POLYMERIC ION CONDUCTOR WITH IMPROVED THERMAL CHARACTERISTICS

摘要

The present disclosure provides polymers comprising at least one repeat unit represented by any one of structural formulas (IA)-(IE) disclosed herein, for example:;;Values for the variables are as disclosed herein. The polymers provided can be employed as ion conductors, for example in fuel cells, and have improved thermal characteristics.

主权项

1. A polymer comprising at least one repeat unit represented by any one of structural formulas (IA)-(IE): wherein: n is, for each occurrence independently, 0, 1, 2, 3, or 4; m is, for each occurrence independently, 0, 1, 2, or 3; X1 and X2 are, each independently, —O—, —S—, or —(NR7)—; each instance of R1 is independently selected from R6—COOH, R6—SO2H, R6—SO3H, R6—PO2H2, R6—PO3H2, —P(O)(OR4)2, —S(O2)(OR5), a C1-C20 alkyl, a C2-C20 alkenyl, a C2-C20 alkynyl, a C3-C20 cycloalkyl, a 5-20 atom heterocyclyl, a C6-C20 aryl, a 5-20 atom heteroaryl, a C1-C20 alkoxy, a C6-C20 aryloxy, a C1-C20 alkylthio, a C6-C20 arylthio, a C1-C20 sulfone, —(NR8R9)—, a halo, hydroxyl, —CN, nitro, or a C1-C20 acyl; R2 is R6—COOH, R6—SO2H, R6—SO3H, R6—PO2H2, R6—PO3H2, —P(O)(OR4)2, —S(O2)(OR5), a C1-C20 alkyl, a C2-C20 alkenyl, a C2-C20 alkynyl, a C3-C20 cycloalkyl, a 5-20 atom heterocyclyl, a C6-C20 aryl, a 5-20 atom heteroaryl, a C1-C20 alkoxy, a C6-C20 aryloxy, a C1-C20 alkylthio, a C6-C20 arylthio, a C1-C20 sulfone, —(NR8R9)—, a halo, hydroxyl, —CN, nitro, or a C1-C20 acyl; each instance of R3 is independently selected from R6—COOH, R6—SO2H, R6—SO3H, R6—PO2H2, R6—PO3H2, —P(O)(OR4)2, —S(O2)(OR5), a C1-C20 alkyl, a C2-C20 alkenyl, a C2-C20 alkynyl, a C3-C20 cycloalkyl, a 5-20 atom heterocyclyl, a C6-C20 aryl, a 5-20 atom heteroaryl, a C1-C20 alkoxy, a C6-C20 aryloxy, a C1-C20 alkylthio, a C6-C20 arylthio, a C1-C20 sulfone, —(NR8R9)—, a halo, hydroxyl, —CN, nitro, or a C1-C20 acyl; each R4 is, independently, a C1-C6 alkyl, a C2-C6 alkenyl, a C2-C6 alkynyl, or a C3-C6 cycloalkyl; each R5 is, independently, a C1-C6 alkyl, a C2-C6 alkenyl, a C2-C6 alkynyl, or a C3-C6 cycloalkyl; each R6 is, independently, a single bond, a C1-C6 alkyl, a C2-C6 alkenyl, a C2-C6 alkynyl, a C1-C6 alkoxy, or a C3-C6 cycloalkyl; each R7, R8, and R9 is, independently, are H, a C1-C20 alkyl, a C6-C20 aryl, a 5-20 atom heteroaryl, a C1-C20 acyl, or sulfonyl; and wherein at least one instance of R1, R2, or R3 is R6—COOH, R6—SO2H, R6—SO3H, R6—PO2H2, or R6—PO3H2.