Patent ID: 11970590
Assignee: SIMON FRASER UNIVERSITY
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  H  Y | IPC B  C  H

Claim 17:
18. A method of making a random block copolymer, comprising
forming a mixture of a first polymer of Formula (VI), wherein
R1A, R1B, R1C, R1D, R1E, and R1F are independently aryl or heteroaryl, each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-6 alkyl, halo, nitro, cyano, SO3−X+, PO32−X+2, and COO−X+, wherein X+ is H+ or a cation, and provided that at least two of R1A, R1B, R1C, R1D, R1E, and R1F are independently aryl or heteroaryl substituted with 1, 2, 3, 4, or 5 substituents independently selected from SO3−X+, PO32−X+2, and COO−X+, wherein X+ is H+ or a cation,
R1G and R1H are independently H, aryl, or heteroaryl, wherein said aryl and heteroaryl are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-6 alkyl, halo, nitro, cyano, SO3−X+, PO32−X+2, and COO−X+, wherein X+ is H+ or a cation,
A1 is independently arylene, heteroarylene, aralkylene, or heteroaralkylene, each optionally substituted with 1, 2, 3, or 4 substituents independently selected from halo, nitro, cyano, aryl, and heteroaryl,
A2 is independently absent, arylene, or heteroarylene, wherein said arylene and heteroarylene are each optionally substituted with 1, 2, 3, or 4 substituents independently selected from halo, nitro, cyano, aryl, and heteroaryl,
L1 is independently an optionally substituted linking heteroatom, arylene, heteroarylene, aralkylene, or heteroaralkylene, wherein said arylene, heteroarylene, aralkylene, and heteroaralkylene are each optionally substituted with 1, 2, 3, or 4 substituents independently selected from C1-6 alkyl, halo, nitro, cyano, aryl, and heteroaryl,
L2 is independently absent, arylene, or heteroarylene, wherein said arylene and heteroarylene are each optionally substituted with 1, 2, 3, or 4 substituents independently selected from C1-6 alkyl, halo, nitro, cyano, aryl, and heteroaryl,
L3 is independently absent, arylene, or heteroarylene, wherein said arylene and heteroarylene are each optionally substituted with 1, 2, 3, or 4 substituents independently selected from C1-6 alkyl, halo, nitro, cyano, aryl, and heteroaryl,
n is an integer of from 3 to 100, and
A is a reactive first terminal group; and
a second polymer of Formula (VII), wherein
R3A, R3B, R3C, R3D, R3E, and R3F are independently aryl or heteroaryl, each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-6 alkyl; halo, nitro, and cyano,
R3G and R3H are independently H, aryl, or heteroaryl, wherein said aryl and heteroaryl are each optionally substituted with 1, 2, 3, 4, or 5 substituents independently selected from C1-6 alkyl, halo, nitro, and cyano,
B1 is independently arylene, heteroarylene, aralkylene, or heteroaralkylene, each optionally substituted with 1, 2, 3, or 4 substituents independently selected from halo, nitro, cyano, aryl, and heteroaryl,
B2 is independently absent, arylene, or heteroarylene, wherein said arylene and heteroarylene are each optionally substituted with 1, 2, 3, or 4 substituents independently selected from halo, nitro, cyano, aryl, and heteroaryl,
K1 is independently an optionally substituted linking heteroatom, arylene, heteroarylene, aralkylene, or heteroaralkylene, wherein said arylene, heteroarylene, aralkylene, and heteroaralkylene are each optionally substituted with 1, 2, 3, or 4 substituents independently selected from C1-6 alkyl, halo, nitro, cyano, aryl, and heteroaryl,
K2 is independently absent, arylene, or heteroarylene, wherein said arylene and heteroarylene are each optionally substituted with 1, 2, 3, or 4 substituents independently selected from C1-6 alkyl, halo, nitro, cyano, aryl, and heteroaryl,
K3 is independently absent, arylene, or heteroarylene, wherein said arylene and heteroarylene are each optionally substituted with 1, 2, 3, or 4 substituents independently selected from C1-6 alkyl, halo, nitro, cyano, aryl, and heteroaryl,
m is an integer of from 3 to 100, and
B is a second reactive terminal group configured to react with A; and
reacting A and B to provide a random block copolymer of Formula (VIII), wherein a mole ratio of the first block to the second block ranges from 1:99 to 99:1.