摘要:
A photoconductor for electrophotography comprises an electroconductive substrate and a photosensitive layer formed on the substrate. The photosensitive layer includes a novel bisazo compound as a charge generating substance therein. The bisazo compound is represented by the following general formula: ##STR1## wherein, A stands for a coupler residue.
摘要:
A photoconductor for electrophotography comprises an electroconductive substrate and a photosensitive layer formed on the substrate. The photosensitive layer includes a novel bisazo compound as a charge generating substance therein. The bisazo compound is represented by the following general formula: ##STR1## wherein, A stands for a coupler residue.
摘要:
A photoconductor for electrophotography, including an electroconductive substrate; and a photosensitive layer formed on the electroconductive substrate including a charge generating substance and a charge transporting substance which is at least one compound represented by general formula (II): ##STR1## wherein each of R.sub.9, R.sub.10, R.sub.11 and R.sub.12 is selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group and an aryl group, and each of R.sub.13, R.sub.14, R.sub.15 and R.sub.16 is selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, and a substituted or unsubstituted aryl group and heterocyclic group.
摘要:
A photoconductor for electrophotography comprises a substrate and a photosensitive layer formed on the substrate and including a novel azo compound. The one type of the azo compound is represented by the following general formula. ##STR1## Wherein Cp stand for a coupler residual group and R.sub.1 stand for one of a hydrogen atom, a lower alkyl group, a lower alkoxy group and carbamoyl group.
摘要:
An electrophotographic photosensitive material is disclosed, wherein the electrophotographic photosensitive material comprises a photosensitive layer containing at least one thiophene compound selected from the group consisting of compounds having the general formulae (I) and (II): ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6, and R.sup.21, R.sup.22, R.sup.23, R.sup.24, R.sup.25 ; and R.sup.26 each represents a hydrogen or halogen atom or a hydroxy group, an alkyl group, a hydroxyalkyl group, an alkoxy group, an allyl group, a vinyl group, an acyl group, a formylalkyl group, an acyloxy group, an alkoxycarbonyl group, an aryl group, a cyano group, a nitro group, an amino group, an alkylamino group or an arylamino group and n is an integer of 1, 2, 3, 4 or 5.
摘要翻译:公开了一种电子照相感光材料,其中电子照相感光材料包括含有至少一种选自具有通式(I)和(II)的化合物的噻吩化合物的感光层: (II)其中R1,R2,R3,R4,R5和R6,以及R21,R22,R23,R24,R25, R 26各自表示氢或卤素原子或羟基,烷基,羟基烷基,烷氧基,烯丙基,乙烯基,酰基,甲酰基,酰氧基,烷氧基羰基, 芳基,氰基,硝基,氨基,烷基氨基或芳基氨基,n为1,2,3,4或5的整数。
摘要:
A photosensitive member for electrophotography have a photosensitive layer 20 provided on an electroconductive substrate 1 and, containing a compound selected from among derivatives of thiophene, diphenylthiophene or oxadiazole. When the surface of the photosensitive member was positively charged and then irradiated with white light, the half decay exposure amount with which the surface potential is decreased to half is 5 to 10 lux.cndot.sec. The photosensitive member is capable of being used in semiconductor laser printers.
摘要:
A photosensitive member for electrophotography have a photosensitive layer 20 provided on an electroconductive substrate 1 and, containing a compound selected from among derivatives of thiophene, diphenylthiophene or oxadiazole. When the surface of the photosensitive member was positively charged and then irradiated with white light, the half decay exposure amount with which the surface potential is decreased to half is 5 to 10 lux.multidot.sec. The photosensitive member is capable of being used in semiconductor laser printers.
摘要:
A photosensitive member for electrophotography has a photosensitive layer provided on a conductive layer. The photosensitive layeer contains a hydrazone compound represented by the following general formula (I): ##STR1## wherein R.sub.1 stands for an aryl group which may have a substituent(s); each of R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 stands for a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a hydroxy group, a nitro group, an allyl group, an aryl group which may have a substitutent(s), or an aralkyl group; and n stands for an integer of 0 to 1.
摘要:
An electrophotographic photosensitive material includes a photosensitive layer containing a charge transporting substance comprising a novel hydrazone compound or derivative. A hydrazone compound is represented by the following general formula: ##STR1## wherein R.sub.1 stands for an aryl group which may have a substituent(s); each of R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 stands for a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a hydroxy group, a nitro group, an allyl group, an aryl group, or an aralkyl group, both of which aryl group and aralkyl group may have a substituent(s); and n stands for an integer of 0 or 1.
摘要:
A photoconductor for electrophotography comprises a novel azulenium compound as a charge generating substance. An azulenium compound is represented by the following general formula: ##STR1## Wherein, each of R.sub.1 to R.sub.9 stands for a hydrogen atom, a halogen atom, an alkoxy group, or an alkyl group, an aryl group, both of which may have a substituent(s), and X.sup..crclbar. stands for an anion residual group.