US 12,460,045 B2
Ionic polymers containing spiro structure and preparation method and application thereof
Haibing Wei, Hefei (CN); Tao Jiang, Hefei (CN); Tao Wang, Hefei (CN); Yu Zhao, Hefei (CN); Xueliang Li, Hefei (CN); Shanzhong Yang, Hefei (CN); and Yunsheng Ding, Hefei (CN)
Assigned to HEFEI UNIVERSITY OF TECHNOLOGY, Hefei (CN)
Filed by HEFEI UNIVERSITY OF TECHNOLOGY, Hefei (CN)
Filed on May 2, 2024, as Appl. No. 18/652,820.
Claims priority of application No. 202310566018.7 (CN), filed on May 19, 2023.
Prior Publication US 2024/0392061 A1, Nov. 28, 2024
Int. Cl. C08G 61/12 (2006.01); C08G 61/02 (2006.01); C08J 5/22 (2006.01); H01M 8/103 (2016.01); H01M 8/1058 (2016.01); H01M 8/1081 (2016.01)
CPC C08G 61/12 (2013.01) [C08G 61/02 (2013.01); C08J 5/2218 (2013.01); H01M 8/103 (2013.01); H01M 8/1058 (2013.01); H01M 8/1081 (2013.01); C08G 2261/143 (2013.01); H01M 2300/0014 (2013.01)] 8 Claims
OG exemplary drawing
 
1. An ionic polymer containing a spiro structure, having a structure as shown in Formula I:

OG Complex Work Unit Chemistry
wherein m in Formula I determines the size of the spiro, and m is independently an integer between 2 and 4;
x in Formula I is any number between 0.01 and 1.00, y and z are each independently any number between 0 and 0.99, x+y+z=1, and when z is 0, R2 contains at least a cationic group;
n in Formula I represents a degree of polymerization, and n is an integer between 10 and 1,000,000;
each R1 in Formula I is:

OG Complex Work Unit Chemistry
p being an integer between 1 and 15;
each R2 in Formula I is independently selected from a hydrogen atom or a cationic group, in which case the ionic polymer of the structure shown in Formula I is a cationic polymer containing a spiro structure, and a counter ion is an anion; wherein R2 is selected from one or more of the following structures:

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and when z=0, R2 in x and y units cannot simultaneously be a hydrogen atom; R01, R02, R03, R04, and R05 are each independently selected from a hydrocarbyl with the carbon atom number of 1 to 10; a counter anion A− is selected from a halide ion, a hydroxide ion, or a bicarbonate ion; when the polymer of the structure shown in Formula I is the cationic polymer containing the spiro structure, R4 in —Ar2— fragment is a quaternary ammonium cationic group if z is not 0;
each R3 in Formula I is independently selected from one or more of the following structures:

OG Complex Work Unit Chemistry
each —Ar1— fragment in Formula I is independently selected from one or more of the following structures:

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the —Ar2— fragment in Formula I is the following structure with ionic groups:

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each R′ being independently selected from the alkylene or arylene groups with the carbon atom number of 1 to 15; R4 being a cationic group from one or more of the following structures:

OG Complex Work Unit Chemistry
R01, R02, R03, R04, and R05 being each independently selected from a hydrocarbyl with the carbon atom number of 1 to 10; a counter ion A− being selected from a halide ion, a hydroxide ion, or a bicarbonate ion.