NOVEL POROUS POLYMER COMPOSITIONS FOR THE SYNTHESIS OF MONOLITHIC BIMODAL MICROPOROUS/MACROPOROUS CARBON COMPOSITIONS USEFUL FOR SELECTIVE CO2 SEQUESTRATION
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United States of America Patent
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Issued Date -
Jan 23, 2025
app pub date -
Sep 29, 2024
filing date -
Sep 29, 2024
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Abstract
The present invention discloses novel porous polymeric compositions comprising random copolymers of amides, imides, ureas, and carbamic-anhydrides, useful for the synthesis of monolithic bimodal microporous/macroporous carbon aerogels. It also discloses methods for producing said microporous/macroporous carbon aerogels by the reaction of a polyisocyanate compound and a polycarboxylic acid compound, followed by pyrolytic carbonization, and by reactive etching with CO2 at elevated temperatures. Also disclosed are methods for using the microporous/macroporous carbon aerogels in the selective capture and sequestration of carbon dioxide.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- C10L:FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYN....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- B01D:SEPARATION
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