The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 12, 2024
Filed:
Nov. 26, 2020
Applicant:
Wuhan University of Technology, Wuhan, CN;
Inventors:
Xiang Wang, Wuhan, CN;
Danxia Chen, Wuhan, CN;
Yanling Li, Wuhan, CN;
Jun Wang, Wuhan, CN;
Xiaoli Yang, Wuhan, CN;
Huajun Duan, Wuhan, CN;
Assignee:
WUHAN UNIVERSITY OF TECHNOLOGY, Wuhan, CN;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); B01D 67/00 (2006.01); B01D 71/02 (2006.01); B01D 71/64 (2006.01); C08G 85/00 (2006.01); C08K 3/34 (2006.01); H01M 10/0525 (2010.01); H01M 50/403 (2021.01); H01M 50/446 (2021.01);
U.S. Cl.
CPC ...
C08G 73/1082 (2013.01); B01D 67/0011 (2013.01); B01D 71/028 (2013.01); B01D 71/64 (2013.01); C08G 73/1085 (2013.01); C08G 85/004 (2013.01); C08K 3/34 (2013.01); H01M 10/0525 (2013.01); H01M 50/403 (2021.01); H01M 50/446 (2021.01); B01D 2325/02 (2013.01);
Abstract
A preparation method of a zeolite/polyimide composite membrane includes: synthesizing a zeolite-doped polyamic acid precursor casting solution by condensation polymerization synthesis; coating a substrate with the obtained casting solution, and obtaining a zeolite/polyamic acid composite porous membrane by non-solvent induced phase separation; and obtaining the zeolite/polyimide composite membrane by performing thermal imidization on the zeolite/polyamic acid composite porous membrane through gradient heating.