US 11,702,490 B2
Polymer, ion-exchange membrane, and structure-enhanced membrane employing the same
Hsuan-Wei Lee, Zhudong Township (TW); Cheng-Hsiu Tsai, Hsinchu (TW); Chiu-Tung Wang, Tianwei Township (TW); Li-Duan Tsai, Hsinchu (TW); and Tzu-Ying Chen, Tainan (TW)
Assigned to INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu (TW)
Filed by INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu (TW)
Filed on Nov. 21, 2019, as Appl. No. 16/690,642.
Claims priority of application No. 108125799 (TW), filed on Jul. 22, 2019.
Prior Publication US 2021/0024672 A1, Jan. 28, 2021
Int. Cl. C08F 212/08 (2006.01); C08L 73/02 (2006.01); C08L 79/08 (2006.01); C08K 5/00 (2006.01); B01D 15/36 (2006.01); B01J 39/19 (2017.01)
CPC C08F 212/08 (2013.01) [C08K 5/0025 (2013.01); C08L 73/02 (2013.01); C08L 79/08 (2013.01); B01D 15/361 (2013.01); B01J 39/19 (2017.01); C08L 2312/00 (2013.01)] 4 Claims
 
1. A crosslinked polymer having a structure represented by

OG Complex Work Unit Chemistry
. . . formula (VTI);
wherein units in formula (VII) are arranged in an alternating fashion, in a random fashion, or in discrete blocks;
a is an integer from 0 to 5;
R1 is a C1-C8 alkyl group, a C3-C8 cycloalkyl group, a C1-C8 alkoxyl group, or a C1-C8 alkoxyalkyl group;
R2 is a C6-C16 arylene group, a C1-C8 alkylene group, a C3-C8 cycloalkylene group, or a C1-C8 alkoxyalkylene group;
A− is —SO3−, —NO3−, or —COO−;
R+ is H+, Li+, Na+, K+, or NH4+;
m:n is from 99:1 to 70:30;
n:o′ is from 2:1 to 3:7;
n:p is from 6:4 to 4:6;
m:n′ is from 99:1 to 70:30;
n′:o″ is from 2:1 to 3:7;
n′:p′ is from 6:4 to 4:6;
m:n″ is from 99:1 to 70:30;
n″:p″ is from 6:4 to 4:6;
R4 is

OG Complex Work Unit Chemistry
wherein f+h+i is 5 to 10 and g is 0 or 1; and
R5 is independently H or a C1-C4 alkyl group.