<正> 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
andeffect of silane group on main chain of polymer.
Abstract
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
andeffect of silane group on main chain of polymer.
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