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Citation: Hao Jianqiang, Jia Lianda, Xu Jiping. GAS PERMEATION OF AMINE-CROSSLINKED POLY(2,6-DIMETHYLPHENYLENE OXIDE) MEMSRANE[J]. Chinese Journal of Applied Chemistry, ;1990, 7(4): 57-61. shu

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

1.
Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received Date: 22 July 1989
Available Online: 31 October 1989
Fund Project:

Poly(2,6-dimethylphenylene oxide) (PFO) has been brominated and crosslinked with ammonia, ethylenediamine, m-phenylenediamine and hexamethylenetetramine. It was found that 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-crosslinking of BrPPO increased the oxygen permeability. Ethylenediamine-crosslinking of BrPPO increased the selectivity of oxygen over nitrogen significantly. Through crosslinking of benzyl-bromi-nated PPO a solvent resistant membrane with high selectivity of oxygen over nitrogen was obtained.
- PPO,
- bromination,
- crosslinking,
- permeability,
- gas separation membrane
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