Evaluation temperature and strain sensing properties of electrically conductive elastic fibres，2009先进纤维与聚合物材料国际学术会议（ICAFPM，10.21-10.24，上海）-中国聚合物网,论文下载

Evaluation temperature and strain sensing properties of electrically conductive elastic fibres

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polyaniline polyurethane sensing fibres temperature strain

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分子表征

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2009先进纤维与聚合物材料国际学术会议（ICAFPM，10.21-10.24，上海）

简介：

Smarttextilesareabletosenseelectrical,thermal,chemical,magnetic,orotherstimulifromtheenvironmentandadaptorrespondtothembyusingfunctionalitiesintegratedintotextilestructures.Theprimaryaimofthisstudywastodemonstratethatcommercialelasticfibrescouldbeconvertedtoactassensingfibres.Thiswasachievedthroughtheformationofthinpolyanilinelayerscoatedonthepolyurethanefibresbyinsituchemicaloxidativepolymerizationmethod.Thesurfaceandthecross-sectionmorphologyoftheresultingfibreswereobservedbySEM,whichshowedthatpolyanilineparticleswerein-homogeneouslydistributedonsurfacesofpolyurethanefibres.Theconductivityoftheresultingfibresincreasedgreatlywithincreasingofthicknessofpolyanilinelayers,anddecreasedwithincreasingtemperatureandexhibitedalinearresponsefrom0to60°С.Straindeformationbehaviourofthefibreswasdetectedthroughapplyingacertainstrainandtrackingtheconductivitychange.Thesimulationsperformedonthisstructureshowedaverygoodlinearityoverawiderangeofappliedstrainfrom5%to400%.Theresponsesonthetemperatureandstrainsensingpropertieswereattributedtothechangesofthegrainresistanceofthepolyanilineparticlesandgrainboundaryresistanceinducedbyadequateexternalstimulus.

作者：

FAN Qinqing, QIN Zongyi, ZHAO Chenyang, GONG Jinghua, ZHU Meifang, LI Longfei, DING Yongsheng

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2010-03-24 15:19:28

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