高等学校化学学报

高等学校化学学报 ›› 2001, Vol. 22 ›› Issue (10): 1748.

• 研究论文 • 上一篇    下一篇

非晶聚对苯二甲酸乙二酯的制备与表征

刘速怀1, 张树范1, 漆宗能1, 张广利2, 张鸿志2   

  1. 1. 工程塑料国家重点实验室, 分子科学中心, 中国科学院化学研究所, 北京 100080;
    2. 北京大学化学与分子工程学院, 北京 100871
  • 收稿日期:2000-03-21 出版日期:2001-10-24 发布日期:2001-10-24
  • 通讯作者: 漆宗能(1934年出生),男,研究员,博士生导师,主要从事高分子合金与聚合物粘土纳米复合材料的研究.
  • 基金资助:

    国家自然科学基金(批准号:59833310);北京市自然科学基金(批准号:2982018)资助

Preparation and Characterization of Amorphous Poly(ethylene terephthalate)

LIU Su-Huai1, ZHANG Shu-Fan1, QI Zong-Neng1, ZHANG Guang-Li2, ZHANG Hong-Zhi2   

  1. 1. State Key Laboratory of Engineering Plastics, Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China;
    2. College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
  • Received:2000-03-21 Online:2001-10-24 Published:2001-10-24

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摘要： 采用引入U-polymer的路线制备了非晶聚对苯二甲酸乙二酯(APET).用DSC和DMA等手段研究了APET的性能.结果表明,经改性后得到的APET无结晶,透明性得到改善,玻璃化转变温度和储能模量都较PET有一定程度提高.

关键词: 非晶聚对苯二甲酸乙二酯, U-polymer, 界面缩聚, 熔融缩聚

Abstract: U-polymer, a kind of polyarylate was synthesized by interfacial polycondensation method and its structure was characterized by IRand 1H NMRspectra. Amorphous poly(ethylene terephthalate) (APET) was prepared with introduction of U-polymer to improve the thermal and mechanical behavior of PET. The properties of APETwere characterized by DSCand DMA. The results showed that the APETexhibits amorphism, transparency, higher glass transition temperature(Tg) and higher storage modulus than those of PET.

Key words: Amorphous poly(ethylene terephthalate), Upolymer, Interfacial polycondensation, Molten polycondensation

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