Patent ID: 11926706
Assignee: LG CHEM, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  G | IPC C

Claim 2:
3. The diamine compound according to claim 1, wherein L in the formula 1 is phenyl which is unsubstituted or substituted with one or more substituents selected from the group consisting of trifluoromethyl, methyl, chlorine (Cl) and methoxy; biphenyl which is unsubstituted or substituted with one or more substituents selected from the group consisting of methyl, trifluoromethyl and chlorine (Cl); terphenyl which is unsubstituted or substituted with trifluoromethyl; bis(trifluoromethylphenyl)sulfone, bis(methylphenyl)sulfone, {(trifluoromethylphenyl)sulfonyl}phenyl, diphenylsulfide, bis(methylphenyl)sulfide, bis(trifluoromethylphenyl)sulfide or diphenyl ether,
Ar1 and Ar2 are each independently phenyl which is unsubstituted or substituted with one or more substituents selected from the group consisting of methyl, trifluoromethyl and chlorine (Cl),
l is an integer of 0 to 2, and
m, n, o, p, q, r, s and t are each an integer of 0 or 1.