Patent ID: 11889746
Assignee: LG CHEM, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 10:
11. A method for preparing the polymer according to claim 1, the method comprising:
dissolving a first monomer of the following Formula A, a second monomer of the following Formula B, and an initiator in a solvent, and then performing a living radical polymerization:, in Formulae A and B,
L1, L2, and L4 to L6 are the same as or different from each other, and each independently a direct bond; —O—; a substituted or unsubstituted alkylene group; a substituted or unsubstituted arylene group; a substituted or unsubstituted divalent amine group; or a substituted or unsubstituted divalent heterocyclic group,
L3 is a substituted or unsubstituted divalent carbazole group; a substituted or unsubstituted divalent fluorenyl group; or a substituted or unsubstituted phenylene group,
a1, a2, and a3 are the same as or different from each other, and each independently an integer from 1 to 10,
when a1 is 2 or higher, each L1 is the same as or different from each other,
when a2 is 2 or higher, each L2 is the same as or different from each other,
when a3 is 2 or higher, each L4 is the same as or different from each other,
Ar1 to Ar4 are the same as or different from each other, and each independently a substituted or unsubstituted alkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryloxy group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted heterocyclic group,
R1 to R5 are the same as or different from each other, and each independently deuterium; a halogen group; a hydroxyl group; a cyano group; a substituted or unsubstituted alkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted alkoxy group; a substituted or unsubstituted aryl group; or a substituted or unsubstituted heterocyclic group,
r1, r2, and r4 are the same as or different from each other, and each independently an integer from 1 to 4,
r3 and r5 are the same as or different from each other, and each independently an integer from 1 to 3,
when r1 is 2 or higher, each R1 is the same as or different from each other, and
when r2 is 2 or higher, each R2 is the same as or different from each other,
when r3 is 2 or higher, each R3 is the same as or different from each other,
when r4 is 2 or higher, each R4 is the same as or different from each other, and
when r5 is 2 or higher, each R5 is the same as or different from each other.