Photoreceptor

Details Photoreceptor Photoreceptor

G - Physics

03

G

G03G 5/06 (2006.01) C08G 18/32 (2006.01) C08G 73/02 (2006.01) C08G 73/06 (2006.01) G03G 5/05 (2006.01) G03G 5/07 (2006.01)

Patent

CA 2125079

Photoreceptor Abstract A photoreceptor comprises a charge generating layer and a charge transporting layer, the former containing: (i) as a charge generating compound at least one selected from the group consisting of pyrrolopyrrol, mono- or dithio pyrrolopyrrol, azo pigments, quinacridone, phthalocyanine, indanthrone, flavathrone, pyranthrone, anthraquinon, perylene, dioxazine, perinone, thioindigo, isoindoline, isoindolinon and metal complexes; and (ii) 1-100 wt%, relative to the weight of the above charge generating compound, of a nitro xyl or hydroxylamino compound composed of at least an unsubstituted or substituted 5-, 6- or 7-membered heterocycle containing a divalent group of Formula Image or Image , wherein R1 and R2 independently represent methyl, ethyl or phenyl or altogether form a 4-12 membered aliphatic ring, L represents an aromatic residue, Y means O or OH, or an acid addition salts thereof, or (iia) 0.01-100 wt%, relative to the weight of the above charge generating compound, of a condensation or addition polymer the repeating molecular unit of which contains at least a nitroxyl or hydroxylamino group containing residue, or is substituted by a nitroxyl or hydroxylamino group containing side group, as well as a mixture among them or a mixture with nitroxyl- or hydroxylamine-free components.

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