Polymeric media comprising polybenzimidazoles N-substituted with organic-inorganic hybrid moiety

Klaehn, John R; Peterson, Eric S; Wertsching, Alan K; Orme, Christopher J; Luther, Thomas A; Jones, Michael G

Polymeric media comprising polybenzimidazoles N-substituted with organic-inorganic hybrid moiety

Patent · Mon Dec 14 23:00:00 EST 2009

OSTI ID:1013555

Klaehn, John R ^[1]; Peterson, Eric S ^[1]; Wertsching, Alan K ^[1]; Orme, Christopher J ^[2]; Luther, Thomas A ^[1]; Jones, Michael G ^[3]

Idaho Falls, ID
Shelley, ID
Pocatello, ID

A PBI compound includes imidazole nitrogens at least a portion of which are substituted with an organic-inorganic hybrid moiety may be included in a separator medium. At least 85% of the imidazole nitrogens may be substituted. The organic-inorganic hybrid moiety may be an organosilane moiety, for example, (R)Me.sub.2SiCH.sub.2-- where R is selected from among methyl, phenyl, vinyl, and allyl. The separatory medium may exhibit an H.sub.2, Ar, N.sub.2, O.sub.2, CH.sub.3, or CO.sub.2 gas permeability greater than the gas permeability of a comparable separatory medium comprising the PBI compound without substitution. The separatory medium may further include an electronically conductive medium and/or ionically conductive medium. The separatory medium may be used as a membrane (semi-permeable, permeable, and non-permeable), a barrier, an ion exhcange media, a filter, a gas chromatography coating (such as stationary phase coating in affinity chromatography), etc.

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Research Organization:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC07-99ID13727

Assignee:: Battelle Energy Alliance, LLC (Idaho Falls, ID)

Patent Number(s):: 7,632,898

Application Number:: 11/772,872

OSTI ID:: 1013555

Country of Publication:: United States

Language:: English

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