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Ion Beam Modification of Matrimid® Gas Separation Membrane—Evolution in Chemical Structure, Microstructure and Gas Permeation Properties

Published online by Cambridge University Press:  11 February 2011

Xinglong Xu ,
Ling Hu  and
Maria Coleman
Xinglong Xu
Affiliation:
Univ. of Toledo, Dept. of Chemical & Environmental Engineering, Toledo, Ohio
Ling Hu
Affiliation:
Univ. of Toledo, Dept. of Chemical & Environmental Engineering, Toledo, Ohio
Maria Coleman
Affiliation:
Univ. of Toledo, Dept. of Chemical & Environmental Engineering, Toledo, Ohio
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Abstract

Matrimid® is a widely used polyimide that has both attractive thermal and gas transport properties. In addition, it has been used as a precursor polymer for production of carbon molecular sieving membranes with commercially interesting gas separations. Ion beam irradiation over a wide range of doses was used to modify a series of Matrimid® membranes. A combined analysis of impact of ion irradiation on the chemical structure, microstructure and gas transport properties of Matrimid® will be presented. Specifically, the evolution in gas permeation properties following irradiation over a wide range of doses will be discussed. Ion irradiation resulted in combined increased permeability and permselectivity for several gas pairs of interest.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 752: Symposium AA – Membranes–Preparation, Properties and Applications , 2002 , AA8.13
Copyright
Copyright © Materials Research Society 2003

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References

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