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公开(公告)号：US4524118A
公开(公告)日：1985-06-18
申请号：US505253
申请日：1983-06-17
CPC分类号： G03G5/0514 , Y10S430/10
摘要： Electrophotographic photosensitive material comprising an electroconductive substrate and a layer of a photoconductive composition composed of a dispersion of a charge generating pigment in a charge transporting medium, which is formed on the electroconductive substrate, wherein said photoconductive composition contains an N,N-di-substituted-carbamic acid salt in an amount of 20 to 200% by weight based on the charge generating pigment. This electrophotographic electrophotosensitive material has excellent ozone resistance and shows a high initial charge retention ratio and sensitivity retention ratio when the cycle of charging and light exposure is repeated many times.
摘要翻译： 电子照相感光材料，其包含导电性基材和由导电性基体上形成的电荷输送介质中的电荷产生颜料的分散体构成的感光性组合物，其中，所述感光性组合物含有N，N-二取代 - 氨基甲酸盐，其量为基于电荷产生颜料的20至200重量％。 该电子照相电子照相感光材料具有优异的耐臭氧性，并且当重复充电和曝光的循环多次时，显示出高的初始电荷保持率和灵敏度保持率。
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公开(公告)号：US4566908A
公开(公告)日：1986-01-28
申请号：US583424
申请日：1984-02-24
CPC分类号： C09B69/106 , C09B67/0033 , G03G9/091 , G03G9/09716
摘要： An azoic pigment having a silica core comprising a core of a fine powder of silica having a particle diameter of not more than 10 microns and a coating of a mono- or polyazoic dye chemically bound to the surface of the silica core through an aminosilane coupling agent.
摘要翻译： 一种具有二氧化硅芯的偶氮颜料，其包含粒径不大于10微米的二氧化硅细粉末的芯和通过氨基硅烷偶联剂化学结合到二氧化硅芯的表面的单或多氮染料的涂层 。
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3.发明授权Toner for electrophotography comprising azoic pigment having silica core 失效用于电子照相的调色剂，其包含具有二氧化硅核心的偶氮颜料
公开(公告)号：US4576888A
公开(公告)日：1986-03-18
申请号：US583425
申请日：1984-02-24
CPC分类号： C09B69/008 , G03G9/09 , G03G9/091 , G03G9/097 , Y10T428/2995
摘要： A toner for electrophotography, comprising an azoic pigment having a silica core as a coloring component, said azoic pigment comprising a core of a fine powder of silica and a coating of a mono- or polyazoic dye chemically bound to the surface of the silica core through an aminosilane coupling agent.
摘要翻译： 一种用于电子照相的调色剂，包括具有二氧化硅核心作为着色组分的偶氮颜料，所述偶氮颜料包含二氧化硅细粉末的核心和通过化学键合到二氧化硅核芯表面的单或多氮染料的涂层 氨基硅烷偶联剂。
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公开(公告)号：US4480019A
公开(公告)日：1984-10-30
申请号：US484262
申请日：1983-04-12
IPC分类号： C07D221/14 , C07D307/91 , C09B31/06 , C09B31/075 , C09B31/14 , C09B35/037 , G03G5/06 , G03G5/02 , G03G5/05
CPC分类号： C09B35/037 , C09B31/06 , C09B31/14 , G03G5/0679
摘要： Disclosed is a photosensitive material for electrophotography, which comprises a photosensitive layer containing a disazo pigment represented by the following formula: ##STR1## wherein R.sub.1 stands for a lower alkyl group or a lower alkoxy group, n is a number of zero, 1 or 2, R.sub.2 stands for a lower alkyl group, a lower alkoxy group, a di-lower-alkylamino group, a nitro group or a halogen atom, m is a number of zero, 1 or 2, Z stands for a benzene ring or a naphthalene ring, and Y stands for a group represented by the following formula: ##STR2## in which B stands for a benzene, naphthalene, indole, carbazole or benzofuran ring or a substitution product thereof, which is fused to the benzene ring, Ar.sub.1 and Ar.sub.2 stand for a benzene ring, a naphthalene ring, a dibenzofuran ring or a substitution product thereof, R.sub.3 stands for a lower alkyl group, a carboxyl group or a carboxyl ester group, and R.sub.4 stands for a hydrogen atom, a lower alkyl group, a phenyl group or a substituted phenyl group.
摘要翻译： 公开了一种用于电子照相的感光材料，其包含含有由下式表示的双偶氮颜料的感光层：其中R1表示低级烷基或低级烷氧基，n表示0,1或2的数 R2代表低级烷基，低级烷氧基，二低级烷基氨基，硝基或卤素原子，m为0,1或2的数，Z表示苯环或萘 环，Y表示由下式表示的基团：其中B表示苯，萘，吲哚，咔唑或苯并呋喃环或其取代产物，其与 苯环Ar1和Ar2代表苯环，萘环，二苯并呋喃环或其取代产物，R3代表低级烷基，羧基或羧基酯基，R4代表氢原子 ，低级烷基，苯基或取代的p 丁烯基。
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公开(公告)号：US4592643A
公开(公告)日：1986-06-03
申请号：US716996
申请日：1985-03-28
IPC分类号： G03G15/04
CPC分类号： G03G15/04 , G03G15/0435
摘要： In a copying machine comprising a photosensitive drum having an amorphous silicon type photoconductive layer, if an image of an original is focussed on the photoconductive layer with a light having a wavelength shorter than 600 nm, the light fatigue of the amorphous silicon photoconductive layer is prevented, and the image memory phenomenon owing to the light fatigue is effectively obviated.
摘要翻译： 在包括具有非晶硅型光电导层的感光鼓的复印机中，如果用波长短于600nm的光将原稿的图像聚焦在光电导层上，则防止非晶硅光电导层的光疲劳 ，并且由于轻度疲劳引起的图像记忆现象被有效地消除。
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公开(公告)号：US4614698A
公开(公告)日：1986-09-30
申请号：US802315
申请日：1985-11-27
CPC分类号： G03G9/107 , G03G9/0819 , G03G9/0823
摘要： A two-component electrophotographic developer for use in developing a latent electrostatic image of a low potential. The developer is composed of a mixture of a magnetic carrier of spherical sintered ferrite particles having raised and depressed portions attributed to the primary particles on their surface, a median size of from 30 to 50 micrometers, an apparent density of less than 2.6 g/cc and an electric resistance, measured in the form of a magnetic brush, of from 6.times.10.sup.4 to 2.5.times.10.sup.6 ohms and chargeable toner particles having a volume inherent resistivity of at least 1.times.10.sup.13 ohms-cm and a specific inductive capacity of from 4 to 6. In a preferred embodiment, the chargeable toner particles have a median size of from 10 to 14 micrometers and are substantially free from particles having a particle diameter of not more than 5 micrometers. The developer can give an image of a high density, a high resolution and excellent gradation without brush marks.
摘要翻译： 用于显影低电位潜静电图像的双组分电摄影显影剂。 显影剂由具有由其表面上的初级颗粒引起的凸起和凹陷部分的球形烧结铁氧体颗粒的磁性载体的混合物组成，中值尺寸为30至50微米，表观密度小于2.6g / cc 以及以磁刷的形式测量的电阻为6×10 4至2.5×10 6欧姆，并且具有至少1×10 13欧姆 - 厘米的体积固有电阻率和4至6的电感率的可带电荷的调色剂颗粒。在 可充电调色剂颗粒的中值粒径为10-14微米，基本上不含粒径不超过5微米的颗粒。 开发者可以提供高密度，高分辨率和优异的无刷痕迹的图像。
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公开(公告)号：US4963454A
公开(公告)日：1990-10-16
申请号：US914579
申请日：1986-10-03
CPC分类号： G03G9/08 , G03G13/09 , G03G9/0821 , G03G9/107
摘要： In an electrophotographic developing method using a magnetic brush consisting of a mixture of magnetic carrier and an electroscopic toner, development is carried out at a toner concentration (Ct. %) in the mixture, which satisfies the requirement represented by the following formula: ##EQU1## wherein Sc stands for the specific surface area (cm.sup.2 /g) of the carrier, St stands for the specific surface area (cm.sup.2 /g) of the toner, and k is a number of from 0.90 to 1.14.A toner image having a high quality can be obtained according to this method.
摘要翻译： 在使用由磁性载体和电动调色剂的混合物组成的磁刷的电子照相显影方法中，以满足下述式表示的要求的混合物中的调色剂浓度（Ct。％）进行显影：
其中Sc表示载体的比表面积（cm2 / g），St表示调色剂的比表面积（cm2 / g），k表示0.90〜1.14的数。 可以根据这种方法获得具有高质量的调色剂图像。 -
8.发明授权
公开(公告)号：US4607936A
公开(公告)日：1986-08-26
申请号：US655533
申请日：1984-09-28
CPC分类号： G03G15/751 , G03G21/203 , G03G21/206
摘要： Disclosed is an electrophotographic apparatus comprising a photosensitive drum comprising an amorphous silicon type photoconductor layer formed on an electroconductive substrate, a main charging mechanism for charging the surface of the drum with charges having a predetermined polarity, an imagewise exposure mechanism for forming an electrostatic image corresponding to an image of an original on the surface of the drum, a toner development mechanism for forming a toner image corresponding to the electrostatic image, a toner image transfer mechanism for transferring the toner image formed on the surface of the photosensitive drum to a predetermined paper sheet, a toner cleaning mechanism for removing the residual toner adhering to the surface of the photosensitive drum and a fixing mechanism for fixing the transferred toner image to said paper sheet, wherein a heating mechanism is arranged to heat the surface of the photosensitive drum at a temperature of 30.degree. to 40.degree. C.The problem of the flow of an image inherent to the use of an amorphous silicon type photoconductive layer is effectively solved if this electrophotographic apparatus is employed.
摘要翻译： 公开了一种电子照相设备，其包括感光鼓，该感光鼓包括形成在导电性基体上的非晶硅型感光体层，用于以具有预定极性的电荷对滚筒表面充电的主充电机构，用于形成对应于静电图像的成像曝光机构 涉及一种用于形成与静电图像相对应的调色剂图像的调色剂显影机构，用于将形成在感光鼓表面上的调色剂图像转印到预定纸张上的调色剂图像转印机构 片材，用于除去附着在感光鼓表面上的残余调色剂的调色剂清洁机构和用于将转印的调色剂图像定影到所述纸张上的固定机构，其中设置加热机构以加热感光鼓的表面 温度在30〜40℃。问题 如果使用该电子照相设备，则有效地解决了使用非晶硅型光电导层固有的图像的流动。
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9.发明授权Photosensitive material for electrophotography containing photosensitive layer incorporating pentakisazo pigment 失效含有包含五重氮杂颜料的感光层的电子照相用感光材料
公开(公告)号：US4535044A
公开(公告)日：1985-08-13
申请号：US492959
申请日：1983-05-09
IPC分类号： C07D221/14 , C07D231/46 , C09B31/00 , C09B33/18 , G03G5/06 , G03G5/10
CPC分类号： G03G5/0694 , C09B33/18
摘要： Disclosed is a photosensitive material for electrophotography containing a pentakisazo pigment of the following formula: ##STR1## wherein the rings A.sub.1 and A.sub.2 may have halogen atoms, alkyl groups or alkoxy groups as substituents at the ortho-positions to the azo groups, the ring B may have a halogen atom, an alkyl group or an alkoxy group as a substituent or may contain the ring Z.sub.1, Z.sub.1 which is an aromatic or hetero ring fused to the benzene ring B, and Y stands for a group of the following formula: ##STR2## in which Z.sub.2 stands for an aromatic ring or a hetero ring, Ar.sub.1 stands for an aromatic ring or a hetero ring, Ar.sub.2 and Ar.sub.3 stand for an aromatic ring, R.sub.0 stands for a hydrogen atom, a lower alkyl group or a phenyl group, R.sub.1 stands for a lower alkyl group, a carboxyl group or an ester thereof, and R.sub.2 and R.sub.3 stand for a hydrogen atom, a lower alkyl group, a phenyl group or a substituted derivative thereof.
摘要翻译： 公开了一种用于电子照相的感光材料，其包含下式的五重氮杂颜料：其中环A1和A2可以具有卤素原子，烷基或烷氧基作为与偶氮邻位的取代基 基团可以具有卤素原子，烷基或烷氧基作为取代基，或者可以含有与苯环B稠合的芳香族或杂环的环Z1，Z1，Y表示 其中Z2表示芳香环或杂环，其中Ar1表示芳环或杂环，Ar2和Ar3表示芳香环，R0表示氢， 原子，低级烷基或苯基，R1代表低级烷基，羧基或其酯，R2和R3代表氢原子，低级烷基，苯基或取代衍生物 。
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公开(公告)号：US4447513A
公开(公告)日：1984-05-08
申请号：US460758
申请日：1983-01-25
CPC分类号： C09B35/56 , G03G5/0694
摘要： Disclosed is a photosensitive material for electrophotography, which comprises a photosensitive layer containing a tetrakis-azo pigment represented by the following formula: ##STR1## wherein X.sub.1 stands for a lower alkyl group, a lower alkoxy group or a halogen atom, X.sub.2 and X.sub.3 stand for a lower alkyl group, a lower alkoxy group, a halogen atom or a hydrogen atom, and Y stands for a group represented by the following group: ##STR2## in which Z stands for an aromatic ring such as a benzene or naphthalene ring, a substitution product thereof, a hetero ring such as an indole, carbazole or benzofuran ring, or substitution product thereof, Ar.sub.1 stands for an aromatic ring such as a benzene or naphthalene ring, a substitution product thereof, a hetero ring such as a dibenzofuran ring, or a substitution product thereof, Ar.sub.2 and Ar.sub.3 stand for an aromatic ring such as a benzene or naphthalene ring or a substitution product thereof, R.sub.1 stands for a lower alkyl group, a carboxyl group or an ester thereof, and R.sub.2 and R.sub.3 stand for a hydrogen atom, a lower alkyl group, a phenyl group or a substitution product thereof.
摘要翻译： 公开了一种电子照相用感光材料，其包含含有下式表示的四偶氮颜料的感光层：其中X1表示低级烷基，低级烷氧基或卤素原子，X2和X3表示 低级烷氧基，卤素原子或氢原子，Y代表下列基团：其中Z代表芳环，例如 苯或萘环，其取代产物，吲哚，咔唑或苯并呋喃环等杂环，或其取代产物，Ar1表示苯环或萘环等芳香环，取代产物，杂环 例如二苯并呋喃环或其取代产物，Ar2和Ar3表示芳环如苯或萘环或其取代产物，R1表示低级烷基，羧基或 酯，R2和R3代表氢原子，低级烷基，苯基或取代产物。
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