高等学校化学学报 ›› 1994, Vol. 15 ›› Issue (6): 937.

• 研究简报 • 上一篇    下一篇

多环芳二酐型聚酯亚胺膜的透气性能

李悦生1, 丁孟贤2, 徐纪平2   

  1. 1. 浙江大学高分子科学与工程研究所, 杭州, 310027;
    2. 中国科学院长春应用化学研究所
  • 收稿日期:1993-06-07 修回日期:1993-09-30 出版日期:1994-06-24 发布日期:1994-06-24
  • 通讯作者: 李悦生,男,33岁,博士后.
  • 作者简介:李悦生,男,33岁,博士后.
  • 基金资助:

    国家自然科学基金

Permeability and Permselectivity of HQDEA-BASED and BPADA-based Polyetherimides and HQDEsA-ODA

LI Yue-Sheng1, DING Meng-Xian2, XU Ji-Ping2   

  1. 1. Institute for Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027;
    2. Changchun Institute of Applied Chemistry, Academia Sinica, Changchun
  • Received:1993-06-07 Revised:1993-09-30 Online:1994-06-24 Published:1994-06-24

关键词: 聚醚酰亚胺, 聚酯酰亚胺, 膜, 透气性

Abstract: Aseries of aromatic polyimides from 3 kinds of dianhydrides containing ether bond and ester bond were prepared byconventional procedure.Gas permeabilities for 6 kinds of polymers to H2, O2 and N2 have been measured at the temperature from ambient up to 150℃.There is a very large difference in the permeability coefficients of the polyimides accompanied the difference in polymer structure.BPADA-based polyetherimides with the largest free volume have the highest permeability, while polyesterimide(HQDEsA-ODA)with the smallest free volume has the lowest permeability, being favorable barrier polymer.

Key words: Polyetherimide, Polyesterimide, Membrane, Permeability

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