SELECTIVE PERMEATION OF CARBON-DIOXIDE OVER NITROGEN THROUGH POLYETHYLENEOXIDE-CONTAINING POLYIMIDE MEMBRANES

被引：49

作者：

OKAMOTO, K

UMEO, N

OKAMYO, S

TANAKA, K

KITA, H

机构：

来源：

CHEMISTRY LETTERS | 1993年 / 02期

关键词：

D O I：

10.1246/cl.1993.225

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Polyethyleneoxide(PEO)-containing copolyimides having microphase separated structure have high permeability to CO2 and high permselectivity for CO2 over N2. The permeation occurs through soft segment phase of PEO and the high permselectivity is ascribed to high solubility selectivity.

引用

页码：225 / 228

页数：4

共 7 条

[1]

HAWANG ST, 1974, SEPAR SCI, V9, P461

[2] GAS PERMEABILITIES OF CELLULOSE NITRATE POLY(ETHYLENE GLYCOL) BLEND MEMBRANES [J].