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Comparative Study on Mechanical Performances of Cross-Ply Laminates of HDPE Fiber, HDPE/rPET and HDPE/LCP Composite Fibers  
Comparative Study on Mechanical Performances of Cross-Ply Laminates of HDPE Fiber, HDPE/rPET and HDPE/LCP Composite Fibers
资料类型: PDF文件
关键词: Composite  fiber  Recycled  PET  Liquid  crystalline  polymer  
Polyethylene  Mechanical  property  Laminate  
资料大小: 76K
所属学科: 通用高分子材料
来源: 来源网络
简介:
Therecycledpoly(ethyleneterephthalate)(rPET)usedasanalternativereinforcingmaterialforinsitumicrofibrillar-reinforcedpolyethylene(PE)basedcompositefibers,comparedwithliquidcrystallinepolymer(LCP),wasinvestigated.TheneatPEanditscompositesreinforcedwithLCPandrPETmicrofibrilsunderthecompatibilizingpromotionof5wt%styrene-(ethylenebutylene)-styrene-graftedmaleicanhydride(SEBS-g-MA)compatibilizer,werepreparedasfiberusinghotdrawingprocess.Cross-PlylaminatesoftheneatPEandthecompatibilizedcompositefiberswerethenpreparedusingfilmstackingmethod.Tensile,flexuralandimpactperformancesofeachlaminatesystemwereexaminedandcompared.Undertensileloading,nosignificantdifferenceintheintialpartofthestress-straincurvesandhencetensilemodulusamongalllaminateswasobserved.Thedifferencewasseenonlyinthefinalpartofthecurves.Underflexuralloading,however,cleardifferencewasseen.TheflexuralmoduliofthecompatibilizedLCP-andrPET-compositeslaminatesweremuchhigherthanthatoftheneatPElaminate.Interestingly,thecompatibilizedrPET-compositelaminateshowedmuchbetterimpact-resistancecomparedwithPE-compositesandcompatibilizedLCP-Iaminates.TheobtainedresultsdemonstratedthehighpotentialuseoftherPET-compositefiberlaminateinimpact-resistantapplication.
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