Poly (ethylene 2,6-naphthalate) was prepared with DMN, PEN physics, chemical characters and gas proofness was discussed in this paper.

• 摘要研究了2,6-萘二甲酸二甲酯(DMN)缩聚为聚2,6-萘二甲酸二乙酯(PEN)共聚物的合成工艺，讨论了PEN化学性质和气体阻隔性能。