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1、東華大學碩士學位論文靜電紡纖維的制備及其應用PreparationandApplicationsofElectrospunFibersAbstractInthelastdecade，withtheriseofnanotechnologyagreatdealofattentionhasbeenpaidtoelectrospinningmethodtoproducecontinuousnanofibers，andtheoryresearchhasalsobeenexploredsystematically．Electrospinningisthesimplest，thecheapest，an
2、dthemoststraightforwardwaytoproducenanofibersbyforcingapolymersolutionormeltthroughaspinneretwithahiIghvoltageelectricfield．Inourstudytheelectrospunfibersaredefinedasthesecontinuousfibers、析thdiameterofbetween10nnland50am，muchsmallerthanthediameteroftraditionalfibers．Electropunfibersalwayscollecta
3、sanonwovenfabriconagroundedplatebelowthesprayer．Theseareanyeffectsthatthebulkformofthesanlematerialdoesnotpossessconsideringthenanoscaleandfractalstructureofelectrospunfibers，forexample，unusualstrength，highthermalandelectricconductivity,andhighsurfaceenergyTherefore，herewewouldliketohighlightthei
4、mportanceofelectrospunfibers，ingeneral，forkindsofapplicationslikesoundabsorption，feltfilter，tissueengineering，drugrelease，wounddressing，andpreparationofCNTsetc．Theelectrospinningprocessofthepolymersolutionisstudied．Inthiswork，weevaluatesystematicallytheeffectsoftheprocessingparameterssuchassoluti
5、onconcentration，spinningvoltage，distanceofcollection，diameterofthesprayerandenvironmentaltemperatureonthediameterandthemorphologyoftheelectrospunfibers．Wefindthatthediameteroftheelectrospunfibersincreaseswiththeincreaseofsolutionconcentration．Increasingelectrospinningvoltagedecreasesthediameterof
6、thefibers．Increasingthedistanceofcollectionmakesthediameterofthefibersdecreaseandthenkeepconstant．Increasingthediameterofthesprayerincreasesthediameterofthefibers．Increasingthediameteroftheenvironmentaltemperaturedecreasesthediameterofthefibers．Inthepresentworkwealsoevaluatetwopossible東華大學碩士學位論文靜
7、電紡纖維的制備及其應用reasonsofporosityofelectrospunfibers：thehi曲voltageelectricfieldforcefailstoproducecontinuouselectrospunfibersbutporousfibersandbeadsduetolowsolutionconcentrationandviscosity；ahigherappliedvoltageleadstoanelo
