Permeation of dissolved carbon dioxide in synthetic membranes

Tsutomu Nakagawa, Atsuko Naruse, Akon Hicuchl

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)

摘要

Permeability coefficients of dissolved carbon dioxide in poly(dimethyl siloxane), plasmatreated poly(dimethyl siloxane) membranes, and other membranes were measured by applying a carbon dioxide electrode in a liquid to liquid diffusion cell. The apparent permeability coefficients of carbon dioxide polystyrene, low density polyethylene, and nylon membranes in a liquid phase were observed to be higher than those in a gas phase due to a plasticizing effect of water molecules in the membranes. Boundary layer's resistance was estimated for plasma‐treated and nontreated poly(dimethyl siloxane) membranes. The plasma treatment (10 W for 1 min in this study) which makes hydrophilic surfaces without change of bulk polymer properties was found to be effective to decrease the boundary layer's thickness and to increase the apparent permeability coefficient in the liquid phase.

原文???core.languages.en_GB???
頁(從 - 到)383-389
頁數7
期刊Journal of Applied Polymer Science
42
發行號2
DOIs
出版狀態已出版 - 20 1月 1991

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