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Recent Advances in Online Hybrid Yarns for Thermoplastic GF Composites  
Recent Advances in Online Hybrid Yarns for Thermoplastic GF Composites
資料類型: PDF文件
關(guān)鍵詞: Thermoplastics  Online  hybrid  yarns  Polyamide  Polypropylene  Poly(lactic  
acid)  
資料大?。?/td> 153K
所屬學(xué)科: 分子表征
來源: 第六屆亞歐研討會(huì)上處理和性能增強(qiáng)聚合物會(huì)議文集(2013.6.2-6 武漢)
簡介:
Onlinehybridyarnswerespunwiththreedifferentpolymericmatrices.Dependingonthematrix,tailoredsizingswereappliedandtheresultingmechanicalperformancesofunidirectionalcompositeswereevaluated.Dependingontheemployedchemistry,significantimprovementsinthefibre/matrixbondingwereachieved.Asbasematerialsforthehybridyarnspinning,E-Glass(GF)aswellasPLA,PPandPA6.6(lnge02002D,NatureWorksLLC;HG455FB,BorealisandUltramidA27,BASF)wereused.In-situcommingledhybridyarnsconsistingof204glassand102polymerfilaments,respectively,werespunattheLeibniz-InstitutfurPolymerforschungDresdencl].AschematicofthepilotplantusedforthesetrialsisillustratedinFigurel.Tailoredsizingswereappliedinordertopromotefibre/matrixbonding.FilamentwindingofthehybridyarnsfollowedbycompressionmouldingwasusedtomanufactureunidirectionalcompositeswithaGFweightfractionbetween40and60vol%.ThesuccessfulspinningofGFhybridyarnswithdifferentmatrixpolymersandthehighmechanicalpropertiesofthethereofpreparedunidirectionalcompositesdemonstratethepotentialofthistechnologyforthemanufacturingofsecondaryandprimarystructuralcomponents.EspeciallytheinfluenceoftailoredinterphasesontothebondingbetweenglassfibreandmatrixwasshowntosignificantlyimprovetheinterphaseadhesionstrengthoftheGF/Polymercomposites.
作者: N. Wiegand, E. Mader, M. Kruger
上傳時(shí)間: 2013-06-28 16:39:11
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