Preparation and characterization of a poly(imide siloxane) and zeolite L mixed matrix membrane

Todd W. Pechar; Sangil Kim; Ben Vaughan; Eva Marand; Vince Baranauskas; Judy Riffle; Hae Kwon Jeong; Michael Tsapatsis

doi:10.1016/j.memsci.2005.10.031

Preparation and characterization of a poly(imide siloxane) and zeolite L mixed matrix membrane

Todd W. Pechar, Sangil Kim, Ben Vaughan, Eva Marand, Vince Baranauskas, Judy Riffle, Hae Kwon Jeong, Michael Tsapatsis

Chemical Engineering and Materials Science

Research output: Contribution to journal › Article › peer-review

79 Scopus citations

Abstract

Mixed matrix membranes based on zeolite LTL dispersed in a glassy polyimide, 6FDA-6FpDA, as well as in block copolymers composed of 6FDA-6FpDA and amine-terminated polydimethylsiloxane (PDMS) were fabricated and characterized for gas transport properties. Pure gas permeability tests were performed using He, O₂, N₂, CH₄ and CO₂ for each membrane. Permeability was shown to increase for all gases as the siloxane content in the copolymer increased. The addition of zeolite L to the polymer matrix lowered the permeability of all gases regardless of the polymer matrix, and did not offer improvements in the ideal selectivity of any gas pair investigated.

Original language	English (US)
Pages (from-to)	210-218
Number of pages	9
Journal	Journal of Membrane Science
Volume	277
Issue number	1-2
DOIs	https://doi.org/10.1016/j.memsci.2005.10.031
State	Published - Jun 1 2006

Bibliographical note

Funding Information:
The authors would like to thank Steve McCartney for his help in preparing the SEM samples. We also gratefully acknowledge the National Science Foundation for financial support of this project with grant No. CTS-0107488.

Keywords

Copolymers
Gas separations
Gas sorption
Mixed matrix membranes
Zeolites

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title = "Preparation and characterization of a poly(imide siloxane) and zeolite L mixed matrix membrane",

abstract = "Mixed matrix membranes based on zeolite LTL dispersed in a glassy polyimide, 6FDA-6FpDA, as well as in block copolymers composed of 6FDA-6FpDA and amine-terminated polydimethylsiloxane (PDMS) were fabricated and characterized for gas transport properties. Pure gas permeability tests were performed using He, O2, N2, CH4 and CO2 for each membrane. Permeability was shown to increase for all gases as the siloxane content in the copolymer increased. The addition of zeolite L to the polymer matrix lowered the permeability of all gases regardless of the polymer matrix, and did not offer improvements in the ideal selectivity of any gas pair investigated.",

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note = "Funding Information: The authors would like to thank Steve McCartney for his help in preparing the SEM samples. We also gratefully acknowledge the National Science Foundation for financial support of this project with grant No. CTS-0107488. ",

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AU - Pechar, Todd W.

AU - Kim, Sangil

AU - Vaughan, Ben

AU - Marand, Eva

AU - Baranauskas, Vince

AU - Riffle, Judy

AU - Jeong, Hae Kwon

AU - Tsapatsis, Michael

N1 - Funding Information: The authors would like to thank Steve McCartney for his help in preparing the SEM samples. We also gratefully acknowledge the National Science Foundation for financial support of this project with grant No. CTS-0107488.

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N2 - Mixed matrix membranes based on zeolite LTL dispersed in a glassy polyimide, 6FDA-6FpDA, as well as in block copolymers composed of 6FDA-6FpDA and amine-terminated polydimethylsiloxane (PDMS) were fabricated and characterized for gas transport properties. Pure gas permeability tests were performed using He, O2, N2, CH4 and CO2 for each membrane. Permeability was shown to increase for all gases as the siloxane content in the copolymer increased. The addition of zeolite L to the polymer matrix lowered the permeability of all gases regardless of the polymer matrix, and did not offer improvements in the ideal selectivity of any gas pair investigated.

AB - Mixed matrix membranes based on zeolite LTL dispersed in a glassy polyimide, 6FDA-6FpDA, as well as in block copolymers composed of 6FDA-6FpDA and amine-terminated polydimethylsiloxane (PDMS) were fabricated and characterized for gas transport properties. Pure gas permeability tests were performed using He, O2, N2, CH4 and CO2 for each membrane. Permeability was shown to increase for all gases as the siloxane content in the copolymer increased. The addition of zeolite L to the polymer matrix lowered the permeability of all gases regardless of the polymer matrix, and did not offer improvements in the ideal selectivity of any gas pair investigated.

KW - Copolymers

KW - Gas separations

KW - Gas sorption

KW - Mixed matrix membranes

KW - Zeolites

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Preparation and characterization of a poly(imide siloxane) and zeolite L mixed matrix membrane

Abstract

Bibliographical note

Keywords

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