，Titaniacoatedpolystyrenecore—sheHspheresproducedthroughlaydrolysisTetrabutyltitanateinethan01TheinfluenceofTetrab

5、utyltitanate，deionizedwaterandreactiontimeontheformationofthecoreshellmierospheresandhollowmicrospheresarestudiedItrevealedthatcoreshellspheresweresmoothandhomogeneoussurfaceontheconditionof30mgtemplate，10mlTe臺abutyltita

6、nateand05mldeionizedwaterCoatingreactionalmostfinishedin2hoursTheresultinghollowtitaniumdioxideWasobtainedb)，removaloftheCOrewithtolueneorbycalcinationFromtheindividualbrokenparticlesfractureobservationasinglecoatingthic

7、knessabout50hmUsingchitosanmodifiedPS／Ti02gore—shellparticlesastemplate，silicondioxidecoatingformedontoPS／T102surfacebyhydrolysistetraethylortho—silicateinammoniaandcompositeCOreshellspherespreparedRoughandhalfcoatingsur

8、faceinlowerammoniaanddeionizedwaterconcenlrationTheintegrityuniformandsmoothcoatingsurfaceproducedwhenammoniaanddeionizedwaterconcentrationinereasedHollowmicrospheresweremadebyremovingtemplatewithtolueneandcalcinationWit