電泳顯示微膠囊的制備.pdf

1、天津大學博士學位論文電泳顯示微膠囊的制備姓名：謝建宇申請學位級別：博士專業(yè)：應用化學指導教師：馮亞青20061201Abstract‘Electrophoreticdisplay(EPD)，realizedbyelectrophoresisofparticlesinmicrocapsulesunderallelectricfield，isakindofnewdisplaytechnologywithsuchfeatures，aslowc

2、ost，highbrightness，fullviewlowpowerconsumptionandhighflexibilityComparedtoothertypesofmicrocapsules，theonesforEPDrequiresmoothsurface，superiortransparenceaswellasgoodstrengthandflexibilityAccordingtoaboverequirements，int

3、histhesismicrocapsuleswerefabricatedandappliedinEPDwithsuperiorperformanceMicrocapsuleswerepreparedthroughsinglecoacervationandcomplexcoacervationmethod，withgelatin，gelatingumArabicandchitosan—polyacrylicacidaswallmateri

4、al，andtetrachloroethyleneascorematerialItwasfoundthatmicrocapsuleswithgelatingumArabicaswallmaterialhadsmoothsurface，superiortransparenceandencapsulationefficiencyhighto912％Itwasalsofoundthatstrengthofmicrocapsulesincrea

5、sedsignificantlyandbrokenrateofmicrocapsulesdecreasedto512％from100％afterslighttoluene2，4diisocyanate(TDI)wasaddedintowallmaterialMicrocapsuleswerepreparedthroughtwostepandonestepinsitupolymerizationmethodwithureaformalde

6、hydeaswallmaterial，andtetrachloroethvleneascorematerialItwasfoundthatonestepinsitupolymerizationmethodwaseasytoutilizeandhadgoodrepeatabilityandthatmicrocapsulespreparedbythismethodhadfairlysmoothsurfaceandsuperiortransp

7、arenceaswellasencapsulationefficiencyhighto966％Wealsotriedtocombinecomplexcoacervationandinsitupolymerizationmethodtogether：Surfaceofurea—formaldehydemicrocapsuleswasencapsulatedbyanotherlayerofgelatintoformakindofdouble

8、layermicrocapsule，whichhadthickerwall，betterstreng也andflexibilityandbrokenratedecreasedto151％from981％Microcapsuleswerepreparedbyinterracialpolymerization，withadipoylchloridetriethylenetetramineaswallmaterial，andtetrachlo