Title:
CARBON DIOXIDE ISOLATOR, METHOD FOR ISOLATING OR RECOVERING CARBON DIOXIDE, AND METHOD FOR PRODUCING CARBON DIOXIDE ISOLATOR
Document Type and Number:
WIPO Patent Application WO/2023/182173
Kind Code:
A1
Abstract:
This carbon dioxide isolator includes polyamine. The polyamine includes a propyl polyamine component having a hydrogen atom or a functional group that bonds to a nitrogen atom and having three or more propyl groups which bond to respective nitrogen atoms within a molecule. At least one of the propyl groups is a hydroxypropyl group having a hydroxy group, and the hydroxypropyl group bonds to a nitrogen atom that constitutes a tertiary amine. The hydroxy group bonds to a secondary carbon atom. At least two of the propyl groups are unsubstituted isopropyl groups which do not have a hydroxy group.
Inventors:
VU THI QUYEN (JP)
CHOWDHURY FIROZ ALAM (JP)
YOGO KATSUNORI (JP)
MURAOKA TOSHINORI (JP)
CHOWDHURY FIROZ ALAM (JP)
YOGO KATSUNORI (JP)
MURAOKA TOSHINORI (JP)
Application Number:
PCT/JP2023/010423
Publication Date:
September 28, 2023
Filing Date:
March 16, 2023
Export Citation:
Assignee:
RESEARCH INSTITUTE OF INNOVATIVE TECH FOR THE EARTH (JP)
International Classes:
B01J20/22; B01D53/14; B01J2/28; B01J20/32; B01J20/34; C01B32/50; C07C215/14
Domestic Patent References:
| WO2014208712A1 | 2014-12-31 |
Foreign References:
| JP2022007403A | 2022-01-13 |
Attorney, Agent or Firm:
KAWASAKI & PARTNERS (JP)
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