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公开(公告)号：US5604574A
公开(公告)日：1997-02-18
申请号：US602960
申请日：1996-02-16
申请人： Katsumi Matsuura , Yuji Marukawa , Yoshihiko Etoh
发明人： Katsumi Matsuura , Yuji Marukawa , Yoshihiko Etoh
IPC分类号： G03G21/00
CPC分类号： G03G21/0011
摘要： An electrophotographic image-forming method is disclosed. The image forming method comprises the steps of (1) forming an electrostatic latent image on a rotating electrophotographic photoreceptor having an organic photoconductive layer, (2) developing the electrostatic latent image with a toner comprising toner particles which contain a releasing agent existing in the toner particle in a form of insular domain having a number average diameter of 0.1 .mu.m to 1.1 .mu.m to form a toner image, (3) transferring the toner image to an image receiving member, and (4) cleaning the surface of the photoreceptor after the transferring step by a cleaning member having a rubber elastic cleaning blade having an impact resilience of 35 to 75% which is contacted to the surface of the photoreceptor in the direction counter to the rotating direction of the photoreceptor with a pressure of 5 to 40 g/cm, and the coefficient of static friction between the cleaning blade and the surface of the photoreceptor is not more than 1.0.
摘要翻译： 公开了一种电子照相成像方法。 图像形成方法包括以下步骤：（1）在具有有机光电导层的旋转电子照相感光体上形成静电潜像，（2）用包含存在于调色剂中的脱模剂的调色剂颗粒的调色剂显影静电潜像 颗粒形式为平均直径为0.1μm至1.1μm的岛状，以形成调色剂图像，（3）将调色剂图像转印到图像接收部件，以及（4）清洁感光体的表面后 通过具有抗冲击性为35％至75％的橡胶弹性清洁刮板的清洁构件的转印步骤，其与感光体的旋转方向相反的方向与感光体的表面接触，压力为5至40g / cm，清洁刮板与感光体表面之间的静摩擦系数不大于1.0。
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公开(公告)号：US5679488A
公开(公告)日：1997-10-21
申请号：US556131
申请日：1995-11-09
CPC分类号： G03G5/14704
摘要： Disclosed is an electrophotographic photoreceptor comprising a conductive support and provided thereon an intermediate layer, a carrier generation layer and a carrier transport layer, wherein an outermost layer of said electrophotographic photoreceptor contains silica particle each containing an aluminium ingredient of not more than 1000 ppm, a calcium ingredient of not more than 300 ppm and a iron ingredient of not more than 1000 ppm, and said silica particles have a volume average particle size of 0.05 through 5 .mu.m.
摘要翻译： 公开了一种电子照相感光体，其包含导电性支持体，在其上设置有中间层，载体产生层和载体输送层，其中，所述电子照相感光体的最外层含有二氧化硅颗粒，每个二氧化硅颗粒均含有不超过1000ppm的铝成分， 钙成分不大于300ppm，铁成分不超过1000ppm，所述二氧化硅粒子的体积平均粒径为0.05〜5μm。
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公开(公告)号：US5549997A
公开(公告)日：1996-08-27
申请号：US393352
申请日：1995-02-23
申请人： Asao Matsushima , Takeo Ooshiba , Yoshihiko Etoh , Akira Kinoshita , Tomoko Suzuki , Tomoo Sakimura
发明人： Asao Matsushima , Takeo Ooshiba , Yoshihiko Etoh , Akira Kinoshita , Tomoko Suzuki , Tomoo Sakimura
CPC分类号： G03G5/0655 , G03G5/0614 , G03G5/0659 , G03G5/0666 , G03G5/0668 , G03G5/067 , G03G5/0672 , G03G5/0674
摘要： Disclosed is an electrophotographic photoreceptor contains a carrier generation material represented by Formula 1 or 2 having peaks at 2.theta.=6.3.degree., 12.4.degree., 25.3.degree. and 27.1.degree. in the Bragg angle (2.theta..+-.0.2.degree.) as measured by X-ray diffraction under radiation of Cu-K.alpha. rays; said peak of 12.4.degree. has a maximum intensity and has a half width of 0.65.degree. or more; no peak being present at 11.5.degree.; anda carrier transportation material selected from the group consisting of the following Formulas 3, 4, 5 and 6; ##STR1## wherein Z represents an atomic group necessary to form a substituted or unsubstituted heterocyclic ring; ##STR2##
摘要翻译： 公开了一种电子照相感光体，其包含由式1或2表示的载体生成材料，其在布拉格角（2θ+/- 0.2°）中在2θ= 6.3°，12.4°，25.3°和27.1°处具有峰，如通过X Cu-Kα射线辐射下的射线衍射; 所述12.4°的峰值具有最大强度，半宽度为0.65°以上; 在11.5°没有峰值; 以及选自下列公式3,4,5和6的载体运输材料; 式1：需要形成取代或未取代的杂环所必需的原子团; 公式3：
公式4： 公式5： 公式6： -
公开(公告)号：US5434027A
公开(公告)日：1995-07-18
申请号：US170855
申请日：1993-12-21
申请人： Takeo Oshiba , Yoshihiko Etoh , Asao Matsushima , Yoshiaki Takei
发明人： Takeo Oshiba , Yoshihiko Etoh , Asao Matsushima , Yoshiaki Takei
IPC分类号： G03G5/06
CPC分类号： G03G5/0657 , G03G5/0659
摘要： The present invention is directed to a photoreceptor having an electroconductive support, a barrier layer, a charge generation layer and a charge transport layer, all formed on the support in this order, wherein the barrier layer consists of an alcohol-soluble copolymerized polyamide resin, the charge generation layer contains a compound represented by formula I or II, and the charge transport layer contains a polycarbonate resin having a molecular weight of not less than 100,000, ##STR1## wherein Z represents a groups of atoms necessary to form a substituted or unsubstituted divalent aromatic ring.
摘要翻译： 本发明涉及一种具有导电性支持体，阻挡层，电荷产生层和电荷输送层的感光体，其全部以该顺序形成在载体上，其中阻隔层由醇溶性共聚聚酰胺树脂， 电荷产生层含有由式I或II表示的化合物，电荷输送层含有分子量不小于100,000的聚碳酸酯树脂，形成取代或未取代的二价芳环所需的原子。
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公开(公告)号：US5863689A
公开(公告)日：1999-01-26
申请号：US602990
申请日：1996-02-16
申请人： Yoshiaki Takei , Yoshihiko Etoh , Asao Matsushima , Takeo Oshiba
发明人： Yoshiaki Takei , Yoshihiko Etoh , Asao Matsushima , Takeo Oshiba
CPC分类号： G03G5/0629 , G03G5/0503 , G03G5/0517 , G03G5/0521 , G03G5/0564 , G03G5/0607 , G03G5/0609 , G03G5/0614 , G03G5/0668 , Y10S430/106
摘要： Disclosed is an electrophotographic photoreceptor comprising an electrically conductive support and thereon formed a light-sensitive layer containing a carrier generation material, a carrier transport material and a binder resin, wherein said light-sensitive layer comprises a copolymer having a structural unit represented by Formula B.sub.1 and Formula B.sub.2 ; ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or an aryl group, R.sub.1 and R.sub.2 may combine together to form a cyclic hydrocarbon residue having 4 to 10 carbon atoms, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 independently represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 6 carbon atoms, a cyclic hydrocarbon residue having 4 to 10 carbon atoms, or an aryl group, l, m, p and q independently represent an integer of 1 to 4. The electrophotographic photoreceptor has high sensitivity and high durability.
摘要翻译： 公开了一种电子照相感光体，其包含导电性载体，其上形成含有载体生成材料，载体传输材料和粘合剂树脂的感光层，其中所述感光层包含具有由式B1表示的结构单元的共聚物 和式B2; 式B1其中R 1和R 2独立地表示氢原子，具有1至6个碳原子的烷基或芳基，R 1和R 2可以结合在一起形成具有4至 10个碳原子，R 3，R 4，R 5和R 6独立地表示氢原子，卤素原子，碳原子数1〜6的烷基，碳原子数4〜10的环状烃基或芳基， ，p和q独立地表示1〜4的整数。电子照相感光体的灵敏度高，耐久性高。
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公开(公告)号：US5591558A
公开(公告)日：1997-01-07
申请号：US604082
申请日：1996-02-20
申请人： Hiroshi Yamazaki , Takeo Oshiba , Yoshihiko Etoh
发明人： Hiroshi Yamazaki , Takeo Oshiba , Yoshihiko Etoh
CPC分类号： G03G5/0503 , G03G13/08 , G03G5/047 , G03G5/0592 , G03G9/08704
摘要： An electrostatic image forming method is disclosed. The photoreceptor containing an organic photosensitive material has a layer containing fine particles at the photoreceptor surface; toner has at least binder resin, coloring agent, and releasing agent made of polyolefines in which the ratio, Mz/Mn, is is 3-20, and Mz is 20,000-70,000 wherein Mz is Z-average molecular weight in terms of polypropylene and Mn is the number average molecular weight in terms of polypropylene. No offset phenomenon occurs, and a stable image having no fogging and no black-spots can be formed for a long period of time by the invention.
摘要翻译： 公开了静电图像形成方法。 含有有机感光材料的感光体在感光体表面具有含有微粒子的层; 调色剂至少具有粘合剂树脂，着色剂和由聚烯烃制成的脱模剂，其中Mz / Mn比为3-20，Mz为20,000-70,000，其中Mz是以聚丙烯换算的Z平均分子量， Mn是以聚丙烯换算的数均分子量。 不发生偏移现象，并且通过本发明可以长时间形成不具有起雾和无黑点的稳定图像。
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公开(公告)号：US4952470A
公开(公告)日：1990-08-28
申请号：US180816
申请日：1988-04-21
申请人： Kiyoshi Tamaki , Koichi Kudoh , Yoshihiko Etoh , Yoshiaki Takei
发明人： Kiyoshi Tamaki , Koichi Kudoh , Yoshihiko Etoh , Yoshiaki Takei
CPC分类号： G03G5/0638 , G03G5/0514 , G03G5/0517 , G03G5/0521 , G03G5/0607 , G03G5/0609 , G03G5/0637 , G03G5/0651 , G03G5/0661 , Y10S430/103
摘要： An electrophotographic photosensitive member having improved anti-oxidation properties by ozone, comprising a conductive substrate, disposed thereon, a photosensitive layer which includes, as principal constituents, a charge generating material and a charge transporting material, wherein the photosensitive layer contains at least one type of compound selected from a group of those represented by any of the following [A] through [D]:[A] Compounds represented by the following general formula [I]; ##STR1## [B] Bisspiroindene compounds represented by the following general formula [II]; ##STR2## [C] Bisspiroindene compounds represented by the following general formula [III]; ##STR3## [D] Compounds having in the molecular structure thereof at least one structure selected from the following groups; ##STR4## [wherein R represents a hydrogen atom, or organic substituent group.]
摘要翻译： PCT No.PCT / JP87 / 00489 Sec。 371日期：1988年4月21日 102（e）日期1988年4月21日PCT提交1987年7月9日PCT公布。 第WO88 / 00725号公报 日本1988年1月28日。一种电子照相感光构件，其具有由臭氧提高的抗氧化性能，其中包括导电性基材，其上设置有作为主要成分的电荷产生材料和电荷输送材料的感光层，其中， 感光层含有选自下列[A]至[D]中任一项所示的那些化合物中的至少一种化合物：[A]由以下通式[I]表示的化合物。 通式[IMAGE] [I] [B]由以下通式[II]表示的双辛螺烯化合物; [II] [C]由以下通式[III]表示的双螺环茚化合物; [III] [D]具有分子结构的化合物中至少一种选自下列基团的结构： 结构式（a）结构式（b）
结构式（c）[式中，R表示氢原子或有机取代基。 -
8.发明授权Image forming method using an imidazole-perylene electrophotographic photoreceptor 失效使用咪唑 - 苝电子照相感光体的成像方法
公开(公告)号：US5589314A
公开(公告)日：1996-12-31
申请号：US490781
申请日：1995-06-15
申请人： Yoshihiko Etoh , Takeo Oshiba , Asao Matsushima , Hirofumi Hayata , Tomoo Sakimura , Tomoko Suzuki , Akira Kinoshita
发明人： Yoshihiko Etoh , Takeo Oshiba , Asao Matsushima , Hirofumi Hayata , Tomoo Sakimura , Tomoko Suzuki , Akira Kinoshita
CPC分类号： G03G13/22 , G03G5/0517 , G03G5/0521 , G03G5/0614 , G03G5/0659 , Y10S430/103
摘要： Disclosed is an image forming method using an electrophotographic photoreceptor comprising the steps of:(1) charging the electrophotographic photoreceptor, wherein said electrophotographic photoreceptor comprising a conductive support and provided thereon, a carrier generation layer and a carrier transportation layer, said carrier generation layer comprising a carrier generation material represented by formula 1 or 2 and having X-ray diffraction pattern having peaks at 6.3.degree..+-.0.2.degree., 12.4.degree..+-.0.2.degree., 25.3.degree..+-.0.2.degree. and 27.1.degree..+-.0.2.degree. in Bragg angle (2.theta.) when using Cu-K.alpha. ray as a X-ray radiation source in which said peak of 12.4.degree..+-.0.2.degree. has a maximum intensity and has a half width of 0.65.degree. or more; no peak being present at 11.5.degree..+-.0.2.degree.,(2) imagewise exposing the charged photoreceptor for an exposure time of 1.times.10.sup.-4 to 3.times.10.sup.-2 seconds,(3) developing the imagewise exposed photoreceptor to form an image, and(4) transferring the formed image to an image receiving material: ##STR1##
摘要翻译： 公开了一种使用电子照相感光体的图像形成方法，包括以下步骤：（1）对电子照相感光体进行充电，其中所述电子照相感光体包括导电性支持体，其上设置有载体产生层和载流子输送层，所述载体生成层包含 由式1或2表示的载体产生材料，具有在6.3°±0.2°，12.4°±0.2°，25.3°±0.2°和27.1°±0.2°的峰值的X射线衍射图 当使用Cu-Kα射线作为X射线辐射源时，Bragg角（2θ）为DEG，其中所述12.4°±0.2°的峰具有最大强度并且具有0.65°以上的半宽度; 在11.5°±0.2°没有峰存在，（2）使带电感光体成像曝光1×10 -4至3×10 -2秒的曝光时间，（3）显影图像曝光的感光体以形成图像，并且 4）将形成的图像传送到图像接收材料：
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公开(公告)号：US4888262A
公开(公告)日：1989-12-19
申请号：US180973
申请日：1988-04-21
申请人： Kiyoshi Tamaki , Koichi Kudoh , Yoshihiko Etoh , Yoshiaki Takei
发明人： Kiyoshi Tamaki , Koichi Kudoh , Yoshihiko Etoh , Yoshiaki Takei
IPC分类号： G03G5/05
CPC分类号： G03G5/0521 , G03G5/0517 , Y10S430/103
摘要： An image forming method which employs an electro-photographic photoreceptor having high sensitivity, high resistance to damage, high durability, and high resistance to ozone oxidation. The method comprises charging the surface of the photoreceptor with positive charge, the photoreceptor including a photoconductive base, a photoreceptive layer formed on the base and consisting of at least a layer having a charge transport function and a layer having a charge generating function, and a resin-containing non-photoreceptive layer formed on the photoreceptive layer as required, and in which one layer placed above the layer having a charge transport function contains an antioxidizing agent, forming an electrostatic latent image on the surface of the photoreceptor by image-like exposure, then developing the electrostatic latent image.
摘要翻译： PCT No.PCT / JP87 / 00490 Sec。 371日期：1988年4月21日 102（e）日期1988年4月21日PCT提交1987年7月9日PCT公布。 公开号WO88 / 00726 日期：1988年1月28日。一种图像形成方法，其采用具有高灵敏度，高耐损伤性，高耐久性和高耐臭氧氧化性的电照相感光体。 该方法包括以正电荷对感光体的表面进行充电，感光体包括光导基体，形成在基底上的感光层，至少由具有电荷传输功能的层和具有电荷产生功能的层组成， 根据需要在感光层上形成的含有树脂的非感光层，并且其中放置在具有电荷传输功能的层之上的一层包含抗氧化剂，通过图像样曝光在感光体的表面上形成静电潜像 ，然后显影静电潜像。
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公开(公告)号：US5403691A
公开(公告)日：1995-04-04
申请号：US50512
申请日：1993-04-20
申请人： Takeo Oshiba , Yoshihiko Etoh , Yoshiaki Takei
发明人： Takeo Oshiba , Yoshihiko Etoh , Yoshiaki Takei
CPC分类号： G03G5/0679 , G03G5/0614
摘要： Disclosed is a method for preparing an electrophotographic photoreceptor comprising the steps of:(a) preparing a dispersion solution comprising a carrier generation material, a binder resin and an organic solvent; and(b) coating said dispersion solution on a conductive support; wherein said carrier generation material is a fluorenone type bisazo pigment represented by Formula F.sub.1, and main component of said organic solvent is selected from the group consisting of a ketone type solvent, an ester type solvent and an alcohol type each having a branched alkyl group: ##STR1## wherein X.sub.1, X.sub.2, p, q, and A, are defined as in the Specification.
摘要翻译： 公开了一种制备电子照相感光体的方法，包括以下步骤：（a）制备包含载体产生材料，粘合剂树脂和有机溶剂的分散溶液; 和（b）将所述分散液涂覆在导电载体上; 其中所述载体产生材料是由式F1表示的芴酮型双偶氮颜料，所述有机溶剂的主要组分选自酮类溶剂，酯型溶剂和各自具有支链烷基的醇类： 其中X1，X2，p，q和A如本说明书中所定义。
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