超细电纺纳米纤维的直接制备

超细电纺纳米纤维的直接制备第9卷第6期纳米技术与精密‘工程Vol，9No．62011年l1月NanotechnologyandPrecisionEngineeringNov．2011DirectFabricationofUltrafineElectrospinningNanofiberLIWen．wan91’2，ZHENGGao-fen91，WANGXian91，ZUOWen-jial，ZHANGYu—lon93，LILei4，SUNDao．hen91(1．DepartmentofMechanicalandElectricalEngineering，XiamenUniversity，Xiamen361005，China；2．DepartmentofMechanicalE119ineering，XiamenUniversityofTechnology，Xiamen361005，China；3．Pen-TungSahMicro—NanoTechnologyResearchCenter，XiamenUniversity，Xiamen361005，China；4．DepartmentofMaterialsScienceandEngineering，XiamenUniversity，Xiamen361005，China)Abstract：AnovelspinneretassembledwithCugridwaspresentedinthispapertofabricateuhrafinenanofiberdirectly．Beforeelectrospinning，hydrophobictreatmentwasperformedontheCu咖d，whichwasthenfixedatthefrontendofspinneret．Duringelectrospinning，thepolymersolutionWastransferredtothespinneretbytheprecisesyringepump．ThroughtheholesintheCugrid，polymersolutionflowWasdividedintoseveralsmallerones．ThefineliquidflowfromeachholeofCugridWasstretchedintoind