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第46卷增刊中山大学学报(自然科学版)Vol146Sup1 2007年6月ACTASCIENTIARUMNATURALIUMUNIVERSITATISSUNYATSENIJun12007 StduyonAluminiumOxideN①anofibers ViaElectrospinning KANGWei2min1,2,CHENGBo2wen1,ZHUANGXu2pin1,2,RENYuan2lin1,2,DINGChang2kun1,ZHANGGui2fang1 (1.TianjinMunicipalKeyLabofFiberModificationandFunctionalFiber, TianjinPolytechnicUniversity,Tianjin300160,China; 2.SchoolofTextile,TianjinPolytechnicUniversity,Tianjin300160,China) Abstract:Thespinningsolutionsofaluminiumnitrate/PVAwhichwerepreparedbysol2gelprocessusingaluminiumnitrate,poly (vinylalcohol)(PVA)andwaterasmaterialswereelectrospunintoaluminiumnitrate/PVAorganic2inorganichybridfibers.Alumin2 iumoxidenanofiberswereobtainedwithdiametersof50~250nmaftercalcinations. Keywords:electrospinning;aluminiumoxide;nanofiber;calcination CLCnumber:TQ34315Documentcode:AArticleID:052926579(2007)S120265203 Alumiumoxidefiberhascommoncharacteristicsoussolutionswithdifferentconcentration.210gofalu2 suchashighheatresistance,highelectricalinsulation,miniumnitratedissolvedin210gwaterweresubse2 excellentwearresistance.Becauseofitsexcellentquentlydroppedslowlyintotheas2preparedPVAsolu2 properties,aluminahasbecomeoneofthemostpopular tionseparatelywhichwerethenkeptin60℃water inorganicfibermaterials,andmoreandmorescholars bathfor4handfollowedbyadditionof10mLethanol. wereattractedtopayattentiontostudyingonaluminium [1-2]Thus,theviscoussol2gelspinningsolutionsofalumi2 oxidefiber. However,itiswellknownthataluminaisusuallynumnitrate/PVAwereobtainedandelectrospunintoa2 verydifficulttoformintoafibrousstate,especiallyluminiumnitrate/PVAorganic2inorganichybridfibers nanoscalefibers.Amongalltheroutestoproducewhichweredryedinavacuumovenat90℃for24h, nanoscalefibers,electrospinningisrecognizedasoneandthenwerecalcinatedinmuffleat500℃and ofthesimpleandversatileprocesses,throughwhich1000℃for5hinairtogetpurealuminiumoxide continuousnanofibersfromahugerangeofmaterials, nanofibers. includingpolymers,compositesandceramicswithtun2 113Characterization ablediameterca