From the micro-level viewpoint, the permeating process of infiltration substances in the material was analyzed, and main factors to affect the barrier property of HDPE were put forward. Principle and research progress of the modification technology to improve the barrier property of HDPE were summarized. Meanwhile, advantages and disadvantages of different technologies were discussed, which can provide the guidance for selecting modification technology in the future.%从微观层面上分析了渗透物在材料中的渗透过程,指出了影响高密度聚乙烯阻隔性能的因素；综述了当前适用于改善高密度聚乙烯阻隔性能的技术原理及研究进展,同时指出了它们存在的优缺点,为今后选择适合的改性技术提供了一定的参考依据.
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