| 主权项 |
1. A poly(amide-imide) block copolymer, comprising:
a first segment comprising a structural unit represented by the following Chemical Formula 1B, a structural unit represented by the following Chemical Formula 1C, or a combination thereof,wherein, in Chemical Formula 1B,
Rb is selected from the group consisting of R2 is selected from the group consisting of: R3 and R4 are the same or different and are each independently a halogen, a hydroxyl group, an alkoxy group of the formula —OR200 wherein R200 is a C1 to C10 aliphatic organic group, a silyl group of the formula —SiR201R202R203 wherein R201, R202, and R203 are the same or different and are each independently hydrogen or a C1 to C10 aliphatic organic group, a C1 to C10 aliphatic organic group, or a C6 to C20 aromatic organic group, and n1 and n2 are each independently an integer ranging from 0 to 4,wherein, in Chemical Formula 1C,
R5 is the same as R2 as defined above, R6 and R7 are each a C1 to C2 haloalkyl group, R8 and R9 are the same or different and are each independently a halogen, a hydroxyl group, an alkoxy group of the formula —OR204 wherein R204 is a C1 to C10 aliphatic organic group, a silyl group of the formula —SiR205R206R207 wherein R205, R206, and R207 are the same or different and are each independently hydrogen or a C1 to C10 aliphatic organic group, a C1 to C10 aliphatic organic group, or a C6 to C20 aromatic organic group, n3 is an integer ranging from 1 to 4, n5 is an integer ranging from 0 to 3, and the sum of n3 and n5 is an integer ranging from 1 to 4, and n4 is an integer ranging from 1 to 4, n6 is an integer ranging from 0 to 3, and the sum of n4 and n6 is an integer ranging from 1 to 4;and a second segment including a structural unit represented by the following Chemical Formula 5,wherein, in Chemical Formula 5,
R11 is a C3 to C30 aliphatic organic group, a C3 to C30 alicyclic organic group, a substituted or unsubstituted C6 to C30 aromatic organic group wherein the aromatic organic group is present singularly or at least two are linked to provide a condensed cycle or at least two are linked by a single bond, or by a functional group selected from the group consisting of a C13 to C20 fluorenylene group, —C(═O)—, —S(═O)2—, —Si(CH3)2—, —(CF2)q— wherein 1≦q≦10, —C(CH3)2—, —C(CF3)2—, and —C(═O)NH—, and wherein the substituted C6 to C30 aromatic organic group is substituted with an electron withdrawing group selected from the group consisting of a halogen atom, nitro group, cyano group, C1 to C2 haloalkyl group, C1 to C6 alkanoyl group, and C1 to C6 ester group, R12 and R13 are the same or different and are each independently a halogen, a hydroxyl group, an alkoxy group of the formula —OR208 wherein R208 is a C1 to C10 aliphatic organic group, a silyl group of the formula —SiR209R210R211 wherein R209, R210, R211 are the same or different and are each independently hydrogen or a C1 to C10 aliphatic organic group, a C1 to C10 aliphatic organic group, C3 to C30 alicyclic organic group, or a C6 to C20 aromatic organic group, and n7 and n8 are each independently integers ranging from 0 to 3. |
