Polyamide block copolymer, article including same, and display device including the article

A polyamide block copolymer comprising at least one first segment, each being the same or different and each independently comprising a structural unit represented by the following Chemical Formula 2, and a structural unit represented by the following Chemical Formula 3;

• and
• at least one second segment each being the same or different and each independently comprising a structural unit represented by the following Chemical Formula 1, and a structural unit represented by the following Chemical Formula 3:
• wherein, in Chemical Formula 1,
• R1 is selected from the following chemical formulas, wherein “*” represents the point of attachment to each phenyl ring on either side of R1:
• R2 is the same or different in each structural unit and each is independently a
• selected from the following chemical formulas:
• wherein, in the above chemical formulas,
• R16 to R27 are the same or different and are each independently deuterium, a halogen, a substituted or unsubstituted C1 to C10 aliphatic organic group, a substituted or unsubstituted C6 to C20 aromatic organic group, or a C1 to C2 haloalkyl group,
• wherein n9 and n12 to n18 are each independently integers ranging from 0 to 4;
• and
• n10 and n11 are each independently integers ranging from 0 to 3;
• R3 and R4 are the same or different and are each independently a halogen, a hydroxyl group, an ether group —OR200, wherein R200 is a C1 to C10 aliphatic organic group, a silyl group —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 aryl group;
• n1 and n2 are each independently integers ranging from 0 to 4;
• and
• “*” represents a point of attachment to a subsequent structural unit;
• wherein, in Chemical Formula 2,
• R5 is the same as R2 as defined above;
• R6 and R7 are the same or different and are each independently —CF3, —CCl3, —CBr3, —F, —Cl, —Br, —I, —NO2, —CN, —COCH3, or —CO2C2H5;
• R8 and R9 are the same or different and are each independently a halogen, a hydroxyl group, an ether group —OR204, wherein R204 is a C1 to C10 aliphatic organic group, a silyl group —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 aryl group;
• n3 is an integer ranging from 1 to 4;
• n5 is an integer ranging from 0 to 3;
• the sum of n3 and n5 is an integer of 4 or less;
• n4 is an integer ranging from 1 to 4;
• n6 is an integer ranging from 0 to 3;
• the sum of n4 and n6 is an integer of 4 or less;
• and
• “*” represents a point of attachment to a subsequent structural unit;
• wherein, in Chemical Formula 3,
• R10 is the same or different in each structural unit and each is independently a silicon-containing group, a phosphorus-containing group, a sulfur-containing group, a halogen substituted C1 to C10 aliphatic organic group, a C1 to C2 haloalkyl substituted C1 to C10 aliphatic group, or an ether bond (—O—)-containing group;
• R11 is the same as R2 as defined above;
• R12 and R13 are the same or different and are each independently a single bond, a C6 to C20 aromatic organic group, a C6 to C20 aryleneoxy group, or a C6 to C20 arylene group linked via a C1 to C2 haloalkyl substituted C1 to C10 aliphatic group;
• R14 and R15 are the same or different and are each independently a halogen, a hydroxyl group, an ether group —OR208, wherein R208 is a C1 to C10 aliphatic organic group, a silyl group —SiR209R210R211, wherein R209, R210, and 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, or a C6 to C20 aryl group;
• n7 and n8 are each independently integers ranging from 0 to 4;
• and
• “*” represents a point of attachment to a subsequent structural unit,
• wherein the at least one first segment and the at least one second segment are not identical to each other,
• wherein the at least one first segment has a weight average molecular weight of about 500 grams per mole to about 50,000 grams per mole,
• wherein the at least one second segment has a weight average molecular weight of about 500 grams per mole to about 50,000 grams per mole, and
• wherein the structural unit represented by the above Chemical Formula 3 comprised in the at least one second segment is comprised in an amount of more than about 60 mole % based on the entire amount of all the structural units comprised in the second segment.