静电纺纤维的制备与其应用

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1、东华大学硕士学位论文静电纺纤维的制备及其应用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东华大学硕士学位论文静

7、电纺纤维的制备及其应用reasonsofporosityofelectrospunfibers：thehi曲voltageelectricfieldforcefailstoproducecontinuouselectrospunfibersbutporousfibersandbeadsduetolowsolutionconcentrationandviscosity；ahigherappliedvoltageleadstoanelo