聚乙炔的接枝修飾及腰接型三聯(lián)苯聚乙炔的合成.pdf

1、南昌大學碩士學位論文聚乙炔的接枝修飾及腰接型三聯(lián)苯聚乙炔的合成姓名：秦志勇申請學位級別：碩士專業(yè)：有機化學指導教師：陳義旺20081201ABSTRACTABSTRACTFunctionalpolyacetylenesareamaterialofpolymertheircompsitionisapolyenechianandthefuncationalgroupsThestructureendowpotentialapplication

2、sinbiologicalsensors，solarbatteries，secondarybakeries，artificialmuscles，diodes，radarconcealedmaterialThenewPAswithappropriatebackbone—pandantcombinationsshowvariousfunctionalporpertiessuchasliquidcrystallinityphotocondua

3、ctivitylightemission，photoresistance，helicalchiralityselfassemblycytocompatibilityandbioactivityandSOonNovelcylindricalpolymerbrushesconsistingofpoly(diphenylacetylene)mainchainandpoly(poly(ethyleneglyc01)methylethermono

4、methacrylate)(PPEGMA)sidechainsweresynthesizedbythediphenylacety’lenemacromonomerorsidechaininitiatedatomtransferradicalpolymerization(ATRP)ofpoly(ethyleneglyc01)methylethermonomethacrylate(PEGMA)fromanbromoisobutyrylbea

5、ringpoly(diphenylacetylene)(poly(BrDPA))methodThediphenylacetylenemacromonomernamelyDPA—PPEGMAwerepreparedbytheATRPofPEGMAfrombromoisobutyryl—bearingdiphenylacetyleneDPA—PPEGMAWaspolymerizedsuccessfullywithWCl6一Ph4Sncata

6、lysttogivehighmolecularweightpolymerbrushespoly(DPA—PPEGMA)Meanwhile，polymerbrushes(PDPAgPPEGMA)wereobtainedbyATRPofPEGMAfrompoly(BrDPA)ThemolecularweightofthesidechainsofPPEGMAcouldbecontrolledsimplybymodulatingtheATRPt

7、imeThemacromonomerandpolymerbrushesaresolubleinnonpolarsolventssuchastolueneandchloroformThepolymersofpoly(BrDPA)andpoly(DPAPPEGMA)absorbinthelongerwavelengthregion，謝thtwopeaksataround370and414nnlThepolymersarethermallys

8、tableandexhibitdoublecrystallizationandmeltingpeaksduringthecoolingandheatingSCanSLiquidcrystalline，side—on—fixedmonosubstitutedpolyacetylenescontaininglateralpendantsofterphenylmesogenswithflexiblespacersandalkoxytailwe