Ionic polyimide materials and methods of use
AssigneeThe Board of Trustees of The University of Alabama
InventorsJason Edward Bara, Matthew S. Shannon, John David Roveda, Jr., David A. Wallace, Max Simon Mittenthal
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Abstract
Disclosed are compositions and methods of preparing ionic polyimides. Also disclosed are methods to tune the properties of the ionic polyimide by designing the components of the ionic polyimide. Additionally, disclosed herein is a composition comprising an ionic polyimide. Also disclosed herein is a composition comprising an ionic polyimide and an ionic liquid. The disclosed compositions can be utilized to capture gases.
Claims27
A composition, comprising an ionic polyimide having the formula:
- wherein,
- Y is selected from the group consisting of null, hydrogen, halogen, hydroxyl, carbonyl, O, S, SO2, cyano, C(CF3)2, substituted or unsubstituted C1-20 alkyl, substituted or unsubstituted C2-20 alkenyl, substituted or unsubstituted C2-20 alkynyl, substituted or unsubstituted C1-20 heteroalkyl, substituted or unsubstituted C2-20 heteroalkenyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted aryl, and substituted or unsubstituted heteroaryl;
- Z is selected from the group consisting of CH, CH2, carbonyl, O, S, SO2, cyano, C(CF3)2, substituted or unsubstituted C1-20 alkyl, substituted or unsubstituted C2-20 alkenyl, substituted or unsubstituted C2-20 alkynyl, substituted or unsubstituted C1-20 heteroalkyl, substituted or unsubstituted C2-20 heteroalkenyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted aryl, and substituted or unsubstituted heteroaryl;
- L1 and L2 are selected from the group consisting of branched and unbranched alkyl, alkenyl, and alkynyl groups having 1 to 12 carbon atoms, substituted or unsubstituted aryl, and substituted or unsubstituted heteroaryl, and mixture thereof;
- Q is an ionized heteroaryl;
- A is an anion;
- and
- n is an integer from 1 to 100,000.
A method for capturing carbon dioxide from a gas stream, comprising:
- feeding the gas stream through a membrane, wherein the membrane comprises an ionic polyimide having the following structure:
- wherein,
- Y is selected from the group consisting of null, hydrogen, halogen, hydroxyl, carbonyl, O, S, SO2, cyano, C(CF3)2, substituted or unsubstituted C1-20 alkyl, substituted or unsubstituted C2-20 alkenyl, substituted or unsubstituted C2-20 alkynyl, substituted or unsubstituted C1-20 heteroalkyl, substituted or unsubstituted C2-20 heteroalkenyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted aryl, substituted or unsubstituted triptycene, and substituted or unsubstituted heteroaryl;
- Z is selected from the group consisting of CH, CH2, carbonyl, O, S, SO2, cyano, C(CF3)2, substituted or unsubstituted C1-20 alkyl, substituted or unsubstituted C2-20 alkenyl, substituted or unsubstituted C2-20 alkynyl, substituted or unsubstituted C1-20 heteroalkyl, substituted or unsubstituted C2-20 heteroalkenyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted heterocycloalkyl, substituted or unsubstituted aryl, substituted or unsubstituted triptycene, and substituted or unsubstituted heteroaryl;
- L1 and L2 are selected from the group consisting of branched and unbranched alkyl, alkenyl, and alkynyl groups having 1 to 12 carbon atoms, substituted or unsubstituted aryl, and substituted or unsubstituted heteroaryl, and mixture thereof;
- Q is an ionized heteroaryl;
- A is an anion;
- and
- n is an integer from 1 to 100,000.
Dependencies are inferred from the claim text.