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Issue 1, 2010
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Highly permeable polymers for gas separation membranes

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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.

Graphical abstract: Highly permeable polymers for gas separation membranes

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The article was received on 26 Oct 2009, accepted on 16 Nov 2009 and first published on 04 Jan 2010

Article type: Review Article
DOI: 10.1039/B9PY00319C
Citation: Polym. Chem., 2010,1, 63-68
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    Highly permeable polymers for gas separation membranes

    P. M. Budd and N. B. McKeown, Polym. Chem., 2010, 1, 63
    DOI: 10.1039/B9PY00319C

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