一種丙烯酸酯側鏈型鐵電性液晶高分子的分子設計與合成.pdf

1、碩士學位論文一種丙烯酸酯側鏈型鐵電性液晶高分子的分子設計與合成DesigningandSynthesisofa1【indofside—chainFerrOelectricLiquidCrystaUinePolyacrylate姓名學科專業(yè)研究方向指導教師完成時間范程士高分子化學與物理液晶高分子章于川教授2005年5月蜜徽大學碩士學位論文Abs盯actAbstractBasedontheliquidcrystalpolymertheory

2、，akindofside—chainferroelectricliquidcrystallinep01yacrylatewassynthesizedbychoosinghiphenylgroupasrigidnucleusofmesophasegroup，I。一2一methylbuLanolaschiralcenLerandhexylideneasflexiblespacinggroupTheintermediateL一2一methyl

3、butyl4’一hydr()xylbipheyl—4一carboxy—latcwassynthesizedfr【)m4hydroxy】biphenyl，4一cyano4’一hydroxylbipheny]andL2mcthylhutanolthr()ughthreedjfrerentkjndsofwaysConsiderofthemaLerials，reactiontimeandyields，theoptimalroutewaschos

4、eflEtherificationbetwecnhydroxyland6一hydroxylhexaneclorideistoleadinflexiblespacer，thenthemono邢erwasmadefromtheproductandacrylicacidThcstructureoftheintermediateandpolymerwasidentifiedbyFTIRand‘州MR，theirproperLiesof1iqui

5、derYstallinewerecharacterizedbydifferentialscanningcalorimeLer(DSC)，polarizedopticalmicroscope(TPOM)andX—raydiffraction(xRD)Themainpointsofthisdissertationconsistthefollowingponts：Firstly，BasicLheoryandapplicationprospec

6、tofferroelectric1iquidcrystalandferroelectricliquidcrystalpolymerweresur啪arized，accordingLo1iquidcrystalpolymerLheory，akindofsidechainfeFreoelectricacrylaceliquidcrystalscontainingopticallyactiVesubstrateworedesjgnedandt

7、heoptimalsyntheticroutewass01ecLedfromthreedifferentrouLesSecondIy，M。nomerswerepolymerizedbychoosingappropriatesynthesizerouteInfluonceofdifferentp01ymericconditions，suchasiniLiatorconcentration、monomerconcentration、temp