Citation: ZHANG Jian, SUN Qiushi, HOU Xiaohuai. THE GAS TRANSPORT BEHAVIOR IN AROMATIC POLYESTER MEMBRANES[J]. Chinese Journal of Polymer Science, ;1996, 14(2): 111-119. shu

THE GAS TRANSPORT BEHAVIOR IN AROMATIC POLYESTER MEMBRANES

Received Date: 4 November 1994

Six aromatic polyesters were prepared for gas separation membranes, and their per-meation properties for hydrogen, oxygen, nitrogen, carbon dioxide, and methane weremeasured at 30℃ and 1 atmosphere by low pressure manometric method. The cor-relation between the gas transport behavior and molecular structure of aromatic polyestermembrane is discussed. These data are interpreted qualitatively in terms of the calculatedpacking density, gas-polymer interaction, concentration of aryl bromine on backbone, and effect of silane group on main chain of polymer.
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