摘要:
The present invention provides organophotoreceptors comprising an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having
a) a charge transport material with the formula where X is a linking group having the formula -(CH 2 ) m -, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups is optionally replaced by O, S, C=O, O=S=O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a NR 3 group, a CHR 4 group, or a CR 5 R 6 group where R 3 , R 4 , R 5 , and R 6 are, independently, H, hydroxyl group, thiol group, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; R 1 and R 2 are independently a hydrogen, a halogen, an alkyl group, an aryl group, an alkaryl group, an aromatic group or a heterocyclic group; Y is an aromatic group; and n is a distribution of integer values greater than 2; and (b) a charge generating compound.
The charge transport material can be crosslinked with a polymer binder either directly or through a crosslinking agent.
摘要:
The present invention provides organophotoreceptors comprising an electrically conductive substrate and photoconductive element on the electrically conductive substrate, the photoconductive element having
a) a charge transport material with the formula where X is a linking group having the formula -(CH 2 ) m -, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups is optionally replaced by O, S, C=O, O=S=O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a NR 3 group, a CHR 4 group, or a CR 5 R 6 group where R 3 , R 4 , R 5 , and R 6 are, independently, H, hydroxyl group, thiol group, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; R 1 and R 2 are independently a hydrogen, a halogen, an alkyl group, an aryl group, an alkaryl group, an aromatic group or a heterocyclic group; Y is an aromatic group; and n is a distribution of integer values greater than 2; and (b) a charge generating compound.
The charge transport material can be crosslinked with a polymer binder either directly or through a crosslinking agent.
摘要:
According to the present invention, a titanyl phthalocyanin crystal excellent in storage stability in organic solvents, a method for preparing the same and an electrophotographic photoconductor using the same are provided. In the titanyl phthalocyanin crystal, the method for preparing such a titanyl phthalocyanin crystal and the electrophotographic photoconductor using the same, the titanyl phthalocyanin crystal is characterized by having the maximum peak at a Bragg angle 2θ ± 0.2° = 27.2° in a CuKα characteristic X-ray diffraction spectrum and one peak within the range of 270 to 400°C other than a peak accompanied by the vaporization of adsorbed water in a differential scanning calorimetric analysis.
摘要:
The present invention provides organophotoreceptors comprising an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:
(a) a charge transport material having the formula where X and X' are, each independently, a linking group; Ar comprises an aromatic group; R 1 , R 2 , and R 3 comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; and E 1 and E 2 are, each independently, a reactive ring group; and (b) a charge generating compound.
Corresponding electrophotographic apparatuses, imaging methods, and a polymeric charge transport material prepared from the charge transport material above are described, as are processes for preparing charge transport materials, and charge transport materials.
摘要翻译:本发明提供了包括导电基底和在导电基底上的光电导元件的有机光感受器,光电导元件包括:(a)具有下式的电荷输送材料:其中X和X'各自独立地为连接基团; Ar包含芳族基团; R 1,R 2和R 3各自独立地包含H,烷基,链烯基,炔基,芳族基团或杂环基团; 并且E1和E2各自独立地为反应性环基团; 和(b)电荷产生化合物。 描述了相应的电子照相设备,成像方法和由上述电荷传输材料制备的聚合物电荷传输材料,以及用于制备电荷传输材料和电荷传输材料的工艺。
摘要:
The present invention provides organophotoreceptors comprising an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:
(a) a charge transport material having the formula where n is an integer between 2 and 6, inclusive; R 1 and R 2 are, independently, an alkyl group, an alkaryl group, or an aryl group with the proviso that neither R 1 nor R 2 is a naphthyl group, a stilbenyl group, alkylsulfonylphenyl group or a (9H-fluoren-9-ylidene)benzyl group; R 3 and R 4 are, independently, H, halogen, carboxyl, hydroxyl, thiol, cyano, nitro, aldehyde group, ketone group, an ether group, an ester group, a carbonyl group, an alkyl group, an alkaryl group, or an aryl group; X is a linking group having the formula -(CH 2 ) m -, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups can be optionally replaced by O, S, C=O, O=S=O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a NR 5 group, a CHR 6 group, or a CR 7 R 8 group where R 5 , R 6 , R 7 , and R 8 are, independently, H, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; and Y comprises a bond, C, N, O, S, a branched or linear -(CH 2 ) p - group where p is an integer between 0 and 10, an aromatic group, a cycloalkyl group, a heterocyclic group, or a NR 9 group where R 9 is hydrogen atom, an alkyl group, or aryl group, wherein Y has a structure selected to form n bonds with the corresponding X groups; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods (processes) are described, as are corresponding charge transport materials.
摘要:
The present invention provides an electrographic printing photosensitive resin composition, which exhibits a good photosensitivity in a negative corona charging system and is useful for a laser platemaking system using semi-conductor laser light within a near infrared range as a light source. Disclosed is a negative charging type printing photosensitive resin composition comprising a phthalocyanine compound (a), a mercaptoarylimidazole (thiazole) compound (b) and, if necessary, a compound selected from the group consisting of a condensed polycyclic quinone compound, a bisazo compound, a cyanine compound, a quinacridone compound and a mixture thereof (d), said compounds being dispersed in a binder resin (C). A printing photosensitive resin plate using the photosensitive resin composition is also disclosed.
摘要:
The present invention provides organophotoreceptors comprising an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:
(a) a charge transport material having the formula where X and X' are, each independently, a linking group; Ar comprises an aromatic group; R 1 , R 2 , and R 3 comprise, each independently, H, an alkyl group, an alkenyl group, an alkynyl group, an aromatic group, or a heterocyclic group; and E 1 and E 2 are, each independently, a reactive ring group; and (b) a charge generating compound.
Corresponding electrophotographic apparatuses, imaging methods, and a polymeric charge transport material prepared from the charge transport material above are described, as are processes for preparing charge transport materials, and charge transport materials.
摘要:
The present invention provides organophotoreceptors comprising an electrically conductive substrate and a photoconductive element on the electrically conductive substrate, the photoconductive element comprising:
(a) a charge transport material having the formula where n is an integer between 2 and 6, inclusive; R 1 and R 2 are, independently, an alkyl group, an alkaryl group, or an aryl group with the proviso that neither R 1 nor R 2 is a naphthyl group, a stilbenyl group, alkylsulfonylphenyl group or a (9H-fluoren-9-ylidene)benzyl group; R 3 and R 4 are, independently, H, halogen, carboxyl, hydroxyl, thiol, cyano, nitro, aldehyde group, ketone group, an ether group, an ester group, a carbonyl group, an alkyl group, an alkaryl group, or an aryl group; X is a linking group having the formula -(CH 2 ) m -, branched or linear, where m is an integer between 0 and 20, inclusive, and one or more of the methylene groups can be optionally replaced by O, S, C=O, O=S=O, a heterocyclic group, an aromatic group, urethane, urea, an ester group, a NR 5 group, a CHR 6 group, or a CR 7 R 8 group where R 5 , R 6 , R 7 , and R 8 are, independently, H, an alkyl group, an alkaryl group, a heterocyclic group, or an aryl group; and Y comprises a bond, C, N, O, S, a branched or linear -(CH 2 ) p - group where p is an integer between 0 and 10, an aromatic group, a cycloalkyl group, a heterocyclic group, or a NR 9 group where R 9 is hydrogen atom, an alkyl group, or aryl group, wherein Y has a structure selected to form n bonds with the corresponding X groups; and (b) a charge generating compound. Corresponding electrophotographic apparatuses and imaging methods (processes) are described, as are corresponding charge transport materials.