Symmetrical perylene dimers

C - Chemistry – Metallurgy – 09 – B

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96/174, 260/274

C09B 57/08 (2006.01) C07D 471/06 (2006.01) C09B 5/62 (2006.01) G03G 5/06 (2006.01) G03G 5/09 (2006.01)

Patent

CA 2201418

Photoconductive imaging members comprised of a symmetrical dimeric perylene as a charge generator, wherein said perylene is of the following formula wherein R is hydrogen, alkyl, cycloalkyl, oxaalkyl, substituted alkyl, aryl, substituted aryl, aralkyl or substituted aralkyl, and X is the symmetrical bridging moiety, N-N, alkylene, when n is zero, substituted alkylene, cycloalkylene, arylene, substituted arylene, aralkylene, or substituted aralkylene. (see fig. I)

Eléments d'imagerie photoconducteurs constitués d'un pérylène dimérique symétrique comme générateur de charges, où ledit pérylène est représenté par la formule suivante où R est un hydrogène, un alkyle, un cycloalkyle, un oxaalkyle, un alkyle substitué, un aryle, un aryle substitué, un aralkyle ou un aralkyle substitué, et X est la fraction de pontage symétrique, un N-N, alcénylène, lorsque n est égal à zéro, un alcénylène substitué, un cycloalcénylène, un arylène, un arylène substitué, un aralcénylène ou un aralcénylène substitué. (voir fig. I)

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