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Multifunctional Films Composed of Carbon Nanotubes and Cellulose  
Multifunctional Films Composed of Carbon Nanotubes and Cellulose
資料類型: PDF文件
關(guān)鍵詞: cellulose  carbon  nanotubes  multifunctional  composites  sensors  
資料大小: 102K
所屬學(xué)科: 分子表征
來(lái)源: 第六屆亞歐研討會(huì)上處理和性能增強(qiáng)聚合物會(huì)議文集(2013.6.2-6 武漢)
簡(jiǎn)介:
Theuseofintelligentmaterialswhicharecapableofreactingtoexternalstimuliisgrowinginmanyfields.Especially,functionalmaterialsbasedonrenewablebioresourcesandenwronmentallyfriendlyprocesseshaveattractedconsiderableattention.Byusingalkaline/ureaaqueoussolutionasasolvent,ahomogeneousdispersionofmulti-walledcarbonnanotubes(CNTs)andcelluloseinaqueoussystemwasobtained.ItprovidesaplatformtoprepareCNT/cellulosecompositessuchasfilms,fibres,foamsandsoon,throughasimple,efficientandenvironmentalfriendlyprocess.TheCNT/cellulosecompositefilmsfabricatedfromthisprocessareflexibleandhavethepotentialasbio-basedmaterials.UniformdispersionofCNTs,incombinationwithfavourableCNT-cellulosematrixinteraction,causesthebetterductilityandhighertoughnessofthematerials,aswellastheenhancedthermalstability.ThenetworkformationoftheCNTsincellulosematrixnotonlyintroducedgoodconductivitytothematerials,butalsoledtotheimpressivemultifunctionalsensingabilitiestotensilestrain,temperatureandenvironmentalhumidity.Especially,thefractionalresistanceofthecompositefilmsexhibitshighlylinearandrepeatablecorrelationtotensilestrain,indicatingtheirexcellentsensingabilityasstraingages.Furthermore,theseelectricallyconductiveCNT-cellulosecompositefilmscanserveashighlysensitive,wellreversibleandreproduciblesensorsforliquidwater,whichcanbewidelyusedinmanyfieldssuchasdetectionofwaterleakagesandwatercontentdetermination.Ontheotherhand,italsooffersapotentialwaytoinvestigatetheswellingmechanismofcellulose-basedmaterialsinliquidwaterandorganicsolvents.
作者: H. Qi, J. Liu, S. Gao, E. Mader
上傳時(shí)間: 2013-06-28 16:44:55
下載次數(shù): 1
消耗積分: 2  
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