Polyarylate-Poly(ethylene oxide) Block Copolymers for Membrane Separation of Carbon Dioxide from Gas Mixtures

被引：2
|
作者：
Storozhuk, I. P. [1 ]
Pavlukovich, N. G. [1 ]
Korobkina, A., V [2 ]
Kagramanov, G. G. [2 ]
机构：
[1] Russian Acad Sci, Nesmeyanov Inst Organoelement Cpds, Moscow 119991, Russia
[2] Mendeleev Univ Chem Technol Russia, Moscow 125047, Russia
来源：
MEMBRANES AND MEMBRANE TECHNOLOGIES | 2020年 / 2卷 / 02期
关键词：
hollow fiber membranes; carbon dioxide; polyarylate-poly(ethylene oxide) block copolymers; separation factor of CO2/N-2; PERFORMANCE; TRANSPORT;
D O I：
10.1134/S2517751620020043
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Polyarylate-poly(ethylene oxide) block copolymers and their modifications by blocks of poly(propylene oxide) and poly(butylene terephthalate) are synthesized and studied in this work to create polymer materials for dry-wet molding of hollow fiber gas separation membranes selective and resistant to carbon dioxide. The optimum combination of gas separation and mechanical properties, namely, CO2 permeability (6.12 barrer), separation factor of CO2/N-2 = 36, and Young modulus (2700 MPa), is demonstrated by a BCP-10 block copolymer containing 12.5 wt % crystallizable PEO blocks with a molecular weight of 10000 Da and 12.5 wt % amorphous PPO blocks with a molecular weight of 2000 Da.
引用
收藏
页码：71 / 75
页数：5
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