摘要:
Disclosed is a photosensitive plate for electrophotography, which comprises a conductive substrate and a layer of a composition formed by dispersing a photoconductor in a binder resin, which is formed on the substrate, wherein the resin binder comprises an epoxy resin component and an amine type curing agent component and the resin binder further comprises an acid anhydride as the ozone deterioration preventing agent. This photosensitive plate is excellent in the ozone resistance and the moisture resistance.
摘要:
Disclosed is a photosensitive material for electrophotography comprising a conductive substrate and a layer of a composition comprising a dispersion of a photoconductive pigment in a binder resin, which is formed on the conductive substrate, wherein a (dialkypyrophosphato) organic titanate is incorporated into said composition.This photosensitive material is excellent in the ozone resistance and the moisture resistance.
摘要:
Disclosed is an organic photosensitive material for electrophotography comprising a charge-transporting medium composed mainly of polyvinyl carbazole and a perylene type pigment as a charge-generating pigment dispersed in said charge-transporting medium, wherein 1 to 30 parts by weight of a halo-naphthoquinone and 1 to 100 parts by weight of phenanthrene or pyrene are incorporated per 100 parts by weight of the polyvinyl carbazole.This photosensitive material is excellent in the sensitivity and the resistance to the repeated light exposure.
摘要:
Disclosed is a photosensitive material for the electrophotography, which comprises a dispersion of a charge-generating pigment in a charge-transporting medium composed mainly of a polyvinyl carbazole resin, wherein a perylene pigment represented by the following general formula: ##STR1## wherein R.sub.1 and R.sub.2 stand for a hydrogen atom or a substituted or unsubstituted alkyl or aryl group, is dispersed and incorporated as the charge-generating pigment in an amount of 1 to 40 parts by weight per 100 parts by weight of the polyvinyl carbazole resin and a halogeno-p-benzoquinone is further incorporated in an amount of 1 to 60 parts by weight per 100 parts by weight of the polyvinyl carbazole resin.
摘要翻译:公开了一种用于电子照相术的感光材料,其包括在主要由聚乙烯咔唑树脂组成的电荷传输介质中的电荷产生颜料的分散体,其中由以下通式表示的苝颜料:其中R1和 R 2代表氢原子或取代或未取代的烷基或芳基,作为电荷产生颜料分散和引入,其量为每100重量份聚乙烯基咔唑树脂为1至40重量份, 相对于100重量份的聚乙烯基咔唑树脂,对苯醌进一步加入量为1至60重量份。
摘要:
Disclosed is a photosensitive composition for electrophotography, which comprises a dispersion of a disazo-type photoconductor in an electrically insulating resin medium, wherein a nitrophthalic anhydride represented by the following formula: ##STR1## wherein n is a number of 1 or 2, is incorporated as a sensitizer.
摘要:
The invention provides a method of preserving ocular cells in a patient having or at risk of developing glaucoma. In particular, microglial cell activation can be decreased, oligodendrocyte loss can be reduced, and/or the viability of retinal ganglion cells can be preserved by administering a selective TNFR2 antagonist to an individual having or at risk of developing glaucoma.
摘要:
Provided are methods and compositions for maintaining the viability of photoreceptor cells following retinal detachment. The viability of photoreceptor cells can be preserved by administering a neuroprotective agent, for example, a substance capable of suppressing endogenous MCP-1, a MCP-1 antagonist, a substance capable of suppressing endogenous TNF-alpha, a TNF-alpha antagonist, a substance capable of suppressing endogenous IL-1 beta, an IL-1 beta antagonist, a substance capable of inducing endogenous bFGF, exogenous bFGF, a bFGF mimetic, and combinations thereof, to a mammal having an eye with retinal detachment. The neuroprotective agent maintains the viability of the photoreceptor cells until such time that the retina becomes reattached to the underlying retinal pigment epithelium and choroid. The treatment minimizes the loss of vision, which otherwise may occur as a result of retinal detachment.
摘要:
A prop is extending from the printer unit upwards. A rear end portion of an upper casing is coupled with an upper portion of the prop pivotably in a vertical direction. A transparent platen is provided on a top face of the upper casing. An image capturer is provided in the upper casing and operable to capture an image on an original disposed on the platen and to output image data. A projection is provided on a bottom face of the upper casing and is extending in a front-rear direction of the upper casing. The projection has a rear end face adapted to be supported by the prop when the upper casing is placed in a first position causing the platen to extend horizontally. The rear end face extends obliquely in a forward-downward direction.
摘要:
A device capable of being operated by remote control for driving a part on a vehicle uses an ultrasonic linear actuator as a source for driving the part on a vehicle. An ultrasonic linear actuator neither produces electromagnetic noises nor is influenced by electromagnetic noises, which is useful for electronization of parts on a vehicle.
摘要:
An electrophotographic process includes performing removal of electricity or pre-charging by direct current corona discharge and main charging by direct current corona discharge of a polarity reverse to the polarity for removal of electric charge or pre-charging on an organic photoconductive photosensitive layer chargeable at both the positive and negative polarities. Then is performed imagewise exposure, development with a toner and transfer of the toner image. Such operations are repeated to form plural images. Main charging is carried out with an applied current such that the photosensitive layer surface potential is saturated at 500 to 700 volts (absolute value) and removal of electric charge or pre-charging is carried out with at an applied current lower than the saturation injected current value and corresponding to 40 to 90% thereof.