Electron transport binder structure

Claim 1

AN ELECTROPHOTOGRAPHIC PLATE HAVING A PHOTORECEPTOR BINDER LAYER COMPRISING PHOTOSENSITIVE PARTICLES DISPERSED IN AN UNORIENTED FASHION IN AN ELECTRONICALLY ACTIVE ORGANIC MATRIX BINDER IN AN AMOUNT OF FROM ABOUT 0.1 TO 5 PERCENT BY VOLUME OF SAID BINER, SAID PHOTOSENTIVITE PARTICLES EXHIBITING THE CAPABILITY OF PHOTO-EXCITED ELECTRON GENERATION AND INJECTION INTO THE SORROUNDING ACTIVE MATRIX BINDER, SAID ACTIVE ORGANIC MATRIX BINDER BING CAPABLE OF SUPPORTING THE INJECTION OF PHOTO-EXCITED ELECTRONS FROM SAID PHOTOCONDUCTIVE PARTICLES AND TRANSPORTING SAID ELECTRONS THROUGH SAID ACTIVE MATRIX MATERIAL, WHEREIN SAID MATRIX COMPRISES AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF PHTHALIC ANHYDRIDE, TETRACHLOROPHTHALIC ANHYDRIDE, BENZUL. MELLITIC ANHYDRIDE, S-TRICYANOBENZENE, PRICYL CHLORIDE, 2,4-DINITROCHLOROBENEZENE, 2,4-DINITROBROMOBENZENE, 4-NITROBEPHENYL 4,4-DINITROPHENYL, 2,4,5 TRINITTOANISOLE, TRICHLOROTRINITROBENZENE, TRINITRO-O-TOULENE, 4,6 DICHLORO - 1,2 DINITROBENZENE 4,6-DIBROMO, -1,3 DINITROBENZENE, P-DINITROBENZEN, ANIL, BROMOANIL, 2,4,7 TRINITRO-9-FLUORENONE, 2,4,5,7 TETRANITROFLUORENONE, TRINITROANTHRACENE, DINITROACRIDENE, TETRANITOR PYRENE AND DINITROANTHRAQUINONE.

Claim 12

A method of imaging which comprises: a. providing an electrophotographic plate having a photoreceptor binder layer photoconductive particles dispersed in an electronically active organic matrix binder in an unoriented fashion and in an amount of between about 0.1 and 5 percent by volume of said binder, said photoconductive particles being capable of photogenerating electrons and injecting them into the surrounding active matrix material, said active matrix material being capable of supporting the injection of photo-excited electrons and transporting said electrons through said active material, wherein said active matrix comprises at least one material selected from the group consisting of phthalic anhydride, tetrachlorophthalic anhydride, benzil, mellitic anhydride, s-tricyanobenzene, picryl chloride, 2,4-dinitrochlorobenzene, 2,4-dinitrobromobenzene, 4-nitrobiphenyl, 4,4-dinitrobiphenyl, 2,4,6-trinitroanisole, trichlorotrinitrobenzene, trinitro-0-toulene, 4,6 dichloro, 1,3 dinitrobenzene, 4,6 dibromo, 1,3 dinitrobenzene, p-dinitrobenzene, chloranil, bromoanil, 2,4,7 trinitro-9-fluorenone, 2,4,5,7 tetranitrofluorenone, trinitroanthracene, dinitroanidene, tetracyanopyrene, and dinitroanthraquinone, b. uniforming charging said plate, and c. exposing said plate to a source of radiation to which the active layer is substantially transparent and non-absorbing whereby injection and transport of photogenerated electrons from said photosensitive particles occurs through said active transport binder to form a latent electrostatic image on the surface of said plate.

Claim 13

A method of imaging which comprises: a. providing an electrophotographic plate having a photoreceptor binder layer photoconductive particles dispersed in an electronically active organic matrix binder in an unoriented fashion and in an amount of between about 0.1 and 5 percent by volume of said binder, said photoconductive particles being capable of photogenerating electrons and injecting them into the surrounding active matrix material, said active matrix material being capable of supporting the injection of photo-excited electrons and transporting said electrons through said active material, wherein said active matrix comprises at least one material selected from the group consisting of phthalic anhydride, tetrachlorophthalic anhydride, benzil, mellitic anhydride, s-tricyanobenzene, picryl chloride, 2,4-dinitrochlorobenzene, 2,4-dinitrobromobenzene, 4-nitrobiphenyl, 4,4-dinitrobiphenyl, 2,4,6-trinitroanisole, trichlorotrinitrobenzene, trinitro-0-toulene, 4,6 dichloro, 1,3 dinitrobenzene, 4,6 dibromo, 1,3 dinitrobenzene, p-dinitrobenzene, chloranil, bromoanil, 2,4,7 trinitro-9-fluorenone, 2,4,5,7 tetranitrofluorenone, trinitroanthracene, dinitroanidene, tetracyanopyrene, and dinitroanthraquinone, b. uniforming charging said plate, and c. exposing said plate to a source of radiation to which the active layer is substantially transparent and non-absorbing whereby injection and transport of photogenerated electrons from said photosensitive particles occurs through said active transport binder to form a latent electrostatic image on the surface of said plate.