“Directional” membrane permeability in polymer–vapor systems
作者:
J. H. Petropoulos,
期刊:
Journal of Polymer Science: Polymer Physics Edition
(WILEY Available online 1974)
卷期:
Volume 12,
issue 1
页码: 35-49
ISSN:0098-1273
年代: 1974
DOI:10.1002/pol.1974.180120104
出版商: John Wiley&Sons, Inc.
数据来源: WILEY
摘要:
AbstractA theoretical study is presented of the dependence of the vapor permeability of suitable nonhomogeneous polymer membranes on the sense of flow This is based on a simple model of a binary membrane in which the component phases A, B are either intimately mixed, with the composition of the mixture varying continuously across the membrane, or formed into a laminate AB. The influence of various parameters (which represent either properties of the component phases or the experimental conditions) on the magnitude of these flow reversal effects has been investigated. The results have proved useful as an indication of the capability of such membrane valves and of the conditions for optimum performance, as well as for the understanding of the behavior of experimental systems.
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