摘要:
The electrophotographic photoreceptor of the present invention at least includes a charge-generating layer, a charge-transporting layer, and a surface protective layer sequentially deposited on an electroconductive support, wherein the charge-transporting layer contains a charge-transporting material having an ionization potential (IPA); the surface protective layer contains a binder resin and a metal oxide microparticle having an ionization potential (IPB); and the ionization potential (IPA) and the ionization potential (IPB) satisfy the relationship represented by Expression (A): −0.4 eV≦(IPA−IPB)≦0.4 eV.
摘要:
Provided is a monolayer type photoconductor superior in sensitivity characteristics that allows reliable production by easy confirmation of the sensitivity characteristics, and an image forming device using such a monolayer type photoconductor. A monolayer type photoconductor including a base body and a single photo sensitive layer formed on the base body, the single photo sensitive layer containing a charge generating agent, a hole transfer agent, an electron transfer agent and a binding resin, wherein a maximum absorption wavelength (λmax) of the photo sensitive layer is set to a value of below 850 nm and an absorbance (A850) of light at a wavelength of 850 nm per unit thickness of the photo sensitive layer is set to a value of 0.05 μm−1 or less.
摘要:
An electrophotographic photosensitive member includes a photosensitive layer that contains a charge generating material, a hole transport material, a binder resin, and a plasticizer. The hole transport material contains a triarylamine derivative represented by General Formula (1) below. The plasticizer contains at least one of a compound represented by General Formula (2a) and a compound represented by General Formula (2b) below.
摘要:
A charge transport material having reduced photodeterioration is disclosed to be an ethylene compound having an ethylene double bond site, having a structure in which four different substituents are substituted at the ethylene double bond site, and having general formula (I) below where R1, R2 and R3 are each independently a hydrogen atom, a halogen atom, an alkyl group of 1 to 6 carbons or an alkoxyl group of 1 to 6 carbons; R4 is phenyl or tolyl; and Ar is one group selected from the group consisting of naphthyl, biphenyl, anthryl, xylyl, and phenanthryl. An electrophotographic photoreceptor and process for producing the electrophotographic photoreceptor also are disclosed. The electrophotographic photoreceptor includes a conductive substrate; and a photosensitive layer provided on the conductive substrate that includes the charge transport material.
摘要翻译:公开了具有降低的光致变化的电荷传输材料,其是具有乙烯双键位点的乙烯化合物,其具有在乙烯双键位置上被四个不同取代基取代的结构,并且具有以下通式(I),其中R1,R2 R 3各自独立地为氢原子,卤素原子,碳原子数为1〜6的烷基或碳原子数为1〜6的烷氧基。 R4是苯基或甲苯基; Ar是选自萘基,联苯基,蒽基,二甲苯基和菲基的一个基团。 还公开了一种电子照相感光体和用于制造电子照相感光体的方法。 电子照相感光体包括导电性基板; 以及设置在包括电荷输送材料的导电性基板上的感光层。
摘要:
An electrophotographic photoconductor including: an electroconductive substrate; an intermediate layer; and a photoconductive layer, the intermediate layer and the photoconductive layer being on the electroconductive substrate, wherein the intermediate layer includes an inorganic pigment and a binder resin, wherein a volume ratio of the inorganic pigment in the intermediate layer is 30% by volume to 50% by volume, wherein the inorganic pigment comprises titanium oxide and a content of the titanium oxide in the inorganic pigment is 70% by mass to 90% by mass, wherein the inorganic pigment has a specific surface area of 70 m2/g to 140 m2/g, and wherein the intermediate layer has a volume resistivity at an electrical field intensity of 2.5×105 V/cm of 5×1011 Ω·cm to 1×1013 Ω·cm.
摘要:
An electrophotographic photoreceptor including an electroconductive substrate, a charge generation layer located overlying the electroconductive substrate, a hole transport layer located on the charge generation layer, and a hole transport protective layer located on the hole transport layer. The hole transport protective layer includes a three-dimensionally crosslinked material obtained by irradiating a composition including at least a radically polymerizable hole transport compound with ultraviolet rays or electron beams so that the radically polymerizable hole transport compound causes chain polymerization. In addition, the protective layer includes a specific cyano-containing styryl aromatic compound or a specific cyano-containing distyryl aromatic compound.
摘要:
An electrophotographic photoconductor including a conductive support and a photosensitive layer, wherein the photosensitive layer contains a charge generation agent, a charge transport agent and a binder resin, and wherein the charge generation agent contains an asymmetric disazo pigment represented by General Formula (I), the charge transport agent contains a triphenylamine compound represented General Formula (IX), and the mass ratio of the charge transport agent to the binder resin is 0.3 to 2.0, where R1 and R2 each represent a substituted or unsubstituted alkyl group, alkoxy group, aryl group or heterocyclic group, provided that R1 and R2 are different, where R3 to R5 each represent hydrogen, a halogen atom, an alkyl group having 1 to 6 carbon atoms, which may have a substituent, an alkoxy group having 1 to 6 carbon atoms, which may have a substituent, or a substituted or unsubstituted aryl group having 6 to 12 carbon atoms.
摘要:
An electrophotographic photoconductor, comprising:a conductive support; anda photosensitive layer provided on the conductive support and containing a charge generation material and a charge transport material,the photosensitive layer containing, as the charge transport material, a compound represented by the following general formula (I): wherein Ar1 represents an optionally substituted arylene or bivalent heterocyclic group; Ar2s, which may be the same or different, each represent a hydrogen atom or an optionally substituted alkyl, aralkyl, aryl or monovalent heterocyclic group; R1 represents an optionally substituted alkyl group; R2s each represent a hydrogen atom or an optionally substituted alkyl group; R3 and R4s, which may be the same or different, each represent a hydrogen atom or an optionally substituted alkyl or alkoxy group; and n is 0 or 1.
摘要翻译:一种电子照相感光体,包括:导电支撑体; 以及感光层,其设置在所述导电性支持体上并且含有电荷产生材料和电荷输送材料,所述感光层含有作为电荷输送材料的由下述通式(I)表示的化合物:其中Ar 1表示任意取代的 亚芳基或二价杂环基; Ar2s可以相同或不同,各自表示氢原子或任选取代的烷基,芳烷基,芳基或一价杂环基; R1表示任选取代的烷基; R 2各自表示氢原子或任选取代的烷基; R 3和R 4可以相同或不同,各自表示氢原子或任选取代的烷基或烷氧基; n为0或1。
摘要:
An electrophotographic photoreceptor including a conductive substrate and a photosensitive layer located overlying the conductive substrate which includes a naphthalenetetracarboxylic acid diimide derivative having a specific formula; and an image forming apparatus and a process cartridge using the electrophotographic photoreceptor are provided.
摘要:
A photoconductor that includes, for example, a supporting substrate, a photogenerating layer, and an (enylaryl)bisarylamine containing charge transport layer.