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公开(公告)号：US5382489A
公开(公告)日：1995-01-17
申请号：US099541
申请日：1993-07-30
IPC分类号： C09D169/00 , G03G5/05 , G03G5/04
CPC分类号： G03G5/0564 , C09D169/00 , G03G5/0592
摘要： An electrophotographic photoreceptor comprising a conductive substrate having formed thereon a photosensitive layer containing, as binder resins, (A) a polycarbonate resin comprising a recurring unit represented by formula (I): ##STR1## and (B) a polycarbonate resin comprising a recurring unit represented by formula (II) or (III): ##STR2## wherein X.sub.1 and X.sub.2 each represent a hydrogen atom or an alkyl group, or (B') a copolycarbonate resin comprising a recurring unit represented by formula (II) and a recurring unit represented by formula (IV): ##STR3## said polycarbonate resin (B) or copolycarbonate resin (B') having a lower molecular weight than that of said polycarbonate resin (A). The photoreceptor had high film strength against abrasion and causes no toner filming or adhesion of any other foreign substances and is therefore excellent in electric characteristics and image characteristics.
摘要翻译： 一种电子照相感光体，包括在其上形成有感光层的感光层，该感光层含有作为粘合剂树脂的（A）包含由式（I）表示的重复单元的聚碳酸酯树脂：（I）和（B）包含 （II）或（III）表示的重复单元：其中X 1和X 2各自表示氢原子或烷基，或（B'）共聚碳酸酯树脂，其包含 （IV）表示的重复单元和由式（IV）表示的重复单元：所述聚碳酸酯树脂（B）或分子量低于所述聚碳酸酯树脂的聚碳酸酯树脂（B'）（Ⅳ） 一个）。 感光体对于磨损具有高的膜强度，并且不会引起任何其它异物的调色剂成膜或粘附，因此具有优异的电特性和图像特性。
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62.发明授权Electrophotographic photoreceptor comprising a squarylium compound and selenium or a selenium alloy 失效包含方酸化合物和硒或硒合金的电子照相感光体
公开(公告)号：US5104758A
公开(公告)日：1992-04-14
申请号：US521713
申请日：1990-05-11
申请人： Kiyokazu Mashimo , Ryosaku Igarashi , Ichiro Takegawa , Yasuo Sakaguchi , Shigetoshi Nakamura , Kohichi Yamamoto
发明人： Kiyokazu Mashimo , Ryosaku Igarashi , Ichiro Takegawa , Yasuo Sakaguchi , Shigetoshi Nakamura , Kohichi Yamamoto
CPC分类号： G03G5/0611 , G03G5/0618 , G03G5/087
摘要： An electrophotographic photoreceptor comprising an electrically conductive substrate having thereon a photosensitive layer is disclosed, wherein the photosensitive layer contains, as a charge generating material, a dispersion of selenium or a selenium alloy and at least one squarylium compound represented by formula (I): ##STR1## wherein A represents a fluorine atom, a hydrogen atom or a hydroxyl group, with B representing a hydroxyl group; or A represents a hydrogen atom or a fluorine atom, with B representing a methyl group, in the same binder resin. The electrophotographic photoreceptor not only has broad spectral sensitivity from the visible to infrared region but is excellent in other electrophotographic properties.
摘要翻译： 公开了一种包含其上具有感光层的导电基底的电子照相感光体，其中感光层含有作为电荷产生材料的硒或硒合金的分散体和至少一种由式（I）表示的方酸化合物： 图像（I）其中A表示氟原子，氢原子或羟基，B表示羟基; 或A表示氢原子或氟原子，B表示甲基，在相同的粘合剂树脂中。 电子照相感光体不仅具有从可见光到红外区域的广谱光谱灵敏度，而且在其它电子照相特性方面也是优异的。
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公开(公告)号：US5032480A
公开(公告)日：1991-07-16
申请号：US290536
申请日：1988-12-27
CPC分类号： G03G5/09 , G03G5/047 , G03G5/0696 , G03G5/087
摘要： An electrophotographic photoreceptor is disclosed, which comprises an electrically conductive substrate having thereon a photosensitive layer comprising a resin binder in which the following two kinds of charge generating materials are dispersed: (i) selenium or an alloy of selenium and (ii) a phthalocyanine derivative represented by the formula: ##STR1## wherein M represents AlCl, Mg, VO, InCl or H.sub.2. The electrophotographic photoreceptor exhibits a broad spectral sensitivity extending from the visible to the infrared regions of the spectrum and, therefore, can be suited for printers which utilize such light sources as semiconductor lasers, light emitting diodes, etc.
摘要翻译： 公开了一种电子照相感光体，其包括导电基材，其上具有包含树脂粘合剂的感光层，其中分散有以下两种电荷产生材料：（i）硒或硒合金和（ii）酞菁衍生物 由下式表示：其中M表示AlCl，Mg，VO，InCl或H 2。 电子照相感光体表现出从可见光到光谱的红外区域的广谱光谱灵敏度，因此可适用于利用诸如半导体激光器，发光二极管等的这种光源的打印机。
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公开(公告)号：US4999268A
公开(公告)日：1991-03-12
申请号：US307562
申请日：1989-02-06
CPC分类号： G03G5/0436 , G03G5/0614
摘要： An electrophotographic photoreceptor is disclosed, comprising a light-sensitive layer on an electrically conductive substrate, wherein the light-sensitive layer comprises particles of selenium or a selenium alloy as the charge generating material, and at least one compound represented by formula (I), ##STR1## wherein R.sub.1 represents a hydrogen atom, an alkyl group or an alkoxyl group; R.sub.2 and R.sub.3, which may be the same or different, represent each a hydrogen atom, an alkyl group, an alkoxyl group, a halogen atom, an alkoxycarbonyl group or a substituted amino group; and at least one compound represented by formula (II), ##STR2## wherein R.sub.4, R.sub.5 and R.sub.6, which may be the same or different, represent each a hydrogen atom, an alkyl group, an alkoxy group, a halogen atom, an alkoxycarbonyl group or a substituted amino group, as the charge transporting materials. Preferably, the selenium or selenium alloy particles are dispersed in a charge generating layer formed on the substrate, and a charge transporting layer containing the compounds of formula (I) and formula (II) is formed on the charge generating layer.
摘要翻译： 公开了一种电子照相感光体，其包括在导电性基材上的感光层，其中，感光层包含作为电荷产生材料的硒或硒合金颗粒，以及至少一种由式（I）表示的化合物， 其中R1表示氢原子，烷基或烷氧基; R2和R3可以相同或不同，表示氢原子，烷基，烷氧基，卤素原子，烷氧基羰基或取代氨基; 和由式（II）表示的至少一种化合物，其中R 4，R 5和R 6可以相同或不同，表示氢原子，烷基，烷氧基，卤素原子 ，烷氧基羰基或取代的氨基作为电荷输送材料。 优选地，硒或硒合金颗粒分散在形成在基板上的电荷产生层中，并且在电荷产生层上形成含有式（I）和式（II）化合物的电荷输送层。
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公开(公告)号：US06205307B1
公开(公告)日：2001-03-20
申请号：US09453512
申请日：1999-12-03
申请人： Katsumi Nukada , Wataru Yamada , Kiyokazu Mashimo
发明人： Katsumi Nukada , Wataru Yamada , Kiyokazu Mashimo
IPC分类号： G03G5047
CPC分类号： G03G15/751 , G03G5/047 , G03G5/0614 , G03G5/14791
摘要： An image-forming apparatus of an electrophotographic system equipped with an electrophotographic photoreceptor, an electrostatically charger, a light-exposure, a developing device, and a transferring device, wherein the electrophotographic photoreceptor is an electrophotographic photoreceptor having at least a charge generating layer, a charge transport layer, and an uppermost surface layer successively laminated on an electrically conductive substrate, the charge transport layer having a layer containing at least 45% by weight a charge transporting material, and the wear rate of the uppermost surface layer being less than the wear rate of said layer, and the time from a light-exposure to a development is not longer than 150 m sec. The image-forming apparatus is excellent in the printing durability and the stability, gives less image flowing, and is small-sized and high-speed.
摘要翻译： 一种配备有电子照相感光体，静电充电器，曝光，显影装置和转印装置的电子照相系统的图像形成装置，其中电子照相感光体是至少具有电荷产生层的电子照相感光体， 电荷传输层和连续层压在导电基底上的最上表面层，电荷输送层具有包含至少45重量％的电荷输送材料的层，并且最上表面层的磨损率小于磨损 所述层的速度以及从曝光到显影的时间不超过150msec。 图像形成装置的印刷耐久性和稳定性优异，图像流动更少，并且尺寸和高速度。
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66.发明授权
公开(公告)号：US06010810A
公开(公告)日：2000-01-04
申请号：US951666
申请日：1997-10-16
CPC分类号： G03G5/14769 , G03G5/047 , G03G5/0698 , G03G5/14791
摘要： An electrophotographic photoreceptor comprising an electrically-conductive substrate having thereon at least a photosensitive layer and a surface protective layer: wherein the surface protective layer has a network structure formed by the reaction of hydroxyl group-containing compounds with an isocyanate group-containing compound; and wherein at least one of the hydroxyl group-containing compounds is an electric charge-transporting material containing a hydroxyl group. Also disclosed are a preparation process of the electrophotographic photoreceptor and an image forming apparatus comprising the electrophotographic photoreceptor.
摘要翻译： 一种电子照相感光体，包括其上至少具有感光层和表面保护层的导电基材，其中所述表面保护层具有由含羟基的化合物与含异氰酸酯基的化合物的反应形成的网状结构; 并且其中所述含羟基化合物中的至少一种是含有羟基的电荷输送材料。 还公开了电子照相感光体的制备方法和包含电子照相感光体的图像形成装置。
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67.发明授权
公开(公告)号：US5302479A
公开(公告)日：1994-04-12
申请号：US873026
申请日：1992-04-24
申请人： Katsumi Daimon , Katsumi Nukada , Akira Imai , Masakazu Iijima , Kazuo Yamasaki , Kiyokazu Mashimo , Yasuo Sakaguchi , Toru Ishii
发明人： Katsumi Daimon , Katsumi Nukada , Akira Imai , Masakazu Iijima , Kazuo Yamasaki , Kiyokazu Mashimo , Yasuo Sakaguchi , Toru Ishii
CPC分类号： G03G5/0696 , C09B67/0016 , C09B67/0026
摘要： Crystals of hydroxygallium phthalocyanine, a method of preparing the crystals, a photoconductive material containing the crystals, and an electrophotographic photoreceptor having the material. The photoreceptor has excellent electrophotographic characteristics. The crystals of hydroxygallium phthalocyanine have distinct diffraction peaks at (i) 7.5.degree., 9.9.degree., 12.5.degree., 16.3.degree., 18.6.degree., 25.1.degree. and 28.3.degree., or (ii) 7.7.degree., 16.5.degree., 25.1.degree. and 26.6.degree., or (iii) 7.9.degree., 16.5.degree., 24.4.degree. and 27.6.degree., or (iv) 7.0.degree., 7.5.degree., 10.5.degree., 11.7.degree., 12.7.degree., 17.3.degree., 8.1.degree., 24.5.degree., 26.2.degree. and 27.1.degree., or (v) 6.8.degree., 12.8.degree., 15.8.degree. and 26.0.degree. or (vi) 7.4.degree., 9.9.degree., 25.0.degree., 26.0.degree., and 28.2.degree. of the Bragg angle (2.theta..+-.0.2) in the X-ray diffraction spectrum. The electrophotographic photoreceptor has a light-sensitive layer containing the photoconductive material of the crystals.
摘要翻译： 羟基镓酞菁的晶体，晶体的制备方法，含有晶体的感光材料和具有该材料的电子照相感光体。 感光体具有优异的电子照相特性。 羟基镓酞菁的晶体在（i）7.5度，9.9度，12.5度，16.3度，18.6度，25.1度和28.3度，或（ii）7.7度，16.5度，25.1度和26.6度处具有不同的衍射峰， 或（iii）7.9度，16.5度，24.4度和27.6度，或（iv）7.0度，7.5度，10.5度，11.7度，12.7度，17.3度，8.1度，24.5度，26.2度和27.1度， 或（v）6.8度，12.8度，15.8度和26.0度，或（vi）布拉格角（2（θ）±0.2）的7.4度，9.9度，25.0度，26.0度和28.2度） 射线衍射谱。 电子照相感光体具有含有晶体光导材料的感光层。
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