Preparationandcharacterizationofmacroscopicallyelectrospun polyamide66nanofiber bundles
writer：Shasha Wu a, BoWang a, GuoqiangZheng （通訊作者）, ShuangyangLiu a, KunDai a, Chuntai Liu a,n, ChangyuShen
keywords：Electrospinning Polymer Nanofiber bundles Microstructure Tensileproperty
source：期刊
specific source：Materials Letters
Issue time：2014年
In thisstudy,macroscopicpolyamide66(PA66)nanofiber bundlesweresuccessfullyelectrospunusing
two electrodepinsascollector.Oneofthepinscanrotatewithaspeedof300rpm.Scanningelectron
microscope, tensiletest,wide-angleX-raydiffractionanddifferentialscanningcalorimetrywere
employedtocharacterizethearrangementofelectrospunnanofibers inbundle,tensilepropertyand
microstructureofelectrospunnanofiber bundles.Resultsshowthatthecollectorpin''srotatingspeednot
only significantly influences thearrangementofnanofibers inbundlebutalsothecrystallinityand
porosity ofnanofiber bundles,whichfurtherinfluence thetensilestrengthandfailurestrainofnanofiber
bundles.