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Glass Fibres with Photocatalytic Capabilities  
Glass Fibres with Photocatalytic Capabilities
资料类型: PDF文件
关键词: glass  fibre  titanium  dioxide(ti02  )  photoactivity  water  
purification  
资料大小: 102K
所属学科: 分子表征
来源: 第六届亚欧研讨会上处理和性能增强聚合物会议文集(2013.6.2-6 武汉)
简介:
Photocatalyticreactionsusingnano-sizedtitaniumdioxide(Ti02)todegradeorganiccompoundsinwaterhavebeendevelopedformanyyears.However,thewideapplicationofthismethodwaslimitedbecauseoftheproblemsassociatedwiththereusageofdispersednanoparticlesandhighcostofmaterials.ThedepositionofTi020ntovarioussubstratesoffersapossiblewaytoovercomeaforementioneddifficultiescl].Glassfibreshavebeenplayingsubstantialrolesasmajorreinforcementsinmanufacturingfibrereinforcedpolymersforvariousapplicationsc2].Herein,wereportedthepreparationoffunctionalglassfibreswithphotocatalyticcapabilitiesforenvironmentalremediation.MonodispersedTi02nanoparticleswereanchoredonE-glassfibresviaasimplehydrothermalprocess,makingthefibressensitivetoUVlight.ThefunctionalfibresexhibitedusingthesefibresweremuchhigherthanthosewithTi02nanoparticlesasaphotocatalyst.Nearly100%ofMBwithaninitialconcentrationof10mg/Lwasremovedwithin50minutes,incontrasttoabout78.6%removalofMBusingTi02nanoparticlesunderthesameexperimentalconditions.Theseenhancementswereattributedtothehighsurfaceareaoffunctionalfibres(281m2/g)andadsorption-concentration-promotedphotocatalysisE31.Inaddition,theremovalrateofMBbyemployingfunctionalglassfibresremainsstableaftercyclicrunningforfivetimes,showingthereusableadvantageoffibresinrealapplication.
作者: L. Chen, P. C. Ma
上传时间: 2013-07-02 14:11:24
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