9,10-Bis(1,3-dithiol-2-ylidene)-9,10-dihydroanthracene polymers and use thereof

A 9,10-Bis(1,3-dithiol-2-ylidene)-9,10-dihydroanthracene polymer, comprising:

• an oligomeric or polymeric compound having a structure of the formula I
• wherein
• R1 to R7 are each independently hydrogen atoms, alkyl groups, alkenyl groups, alkynyl groups, alkoxy groups, alkylthio groups, haloalkyl groups, haloalkoxy groups, cycloalkyl groups, cycloalkoxy groups, aryl groups, heteroaryl groups, aryloxy groups, aralkyl groups, carboxylic acid groups, sulphonic acid groups, amino groups, monoalkylamino groups, dialkylamino groups, nitro groups, cyano groups, hydroxyl groups, alkylcarbonyl groups, alkenylcarbonyl groups, alkynylcarbonyl groups, carboxylic ester groups, carboxamide groups, sulphonic ester groups, thiol groups, halogen atoms or a combination of these groups or atoms,
• R8 to R11 are each independently hydrogen atoms, alkyl groups, alkenyl groups, alkynyl groups, alkoxy groups, alkylthio groups, haloalkyl groups, haloalkoxy groups, cycloalkyl groups, cycloalkoxy groups, aryl groups, heteroaryl groups, aryloxy groups, aralkyl groups, amino groups, monoalkylamino groups, dialkylamino groups, nitro groups, cyano groups, hydroxyl groups, alkylcarbonyl groups, alkenylcarbonyl groups, alkynylcarbonyl groups, carboxylic ester groups, carboxamide groups, sulphonic ester groups, thiol groups, halogen atoms or a combination of these groups or atoms,
• the R8 and R9 substituents, the R10 and R11 substituents, or both the R8 and R9 substituents and the R10 and R11 substituents form an aromatic, heteroaromatic or nonaromatic ring comprising five to seven atoms,
• X is an organic group obtained by a polymerization reaction of at least one functionality selected from the group consisting of an organic double bond, an organic triple bond, an oxirane and an aziridine, and
• n is an integer greater than or equal to 2.