Abstract:
toner químico com agente de liberação covalentemente ligado. uma composição de toner químico incluindo um polímero polimerizado de ingredientes de partida compreendendo um monômero de resina e um monômero de agente de liberação.
Abstract:
"camada mais externa para fotorreceptores". a presente invenção refere-se composto aromático contendo silício, que tem a fórmula ar-[x-l-sir~ n~(or )3-n]m, na qual ar representa um grupo aromático; x representa um grupo divalente ou trivalente; l representa um grupo de ligação divalente; r representa um átomo de hidrogênio, um grupo alquila ou um grupo arila; r representa um grupo alquila tendo de 1 a 5 átomos de carbono; n é um número inteiro de o a 2; e m é um número inteiro de 1 a 5. o composto aromático contendo silício pode ser usado em fotorreceptores eletrofotográficos, especificamente nas camadas de proteção mais externas de tais fotorreceptores eletrofotográficos.
Abstract:
PROBLEM TO BE SOLVED: To deal with the fact that since an existing photoreceptor moves charges across a layer at a speed, e.g., close to 200 ppm within about the same time as the time between exposure and development stations, in order to obtain a latitude of SOLUTION: An imaging member includes a substrate, a charge generating layer disposed on the substrate and at least one charge transport layer disposed on the charge generating layer, wherein the at least one charge transport layer comprises a high-charge-mobility complex comprising a terphenyl arylamine and a hole transport polymer. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a method for preparing a monoiodinated aromatic compound which is useful as an intermediate for preparing an electric charge transport amino compound and a hole transport amino compound, capable of preparing the compound in a high yield at a low cost with high purity. SOLUTION: This method for preparing the iodinated aryl compound comprises reacting a halogenated aryl compound with a metal iodide, a metal catalyst, and a ligand for coordination with the catalyst in at least one kind of solvent, so as to form the iodinated aryl compound, and purifying the iodinated aryl compound. Further, the iodinated aryl compound is reacted with a diarylamine compound, so that a triarylamine compound is prepared. A photoconductive image-forming component contains an electric charge transport layer containing at least one kind of the triarylamine compound prepared by reacting the iodinated aryl compound with the diarylamine compound. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a photoconductive image forming member having high sensitivity and excellent dark deactivation properties. SOLUTION: The photoconductive image forming member comprises a supporting substrate and a monolayer comprising a mixture of a light generator component, a charge transport component, an electron transport component and a polymer binder. The charge transport component is selected from N,N'-bis-(3,4-dimethylphenyl)-4-biphenylamine; N,N'-bis-(4-methylphenyl)-N,N'-bis-(4-ethylphenyl)-1,1',3,3'-(dimethylbiphenyl)-4,4'-diamine; N,N'-diphenyl-N,N'-bis(alkylphenyl)-1,1'-biphenyl-4,4'-diamine; and tri-p-tolylamine, and the electron transport component is selected from specified carbonylfluorenone malononitrile, nitrated fluorenone, diimide, thiopyran, carboxybenzylnaphthaquinone and diphenoquinone compounds. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an imaging member having enhanced imaging performance and an extended lifetime. SOLUTION: The electrophotographic imaging member includes a substrate, a photogenerating layer and an optional overcoating layer, where the photogenerating layer includes a chemically functionalized carbon nanotube material. COPYRIGHT: (C)2008,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a material for a photoconductive component having high photosensitivity, for example, to blue light irradiation. SOLUTION: A compound of the structural formula(1) is provided. In this formula, R 1 , R 2 , R 3 and R 4 are each independently selected from the group consisting of H, an alkyl, aryl and hydrocarbon group. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a process for obtaining bis-formylated arylamine in a high yield. SOLUTION: This method for producing the bis-formylated arylamine comprises a process of performing the reaction of an arylamine compound with an acidic solution containing approximately 2 to 200 mol equivalents alkyleneamine and refluxing. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To simplify a troublesome multi-step operation to one simple reaction for producing a colloid catalyst used for the Suzuki reaction or the like. SOLUTION: This is a method for producing a colloid catalyst including a process for generating an copper metal salt colloid catalyst by mixing an organic solvent, a phase transfer catalyst, a formate, a copper metal salt and a metal salt other than the copper in a reaction mixture. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a large-scale apparatus for preparing an intended sol-gel solution that is obtainable on a laboratory scale. SOLUTION: This apparatus 200 comprises a vessel 201 optionally containing a stirrer 202, a pump 204, a fluidized bed reaction column 206, abd multiple fluid lines 203a-203d, wherein the multiple fluid lines 203a, 203b connect the vessel 201 and the pump 204 in the first circulation loop, and the fluid lines 203a-203d connect the vessel 201, pump 204, and the fluidized bed reaction column 206 in the second circulation loop. COPYRIGHT: (C)2008,JPO&INPIT