应用化学 ›› 1990, Vol. 0 ›› Issue (4): 57-61.

• 研究论文 • 上一篇    下一篇

溴代及胺交联聚苯醚(PPO)膜的气体透过行为

郝建强, 贾连达, 徐纪平   

  1. 中国科学院长春应用化学研究所 长春 130022
  • 收稿日期:1989-07-22 修回日期:1989-10-31 出版日期:1990-08-10 发布日期:1990-08-10
  • 基金资助:
    国家自然科学基金

GAS PERMEATION OF AMINE-CROSSLINKED POLY(2,6-DIMETHYLPHENYLENE OXIDE)MEMSRANE

Hao Jianqiang, Jia Lianda, Xu Jipin   

  1. Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022
  • Received:1989-07-22 Revised:1989-10-31 Published:1990-08-10 Online:1990-08-10

摘要: 对聚苯醚(PPO)进行了苯环溴代、甲基溴代以及胺交联,发现苯环溴代可提高O2、N2透过率(P),而选择性(α)基本不变。甲基溴代则相反,P降低、α有明显提高。调节两者比例可得到P、α兼优的O2、N2分离膜。甲基溴代后进一步胺交联可得到α更高、耐溶剂的膜材料。

关键词: 聚苯醚, 溴代, 交联, 透过率, 气体分离膜

Abstract: Poly(2,6-dimethylphenylene oxide) (PFO) has been brominated and crosslinked withammonia, ethylenediamine, m-phenylenediamine and hexamethylenetetramine. It was foundthat the oxygen permeability of the polymer membrane increased with the aryl-bromine con-tent in BrPPO and decreased with the benzyl-bromine content in BrPPO. NH3-crosslinkingof BrPPO increased the oxygen permeability. Ethylenediamine-crosslinking of BrPPO increasedthe selectivity of oxygen over nitrogen significantly. Through crosslinking of benzyl-bromi-nated PPO a solvent resistant membrane with high selectivity of oxygen over nitrogen wasobtained.

Key words: PPO, bromination, crosslinking, permeability, gas separation membrane