US 12,318,770 B2
Ionic functionalization of aromatic polymers for ion exchange membranes
Chulsung Bae, Cohoes, NY (US); Eun Joo Park, Troy, NY (US); Sangtaik Noh, Troy, NY (US); and Michael Pagels, Troy, NY (US)
Assigned to Rensselaer Polytechnic Institute, Troy, NY (US)
Filed by Rensselaer Polytechnic Institute, Troy, NY (US)
Filed on Oct. 17, 2023, as Appl. No. 18/381,149.
Application 18/381,149 is a continuation of application No. 17/658,627, filed on Apr. 8, 2022, granted, now 11,826,746.
Application 17/658,627 is a continuation of application No. 16/842,037, filed on Apr. 7, 2020, abandoned.
Application 16/842,037 is a continuation in part of application No. 16/628,879, abandoned, previously published as PCT/US2018/040898, filed on Jul. 5, 2018.
Claims priority of provisional application 62/652,037, filed on Apr. 3, 2018.
Claims priority of provisional application 62/652,063, filed on Apr. 3, 2018.
Claims priority of provisional application 62/647,930, filed on Mar. 26, 2018.
Claims priority of provisional application 62/529,078, filed on Jul. 6, 2017.
Claims priority of provisional application 62/832,087, filed on Apr. 10, 2019.
Claims priority of provisional application 62/830,928, filed on Apr. 8, 2019.
Prior Publication US 2024/0157353 A1, May 16, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B01J 39/20 (2006.01); B01J 41/14 (2006.01); C08J 5/22 (2006.01); H01M 8/1032 (2016.01); H01M 8/1072 (2016.01); H01M 8/10 (2016.01)
CPC B01J 41/14 (2013.01) [B01J 39/20 (2013.01); C08J 5/2287 (2013.01); H01M 8/1032 (2013.01); H01M 8/1072 (2013.01); C08J 2353/00 (2013.01); H01M 2008/1095 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A polymer according to formula IV:

OG Complex Work Unit Chemistry
wherein Ar includes:

OG Complex Work Unit Chemistry
or combinations thereof;
Z is selected from the group consisting of O, S, CH2, and C6H4;
R is an alkyl;
FG comprises a moiety selected from the group consisting of an alkyl, an aryl, OH, a sulfonate, a phosphonate, and a quaternary ammonium group, wherein at least one FG comprises an ionic moiety;
EW comprises a moiety selected from the group consisting of an electron-withdrawing group, CF3, a nitrile, a pyridine, a heterocyclic amine, —C═O, and an amide;
x is from 1 to 20;
n and m are each independently from 100 to 1,000,000.