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Highly permeable polymers for gas separation membranes

Budd, Peter M. and McKeown, Neil B. 2010. Highly permeable polymers for gas separation membranes. Polymer Chemistry 1 (1) , pp. 63-68. 10.1039/b9py00319c

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For gas separation membranes, materials are required that offer high permeability as well as good selectivity for a desired separation. For glassy polymers, the gas transport properties depend on the amount and distribution of free volume and on chain mobility. The most highly permeable polymers have rigid, twisted macromolecular backbones that give rise to microvoids. Examples include substituted polyacetylenes, perfluoropolymers, addition-type polynorbornene, polymers of intrinsic microporosity (PIMs) and some polyimides. High permeability membranes may also be produced by thermal rearrangement of precursor polymers.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Subjects: Q Science > QD Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1759-9954
Last Modified: 19 Mar 2016 22:23

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