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Ultrahigh molecular weight polyethylene (UHMWPE) is widely used as a material for the base of skis due to its excellent tribological properties. In this study, composites were prepared by hot press molding method using UHMWPE modified with carbon nitride (PCN) and graphene oxide (GO). The morphology and structure were characterized by XRD, SEM, FTIR, Raman and hardness. The tribological properties of the UHMWPE composites were investigated. The results show that the addition of PCN and GO can effectively reduce the coefficient of friction (COF) of UHMWPE which can be reduced by 57% when the addition of PCN is 5% wt. Moreover, the PCN/UHMWPE composites can maintain the hardness of the UHMWPE surface which can effectively improve the anti-wear performance. This study is not only the first attempt to use PCN for doping modification of UHMWPE but also provides a new idea for the design and optimization of ski base materials.

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Modification and Tribological Properties of Ultrahigh Molecular Weight Polyethylene for Skis

  • 会议论文

  • 发表日期：

    2025年

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  • Yanheng Xu,
  • Lin Lin,
  • Hongjun Wang,
  • Ge Xu,
  • Lu Liu,
  • Zhihao Ben

摘要

Ultrahigh molecular weight polyethylene (UHMWPE) is widely used as a material for the base of skis due to its excellent tribological properties. In this study, composites were prepared by hot press molding method using UHMWPE modified with carbon nitride (PCN) and graphene oxide (GO). The morphology and structure were characterized by XRD, SEM, FTIR, Raman and hardness. The tribological properties of the UHMWPE composites were investigated. The results show that the addition of PCN and GO can effectively reduce the coefficient of friction (COF) of UHMWPE which can be reduced by 57% when the addition of PCN is 5% wt. Moreover, the PCN/UHMWPE composites can maintain the hardness of the UHMWPE surface which can effectively improve the anti-wear performance. This study is not only the first attempt to use PCN for doping modification of UHMWPE but also provides a new idea for the design and optimization of ski base materials.