| 主权项 |
1. A polymer comprising one or more (repeating) unit(s) of the formula (I), wherein a is 1, 2, or 3, a′ is 0, 1, 2, or 3; b is 0, 1, 2, or 3; b′ is 0, 1, 2, or 3; c is 0, 1, 2, or 3; c′ is 0, 1, 2, or 3; d is 0, 1, 2, or 3; d′ is 0, 1, 2, or 3; with the proviso that b′ is not 0, if a′ is 0; R1 and R2 may be the same or different and are selected from hydrogen, a C1-C100alkyl group, —COOR103, a C1-C100alkyl group which is substituted by one or more halogen atoms, hydroxyl groups, nitro groups, —CN, or C6-C18aryl groups and/or interrupted by —O—, —COO—, —OCO—, or —S—; a C7-C100arylalkyl group, which can be substituted one to three times with C1-C8alkyl and/or C1-C8alkoxy; a carbamoyl group, C5-C12cycloalkyl, which can be substituted one to three times with C1-C8alkyl and/or C1-C8alkoxy; a C6-C24aryl group, in particular phenyl or 1- or 2-naphthyl which can be substituted one to three times with C1-C8alkyl, C1-C8thioalkoxy, and/or C1-C8alkoxy, or pentafluorophenyl, Ar1 and Ar1′ are independently of each other an annulated (aromatic) heterocyclic ring system, containing at least one thiophene ring, which are groups of formula which may be optionally substituted by one, or more groups, R3 and R3′ are independently of each other hydrogen, halogen, C1-C25alkyl, especially C4-C25alkyl, which may optionally be interrupted by one or more oxygen or sulphur atoms; C7-C25arylalkyl, or C1-C25alkoxy; R4, R4′, R5, R5′, R6 and R6′ are independently of each other hydrogen, halogen, C1-C25alkyl, especially C4-C25alkyl, which may optionally be interrupted by one or more oxygen or sulphur atoms; C7-C25arylalkyl, or C1-C25alkoxy; R114 is C1-C25alkyl, especially C4-C25alkyl, which may optionally be interrupted by one, or more oxygen, or sulphur atoms, R7, R7′, R9 and R9′ are independently of each other hydrogen, C1-C25alkyl, especially C4-C25alkyl, which may optionally be interrupted by one, or more oxygen, or sulphur atoms; or C7-C25arylalkyl, R8 and R8′ are independently of each other hydrogen, C6-C18aryl; C6-C18aryl which is substituted by C1-C18alkyl, or C1-C18alkoxy; or C1-C25alkyl, especially C4-C25alkyl, which may optionally be interrupted by one or more oxygen or sulphur atoms; or C7-C25arylalkyl, R11 and R11′ are independently of each other C1-C25alkyl group, especially a C1-C8alkyl group, C7-C25arylalkyl, or a phenyl group, which can be substituted one to three times with C1-C8alkyl and/or C1-C8alkoxy; R12 and R12′ are independently of each other hydrogen, halogen, C1-C25alkyl, especially C4-C25alkyl, which may optionally be interrupted by one, or more oxygen, or sulphur atoms, C1-C25alkoxy, C7-C25arylalkyl, or wherein R13 is a C1-C10alkyl group, or a tri(C1-C8alkyl)silyl group, Ar2, Ar2′, Ar3, Ar3′, Ar4 and Ar4′ have the meaning of Ar1, or are independently of each other wherein one of X3 and X4 is N and the other is CR99, R99, R104 and R104′ are independently of each other hydrogen, halogen, especially F, or a C1-C25alkyl group, especially a C4-C25alkyl, which may optionally be interrupted by one or more oxygen or sulphur atoms, C7-C25arylalkyl, or a C1-C25alkoxy group, R105, R105′, R106 and R106′ are independently of each other hydrogen, halogen, C1-C25alkyl, which may optionally be interrupted by one or more oxygen or sulphur atoms; C7-C25arylalkyl, or C1-C18alkoxy, R107 is C7-C25arylalkyl, C6-C18aryl; C6-C18aryl which is substituted by C1-C18alkyl, C1-C18 perfluoroalkyl, or C1-C18alkoxy; C1-C18alkyl; C1-C18alkyl which is interrupted by —O—, or —S—; or —COOR103; R103 is C1-C50alkyl, especially C4-C25alkyl; R108 and R109 are independently of each other H, C1-C25alkyl, C1-C25alkyl which is substituted by E and/or interrupted by D, C7-C25arylalkyl, C6-C24aryl, C6-C24aryl which is substituted by G, C2-C20heteroaryl, C2-C20heteroaryl which is substituted by G, C2-C18alkenyl, C2-C18alkynyl, C1-C18alkoxy, C1-C18alkoxy which is substituted by E and/or interrupted by D, or C7-C25aralkyl, or R108 and R109 together form a group of formula ═CR110R111, wherein R110 and R111 are independently of each other H, C1-C18alkyl, C1-C18alkyl which is substituted by E and/or interrupted by D, C6-C24aryl, C6-C24aryl which is substituted by G, or C2-C20heteroaryl, or C2-C20heteroaryl which is substituted by G, or R108 and R109 together form a five or six membered ring, which optionally can be substituted by C1-C18alkyl, C1-C18alkyl which is substituted by E and/or interrupted by D, C6-C24aryl, C6-C24aryl which is substituted by G, C2-C20heteroaryl, C2-C20heteroaryl which is substituted by G, C2-C18alkenyl, C2-C18alkynyl, C1-C18alkoxy, C1-C18alkoxy which is substituted by E and/or interrupted by D, or C7-C25aralkyl, D is —CO—, —COO—, —S—, —O—, or —NR112, E is C1-C8thioalkoxy, C1-C8alkoxy, CN, —NR112R113, —CONR112R113, or halogen, G is E, or C1-C18alkyl, and R112 and R113 are independently of each other H; C6-C18aryl; C6-C18aryl which is substituted by C1-C18alkyl, or C1-C18alkoxy; C1-C18alkyl; or C1-C18alkyl which is interrupted by —O—. |
