固體聚離子液體的有序性表征

聚離子液體有序性表征聚離子液體有序性具體表征手段目錄聚離子液體132聚離子液體自組裝離子液體（IL）：是指由有機(jī)陽(yáng)離子和無(wú)機(jī)陰離子組成的物質(zhì),一般認(rèn)為其熔點(diǎn)低于100℃。聚離子液體(PIL)即是離子液體的聚合物，與離子液體相比最大的優(yōu)點(diǎn)就是空間可控性。MecerreyesD.Polymericionicliquids:Broadeningthepropertiesandapplicationsofpolyelectrolytes[J].ProgressinPolymerScience,2011,36(12):1629-1648.1：聚離子液體聚離子液體的應(yīng)用MecerreyesD.Polymericionicliquids:Broadeningthepropertiesandapplicationsofpolyelectrolytes[J].ProgressinPolymerScience,2011,36(12):1629-1648.2：聚離子液體自組裝聚離子液體通常是一種兩親性高聚物，而后通過(guò)自組裝方法納米結(jié)構(gòu)材料的制造引起了越來(lái)越大的興趣。固定納米結(jié)構(gòu)的聚合物所合成聚離子液體嵌段共聚物自組裝，微相分離成不同相態(tài)結(jié)構(gòu)納米結(jié)構(gòu)的聚離子液體聚離子液體兩親性分子自組裝成不同的有序液晶相結(jié)構(gòu)所以我們有必要通過(guò)合適的表征手段對(duì)兩親性聚離子液體自組裝后的局部有序性行為進(jìn)行研究而且通過(guò)結(jié)構(gòu)有序性的研究可以與聚離子液體的一些性質(zhì)進(jìn)行關(guān)聯(lián)。直接cryo-TEMX-raydiffractionDifferentialscanningcalorimetryPolarizedopticalmicroscopy(POM)AFM間接6.smallangleX-rayscattering(SAXS)3：聚離子液體有序性具體表征手段dispersionpolymerization：Thepolymerizationproceededover24hatamonomerconcentrationof50g/Linaqueoussolutionsat70℃usingthewater-solublenonionicinitiator2,2-azobis[2-methyl-N-(2-hdroxyethyl)propionamide](VA86).1.Self-AssemblyofPoly(ionicliquid)s:Polymerization,MesostructureFormation,andDirectionalAlignmentinOneStepJiayinYuan,SebastianSoll,MarkusDrechsler,AxelH.E.M€uller,andMarkusAntonietti水溶液中乳液聚合分散的聚離子液體納米粒子用冷沉淀-TEMXRD洋蔥多層囊泡結(jié)構(gòu)（接近球形）脂質(zhì)單層囊泡結(jié)構(gòu)（各向異性的剛性形態(tài)）演變成各向異性存有六方相態(tài)或者四方相態(tài)結(jié)構(gòu)的納米粒子。正方排列DSCPIL-C12Br是非晶的，對(duì)于C14,C16,C18分別在1,21,and35℃出現(xiàn)結(jié)晶的熔融吸熱峰。5.InfluenceofAnionExchangeinSelf-AssemblingofPolymericIonicLiquidBlockCopolymersPedroMariaCarrasco,AlaitzRuizdeLuzuriaga,MariosConstantinou,ProkopiosGeorgopanos,SofiaRangou,ApostolosAvgeropoulos,NikolaosE.Zafeiropoulos,Hans-JurgeGrande,GermanCaba~nero,DavidMecerreyes,andIgnacioGarcia*AFM垂直于表面的柱狀相生成smallangleX-rayscattering(SAXS)當(dāng)X射線照射到試樣上時(shí)，如果試樣內(nèi)部存在納米尺度的電子密度不均勻區(qū)，則會(huì)在入射光束周?chē)男〗嵌确秶鷥?nèi)（一般2

6o）出現(xiàn)散射X射線，這種現(xiàn)象稱(chēng)為X射線小角散射或小角X射線散射（SmallAngleX-rayScattering），簡(jiǎn)寫(xiě)為SAXS。其物理實(shí)質(zhì)在于散射體和周?chē)橘|(zhì)的電子云密度的差異。SAXS已成為研究亞微米級(jí)固態(tài)或液態(tài)結(jié)構(gòu)的有力工具常見(jiàn)的溶致液晶種類(lèi)lyotropicliquidcrystalrespectivelyforlamellar,Hexagonaland

CubicphasedSketchmodeloflyotropiclamellarliquidcrystal1/d2/d3/d4/d5/d#0q=2p/d=2p*D#*cw/(l*a)#0=beamcentercw=channelwidth(54μm)l=wave-length=1.542Aa=sample-detectordistanceD#D#D#lyotropiclamellarliquidcrystal普適性規(guī)律lyotropicHexagonalliquidcrystal普適性規(guī)律普適性規(guī)律0.195，0.339，0.394，滿(mǎn)足2D六方柱狀結(jié)構(gòu)六方柱狀結(jié)構(gòu)的減少q=0.189,0.328,0.379q=0.190and0.379?滿(mǎn)足1:2層狀相柱狀相的消失，層狀結(jié)構(gòu)生成4.FormationofaLiquid-CrystallineInterpenetratingPoly(ionicliquid)NetworkHydrogelGregoryA.Becht,MarinaSofos,SonkeSeifert,andMillicentA.FirestonepolarizedopticalmicrographSAXSSAXS2-Dpattern柱狀相紋理特征近晶型3DInterconnectedIonicNano-ChannelsFormedinPolymerFilms:Self-OrganizationandPolymerizationofThermotropicBicontinuousCubicLiquidCrystals滿(mǎn)√6:√8,對(duì)應(yīng)ia3d立方相行為滿(mǎn)足1：2，對(duì)應(yīng)六方柱狀相結(jié)構(gòu)TheEffectofCationStructureontheMesophaseArchitectureofSelf-AssembledandPolymerizedImidazolium-BasedIonicLiquidsDollyBatra,So¨nkeSeifert,MillicentA.Firestone*水含量5%，0.2和0.4低散射矢量寬的衍射峰對(duì)應(yīng)的是弱有序的層狀結(jié)構(gòu)水含量21%q=0.197,0.264,and0.336，0.392滿(mǎn)足對(duì)應(yīng)pn3m立方結(jié)構(gòu)。含水量33%Q=0.192,0.274,0.332,and0.383A，此時(shí)0.274衍射峰強(qiáng)度