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Alignments of Exfoliated Clay Layers or Carbon Nanotubes in Polymer Nanocomposites Induced by Liquid Crystal Phase  
Alignments of Exfoliated Clay Layers or Carbon Nanotubes in Polymer Nanocomposites Induced by Liquid Crystal Phase
资料类型: Word文件
关键词: Alignments  Exfoliated  Clay  Layers  Carbon  Nanotubes  Polymer  
Nanocomposites  Induced  Liquid  Crystal  Phase  
资料大小: 32K
所属学科: 分子表征
来源: 2007高分子材料加工国际学术会议(5.18-5.20 北京)
简介:
Recently,polymer-matrixnanocomposites,especiallycontainingclaylayersorcarbonnanotubes(CNTs),haveattractedconsiderableattentionowingtotheiruniquemechanical,andmulti-functionalpropertiesresultingfromthenano-scalemicrostructureandextremelylargeinterfacialarea.To-date,themainchallengesaretoimprovethedispersionorexfoliation,andalignmentofclaylayersorCNTsinapolymermatrixwhenprocessingthesenanocomposites.Severalreviewarticles[1-4]havesummarizedtherecentprogressesinthoseareas.Duetotheuniquemolecularstructureofliquidcrystals(LC),theliquidcrystallinephaseiseasytoorientalongtheappliedfield,suchasforce,electricandmagneticfields.Kawasumietal.[5,6]preparedanematiclowmolarmassliquidcrystal/claycomposite,andusedthelowmolarmassLCtoinducetheorientationofclaylayersalongthedirectionoflow-frequentelectricfield.Here,wereportrecentresultsonshear-inducedalignmentofexfoliatedclaylayersandCNTsinpolymer-matrixnanocompositesvialiquidcrystallinepolymer(LCP)orlowmolarmassliquidcrystal.
作者: X. L. Xie1, Y. K. Yang1, X. P. Zhou1, Y.-W. Mai2
上传时间: 2007-09-03 15:14:10
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