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Study of Copolycondensate PET/PEN for Beer Bottle
Author(s): 
Pages: 67-69
Year: Issue:  6
Journal: CHINA PLASTICS INDUSTRY

Keyword:  对苯二甲酸二甲酯26-萘二甲酸二甲酯聚对苯二甲酸二乙酯聚26-萘二甲酸二乙酯气体阻隔性;
Abstract: 采用对苯二甲酸二甲酯(DMT)与2,6-萘二甲酸二甲酯(DMN)合成了聚对苯二甲酸二乙酯(PET)和聚2,6-萘二甲酸二乙酯(PEN)共缩聚物,研究了PEN用量对共缩聚PET/PEN热性能的影响,并研究了采用PET/PEN制成的啤酒瓶的物理性能、气体阻隔性能和贮藏性.结果表明:PET/PEN的性能与普通聚酯切片的相近,PEN质量分数为30%的PET/PEN制成的啤酒瓶可耐95℃高温,对O2、CO2气体的阻隔性比普通PET瓶提高6倍.
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