Patent ID: 11879033
Assignee: GEORGIA TECH RESEARCH CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC C  H  B  Y | IPC B  C  H

Claim 9:
10. An anion exchange membrane comprising a random polymer having:
a) one or more first repeating unit of formula (IA) derived from a monomer of formula (I):, wherein:
 represents a position at which the bonding takes place with another repeat unit;
Y and Y′ are the same or different and independently of each other selected from the group consisting of —CH2—, —CH2—CH2— and —O—;
m is an integer from 0 to 3;
at least one of R1, R2, R3 and R4 is a group of the formula R—X,
where R is selected from the group consisting of (C1-C10)alkylene, (C3-C8)cycloalkylene, (C1-C10)alkylene(C3-C8)cycloalkylene, (C1-C10)alkylene(C3-C8)cycloalkylene(C1-C10)alkylene, (C1-C10)alkylene(C6-C10)arylene and (C1-C10)alkylene(C6-C10)arylene(C1-C10)alkylene; and
X is a group of the formula N(R5)(R6)(R7)⊕OH⊖, where at least one of R5, R6 and R7 is selected from the group consisting of:
(C1-C10)alkyleneN(R5′)(R6′), (C3-C8)cycloalkyleneN(R5′)(R6′), (C1-C10)alkylene(C3-C8)cycloalkyleneN(R5′)(R6′), (C1-C10)alkylene(C3-C8)cycloalkylene(C1-C10)alkyleneN(R5′)(R6′), (C1-C10)alkylene(C6-C10)aryleneN(R5′)(R6′) and (C1-C10)alkylene(C6-C10)arylene(C1-C10)alkyleneN(R5′)(R6′);
R5′ and R6′ are the same or different and independently of each other selected from the group consisting of linear or branched (C1-C10)alkyl, (C3-C8)cycloalkyl, (C1-C10)alkyl(C3-C8)cycloalkyl and (C1-C10)alkyl(C6-C10)aryl;
the remaining R5, R6 and R7 are the same or different and independently of each other selected from the group consisting of linear or branched (C1-C10)alkyl, (C3-C8)cycloalkyl, (C1-C10)alkyl(C3-C8)cycloalkyl and (C1-C10)alkyl(C6-C10)aryl; and
the remaining R1, R2, R3 and R4 are independently of each other selected from the group consisting of hydrogen, linear or branched (C1-C10)alkyl, (C3-C8)cycloalkyl, (C1-C10)alkyl(C3-C8)cycloalkyl and (C1-C10)alkyl(C6-C10)aryl;
b) one or more second repeating unit of formula (IIA) derived from a monomer of formula (II):, wherein:
 represents a position at which the bonding takes place with another repeat unit;
Z and Z′ are the same or different and independently of each other selected from the group consisting of —CH2—, —CH2—CH2— and —O—;
n is an integer from 0 to 3; and
R8, R9, R10 and R11 are the same or different and independently of each other selected from the group consisting of hydrogen, linear or branched (C1-C10)alkyl, (C3-C8)cycloalkyl, (C1-C10)alkyl(C3-C8)cycloalkyl and (C1-C10)alkyl(C6-C10)aryl; and
wherein the first repeat unit is crosslinked with another first repeat unit on the same or different polymer chains such that the polymer is having a crosslinking of at least two percent between the repeat units and exhibits ion conductivity of at least 150 mS/cm at 80° C.