Polybenzimidazole compounds
Abstract
A PBI compound includes imidazole nitrogens at least a portion of which are substituted with a moiety containing a carbonyl group, the substituted imidazole nitrogens being bonded to carbon of the carbonyl group. At least 85% of the nitrogens may be substituted. The carbonyl-containing moiety may include RCO--, where R is alkoxy or haloalkyl. The PBI compound may exhibit a first temperature marking an onset of weight loss corresponding to reversion of the substituted PBI that is less than a second temperature marking an onset of decomposition of an otherwise identical PBI compound without the substituted moiety. The PBI compound may be included in separatory media. A substituted PBI synthesis method may include providing a parent PBI in a less than 5 wt % solvent solution. Substituting may use more than 5 equivalents in relation to the imidazole nitrogens to be substituted.
- Inventors:
-
- Idaho Falls, ID
- Shelley, ID
- Chubbuck, ID
- Issue Date:
- Research Org.:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1032876
- Patent Number(s):
- 8063174
- Application Number:
- 11/933,604
- Assignee:
- Battelle Energy Alliance, LLC (Idaho Falls, ID)
- Patent Classifications (CPCs):
-
C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08F - MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- DOE Contract Number:
- AC07-99ID13727; AC07-051D14517
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Citation Formats
Klaehn, John R, Peterson, Eric S, Orme, Christopher J, Jones, Michael G, Wertsching, Alan K, Luther, Thomas A, and Trowbridge, Tammy L. Polybenzimidazole compounds. United States: N. p., 2011.
Web.
Klaehn, John R, Peterson, Eric S, Orme, Christopher J, Jones, Michael G, Wertsching, Alan K, Luther, Thomas A, & Trowbridge, Tammy L. Polybenzimidazole compounds. United States.
Klaehn, John R, Peterson, Eric S, Orme, Christopher J, Jones, Michael G, Wertsching, Alan K, Luther, Thomas A, and Trowbridge, Tammy L. Tue .
"Polybenzimidazole compounds". United States. https://www.osti.gov/servlets/purl/1032876.
@article{osti_1032876,
title = {Polybenzimidazole compounds},
author = {Klaehn, John R and Peterson, Eric S and Orme, Christopher J and Jones, Michael G and Wertsching, Alan K and Luther, Thomas A and Trowbridge, Tammy L},
abstractNote = {A PBI compound includes imidazole nitrogens at least a portion of which are substituted with a moiety containing a carbonyl group, the substituted imidazole nitrogens being bonded to carbon of the carbonyl group. At least 85% of the nitrogens may be substituted. The carbonyl-containing moiety may include RCO--, where R is alkoxy or haloalkyl. The PBI compound may exhibit a first temperature marking an onset of weight loss corresponding to reversion of the substituted PBI that is less than a second temperature marking an onset of decomposition of an otherwise identical PBI compound without the substituted moiety. The PBI compound may be included in separatory media. A substituted PBI synthesis method may include providing a parent PBI in a less than 5 wt % solvent solution. Substituting may use more than 5 equivalents in relation to the imidazole nitrogens to be substituted.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Nov 22 00:00:00 EST 2011},
month = {Tue Nov 22 00:00:00 EST 2011}
}
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