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首页> 外文期刊>Journal of Applied Polymer Science >Improvement of the Mechanical Properties of an Ultrahigh Molecular Weight Polyethylene Fiber/Epoxy Composite by Corona-Discharge Treatment
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Improvement of the Mechanical Properties of an Ultrahigh Molecular Weight Polyethylene Fiber/Epoxy Composite by Corona-Discharge Treatment

机译：通过电晕放电处理改善超高分子量聚乙烯纤维/环氧树脂复合材料的机械性能

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摘要

The interfacial shear strength of an ultrahigh molecular weight (UHMW) polyethylene (PE) fiber/epxoy-resin system was greatly improved by the corona-discharge treatment of the fiber. The UHMW PE-fiber/epoxy-resin compposite was prepared with corona-discharge-treated UHMW PE fiber. The mechanical properties of the composite sheet were determiend by tensile testing. The tensile strength of the composite was also very much improved. However, the tensile strength of the composite was about one-half of the theoretical strength. This results was due to the molecular degradation of the PE-fiber surface caused by surface modification.
机译：通过对纤维进行电晕放电处理，极大地提高了超高分子量（UHMW）聚乙烯（PE）纤维/环氧树脂体系的界面剪切强度。用电晕放电处理过的UHMW PE纤维制备UHMW PE纤维/环氧树脂复合材料。通过拉伸试验确定复合片的机械性能。复合材料的拉伸强度也大大提高。但是，复合材料的拉伸强度约为理论强度的一半。该结果是由于表面改性引起的PE纤维表面的分子降解。

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