| 摘要 |
Poly(arylenevinylenes) comprising at least 20% of recurring units of the formula (I), where the symbols and indices have the following meanings: Aryl: is an aryl group having 4 to 14 carbon atoms; R': is a substituent which is either in the labeled phenylene position 5 or 6 and is CN, F, Cl, N(R1R2) or a straight-chain, branched or cyclic alkyl, alkoxy or thioalkoxy group having 1 to 20 carbon atoms, in which, in addition, one or more H atoms may be replaced by F; R'': are identical or different and are CN, F, Cl or a straight-chain, branched or cyclic alkyl or alkoxy group having 1 to 20 carbon atoms, where one or more non-adjacent CH2 groups may be replaced by -O-, -S-, -CO-, -COO-, -O-CO-, -NR1-, -(NR2R3)+-A- or -CONR4-, and where one or more H atoms may be replaced by F, or an aryl group having 4 to 14 carbon atoms, which may be substituted by one or more non-aromatic radicals R'; R1, R2, R3, R4 are identical or different and are H or an aliphatic or aromatic hydrocarbon radical having 1 to 20 carbon atoms; A-: is a singly charged anion or an equivalent thereof; and n: is 0, 1, 2, 3, 4 or 5. are suitable as electroluminescent materials.
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