高等学校化学学报

高等学校化学学报 ›› 1996, Vol. 17 ›› Issue (9): 1487.

• 论文 • 上一篇    下一篇

酞侧基聚芳醚酮的核磁共振研究(Ⅰ)──链结构及NMR谱的归属

张建国, 裴奉奎   

  1. 中国科学院长春应用化学研究所应用谱学开放实验室, 长春, 130022
  • 收稿日期:1995-10-17 出版日期:1996-09-24 发布日期:1996-09-24
  • 通讯作者: 张建国,男,43岁,副研究员.
  • 作者简介:张建国,男,43岁,副研究员.
  • 基金资助:

    国家自然科学基金

NMR Investigation of Phenolphthalein Polyether ether ketone(Ⅰ)──The Chain Structure and Assignments of 1H, 13C NMR Lines of PEK-C

ZHANG Jian-Guo, PEI Feng-Kui   

  1. Changchun Institute of Applied Chemistry, Academia Sinica, Changchun, 130022
  • Received:1995-10-17 Online:1996-09-24 Published:1996-09-24

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摘要： 用1D NMR方法研究酞侧基聚芳醚酮(PEK-C)链结构,用二维同核化学位移相关与二维异核化学位移相关实验方法对1D NMR谱峰进行归属,探讨了二维异核远程相关实验在缩聚高分子研究中的应用,为PEK-C修饰机理以及共混相容机理的研究提供重要信息。溶液NMR谱图数据表明,PEK-C具有较规整的链结构。

关键词: 酞侧基聚芳醚酮, 链结构, 1D NMR, 2D NMR

Abstract: Amorphous samples of polyether ketone with cardo(PEK- C)have been studied in the solution state by 13C,1H high-resolution NMR.The 1H and 13C 1D NMR spectra were assigned using two dimensional chemical shift correlated spectroscopy.2D homonuclear correlated(COSY)and heteronuclear correlated (HETCOR)spectroscopy present important information.In this work, the structural units of PEK-Cwas determined by NMR.For some peaks, these assignments are confirmed by two dimensional long-range heteronuclear correlation experiments, Alittle modification is made on the original 13C peak assignments for the main chain.The symmetry and the isotacticity of the chain structure for PEK -Care obvious on NMR data.

Key words: Polyether ketone with cardo, Chain structure, 1D NMR, 2D NMR

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