無尖端噴頭納米纖維批量電紡的實驗研究.pdf

1、廈門大學碩士學位論文無尖端噴頭納米纖維批量電紡的實驗研究姓名：黃小平申請學位級別：碩士專業(yè)：機械電子工程指導教師：孫道恒20080501AbstractAbstractElectrospinninghasbeenrecognizedasafast，simpleandlowcosttechniqueforfabricatingthepolymernanofibersduetotheprocessisapurephysicalwayandd

2、oesn’tneedtemplateandstrengthenforceWiththeseadvantages，electrospinninghasattractedlotsofattentionsinthescientificresearchandindustrialapplicationAtpresentintraditionalsingleneedleelectrospinning，asinglejetisissuedfromas

3、ingleneedleThislowthroughputCan’tsatisfytherequirementofnanofibers’applicationsinthefieldsofcomplexmaterials，bio—scaffold，wounddressingsandfiltermembraneThetechniquetomassspunnanofibersisthekeyfortheindustrialapplication

4、ofelectrospinningnanofibersBasedonElectroHydroDynamics(EHD)instabilitiesmechanismanovelmethodforthehighthroughputnanofiberselectrospinning，whichiscalled“Tip—LessElectroSpinning(TLES)”，ispresentedinthisthesisInsteadofusin

5、gtheconventionalneedle，weuseametalcylindricalrotatorasthespinnerettoachievethemassproductionofnanofibersunderhighvoltageExperimentalresultsshowthatthenanofibersyieldbyTLESismorethan700timesenhancementthanthatfromtraditio

6、nalelectrospinningprocess，whichmakingTLESapotentialtoolinproducingmassspunnanofibersforvariousapplicationsThemainworkinthispaperare：designanequipmentusingformass—spunnanofibersthroughTip—lesselectrospinning，investigateth

7、eformationofjetsonthethinliquidfilmandseekaftertheoptimumparametersThispaperincludesfiveaspectslistedasfollows：●BringforwardanovelmethodforthehighthroughputnanofiberselectrospinningbasedontheprincipleofElectrohydrodynami

8、cs●DesignanequipmentusingformassspunnanofibersthroughTip—lesselectrospinning，includingametalcylindricalrotatorwithsmoothsurfacewhichisutilizedasaspinneret，agroundedcollector，acontainer，aninsulatedscraperandahighvoltagesu