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:
Jan. 05, 2021
Filed:
Jul. 17, 2018
Applicant:
National University of Singapore, Singapore, SG;
Inventors:
Canzeng Liang, Singapore, SG;
Tai-Shung Chung, Singapore, SG;
Assignee:
National University of Singapore, Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 71/70 (2006.01); B01D 69/12 (2006.01); B01D 53/22 (2006.01); B01D 69/08 (2006.01); B01D 69/02 (2006.01); B01D 67/00 (2006.01);
U.S. Cl.
CPC ...
B01D 71/70 (2013.01); B01D 53/228 (2013.01); B01D 69/02 (2013.01); B01D 69/08 (2013.01); B01D 69/125 (2013.01); B01D 67/0009 (2013.01); B01D 67/0011 (2013.01); B01D 69/12 (2013.01); B01D 2053/224 (2013.01); B01D 2256/10 (2013.01); B01D 2257/504 (2013.01); B01D 2257/7022 (2013.01); B01D 2323/30 (2013.01); B01D 2325/34 (2013.01);
Abstract
There is provided a composite hollow fiber membrane for gas and vapour separation comprising: a porous membrane substrate; and a selective layer of cross-linked polydimethylsiloxane (PDMS) provided on a surface of the porous membrane substrate, wherein the molecular weight of the cross-linked PDMS is ≥100 kg/mol. There is also provided a method of forming the composite hollow fiber membrane, and a method of forming the cross-linked polydimethylsiloxane (PDMS) having a molecular weight ≥100 kg/mol.