Agfa-gevaert

Gianni Zotti

Frank Louwet

Lambertus Groenendaal

A thiophene compound represented by formula (I): in which: A represents a C2&#x2013;C5 alkylene bridge; R represents a stereoselectively substituted, linear or branched C2&#x2013;C24 alkyl, C3&#x2013;C18 cycloalkyl, C1&#x2013;C18 alkoxy or polyethyleneoxide group, optionally substituted with at least one substituent selected from the group consisting of an alcohol, amide, ether, ester or sulfonate group; or an optionally substituted aryl group having at least one chiral center substituted at said C2&#x2013;C5 alkylene bridge; polymers derived therefrom; a process for polymerizing a thiophene according to formula (I), optionally chemically or electrochemically; and dispersions, pastes and layers containing polymers derived therefrom.

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Padua, Italy

Gianni Zotti