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首页> 外文期刊>Journal of Applied Polymer Science >Interfacial evaluation of epoxy/carbon nanofiber nanocomposite reinforced with glycidyl methacrylate treated UHMWPE fiber
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Interfacial evaluation of epoxy/carbon nanofiber nanocomposite reinforced with glycidyl methacrylate treated UHMWPE fiber

机译：甲基丙烯酸缩水甘油酯处理的UHMWPE纤维增强的环氧/碳纳米纤维纳米复合材料的界面评价

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摘要

Interface interactions of fiber-matrix play a crucial role in final performance of polymer composites. Herein, in situ polymerization of glycidyl methacrylate (GMA) on the ultrahigh molecular weight polyethylene (UHMWPE) fibers surface was proposed for improving the surface activity and adhesion property of UHMWPE fibers towards carbon nanofibers (CNF)-epoxy nanocomposites. Chemical treatment of UHMWPE fibers was characterized by FTIR, XPS analysis, SEM, and microdroplet tests, confirming that the grafting of poly (GMA) chains on the surface alongside a significant synergy in the interfacial properties. SEM evaluations also exhibited cohesive type of failure for the samples when both GMA-treated UHMWPE fiber and CNF were used to reinforce epoxy matrix. Compared with unmodified composite, a similar to 319% increase in interfacial shear strength was observed for the samples reinforced with both 5 wt % GMA-grafted UHMWPE and 0.5 wt % of CNF. (C) 2016 Wiley Periodicals, Inc.
机译：纤维基质的界面相互作用在聚合物复合材料的最终性能中起着至关重要的作用。在此，提出了在超高分子量聚乙烯（UHMWPE）纤维表面上原位聚合甲基丙烯酸缩水甘油酯（GMA），以改善UHMWPE纤维对碳纳米纤维（CNF）-环氧纳米复合材料的表面活性和粘附性。 UHMWPE纤维的化学处理通过FTIR，XPS分析，SEM和微滴测试进行了表征，证实了聚（GMA）链在表面上的接枝以及界面性质的显着协同作用。当同时使用GMA处理的UHMWPE纤维和CNF增强环氧基质时，SEM评估还显示出内聚破坏类型。与未改性的复合材料相比，使用5 wt％的GMA接枝的UHMWPE和0.5 wt％的CNF增强的样品的界面剪切强度增加了约319％。 （C）2016威利期刊公司

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