| 主权项 |
1. A composite film comprising:
a base film comprising a polyimide or poly(imide-amide) copolymer and a coating layer comprising a copolymer represented by Chemical Formula 1 disposed on one surface of the base film: wherein, in the Chemical Formula 1,is the same or different in each repeating unit, and is independently represented by Chemical Formula 4: wherein, in the Chemical Formula 4, R10 is a single bond, a substituted or unsubstituted C1 to C30 aliphatic organic group, a substituted or unsubstituted C3 to C30 alicyclic organic group, a substituted or unsubstituted C6 to C30 aromatic organic group, or a substituted or unsubstituted C2 to C30 heterocyclic group, R12 and R13 are the same or different and are independently a halogen, a hydroxy group, an alkoxy group of formula —OR208, wherein R208 is a C1 to C10 aliphatic organic group, a silyl group of formula —SiR209R210R211, wherein R209, R210, and R211 are the same or different and are independently hydrogen or a C1 to C10 aliphatic organic group, a substituted or unsubstituted C1 to C10 aliphatic organic group, or a C6 to C20 aromatic organic group, n7 and n8 are independently integers ranging from 0 to 3, and theis the same or different in each repeating unit and is independently represented by Chemical Formula 5, 6, or 7: wherein, in the Chemical Formula 5, R11 is a substituted or unsubstituted C3 to C30 alicyclic organic group, a substituted or unsubstituted C6 to C30 aromatic organic group, a substituted or unsubstituted C2 to C30 heterocyclic group, or a substituted or unsubstituted C13 to C20 fluorenylene group, R3 and R4 are the same or different and are independently a halogen, a hydroxy group, an alkoxy group of formula —OR200, wherein R200 is a C1 to C10 aliphatic organic group, a silyl group of formula —SiR201R202R203, wherein R201, R202, and R203 are the same or different and are independently hydrogen or a C1 to C10 aliphatic organic group, a substituted or unsubstituted C1 to C10 aliphatic organic group, or a C6 to C20 aromatic organic group, and n1 and n2 are independently integers ranging from 0 to 4, wherein, in the Chemical Formula 6, R6 and R7 are the same or different and are independently an electron withdrawing group, R8 and R9 are the same or different and are independently a halogen, a hydroxy group, an alkoxy group of formula —OR204, wherein R204 is a C1 to C10 aliphatic organic group, a silyl group of formula —SiR205R206R207, wherein R205, R206, and R207 are the same or different and are independently hydrogen or a C1 to C10 aliphatic organic group, a substituted or unsubstituted 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, provided that n3+n5 is an integer ranging from 1 to 4, n4 is an integer ranging from 1 to 4, n6 is an integer ranging from 0 to 3, and provided that n4+n6 is an integer ranging from 1 to 4, wherein, in the Chemical Formula 7, R14 is O, S, C(═O), CH(OH), S(═O)2, Si(CH3)2, (CH2)p, wherein, 1≦p≦10, (CF2)q, wherein 1≦p≦10, C(CH3)2, C(CF3)2, C(═O)NH, or a substituted or unsubstituted C6 to C30 aromatic organic group, wherein the aromatic organic group comprises one aromatic ring; 2 or more aromatic rings linked together to provide a condensed ring; or 2 or more aromatic rings linked together through a single bond, a fluorenylene group, O, S, C(═O), CH(OH), S(═O)2, Si(CH3)2, (CH2)p, wherein 1≦p≦10, (CF2)q, wherein 1≦p≦10), C(CH3)2, C(CF3)2, or C(═O)NH, R16 and R17 are the same or different and are independently a halogen, a hydroxy group, an alkoxy group of formula —OR212, wherein R212 is a C1 to C10 aliphatic organic group, a silyl group of formula —SiR213R214R215, wherein R213, R214, and R215 are the same or different and are independently a hydrogen or a C1 to C10 aliphatic organic group, a substituted or unsubstituted C1 to C10 aliphatic organic group, or a C6 to C20 aromatic organic group, n9 and n10 are independently an integer ranging from 0 to 4, R1 is the same or different in each repeating unit, and is independently a substituted or unsubstituted C6 to C30 aromatic organic group, Ra is a substituted or unsubstituted alkylene, a substituted or unsubstituted alkenylene, a substituted or unsubstituted alkynylene group, a substituted or unsubstituted cycloalkylene, a substituted or unsubstituted cycloalkenylene, a substituted or unsubstituted cycloalkynylene, a substituted or unsubstituted arylene, or a substituted or unsubstituted aralkylene, Rb and Rc are the same or different and are independently a hydrogen, a C1 to C20 alkyl, a C2 to C20 alkenyl, a C2 to C20 alkynyl, a C3 to C20 cycloalkyl, or a C6 to C18 aryl, n is an integer ranging from 1 to 3, and x, y, and z indicate a mole number of each repeating unit, wherein x and y are an integer of greater than 0, and z is an integer of 0 or greater. |
