一種丙烯酸酯側(cè)鏈型鐵電性液晶高分子的分子設(shè)計(jì)與合成.pdf

1、碩士學(xué)位論文一種丙烯酸酯側(cè)鏈型鐵電性液晶高分子的分子設(shè)計(jì)與合成DesigningandSynthesisofa1【indofside—chainFerrOelectricLiquidCrystaUinePolyacrylate姓名學(xué)科專業(yè)研究方向指導(dǎo)教師完成時(shí)間范程士高分子化學(xué)與物理液晶高分子章于川教授2005年5月蜜徽大學(xué)碩士學(xué)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