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公开(公告)号：US20080220354A1
公开(公告)日：2008-09-11
申请号：US11873353
申请日：2007-10-16
CPC分类号： G03G5/14791 , G03G5/14704 , G03G5/14726 , G03G5/1473 , G03G5/14734
摘要： The surface of a photoconductor is coated with a surface protection layer comprising a cured material of a fluorine-containing photo-curing composition containing fluorinated alkyl group-containing (meth)acrylate and a photopolymerization initiator, and the surface protection layer has a fluorine atom content of 8.5 to 20% by mass.
摘要翻译： 光电导体的表面涂覆有包含含氟化烷基（甲基）丙烯酸酯和光聚合引发剂的含氟光固化组合物的固化物的表面保护层，表面保护层具有氟原子含量 为8.5〜20质量％。
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公开(公告)号：US20080176163A1
公开(公告)日：2008-07-24
申请号：US12047958
申请日：2008-03-13
IPC分类号： G03G9/10
CPC分类号： G03G9/097 , G03G9/08 , G03G9/09708 , G03G9/09716 , G03G9/09725 , G03G9/09733 , G03G9/09783 , G03G9/09791 , G03G15/0894
摘要： The present invention provides a toner having: a toner mother particle; a first external additive including a first inorganic fine particle having a primary particle size distribution of 200 to 750 nm and a work function approximately equivalent to that of the toner mother particle; a second external additive including a second inorganic fine particle having an mean particle size smaller than that of the first inorganic fine particle and a work function smaller than that of the toner particle, a stirring member of a developing device and/or an inner wall of the developing device; and 0.01% to 0.3% by weight of a metal soap having a work function approximately equivalent to that of the toner mother particle.
摘要翻译： 本发明提供一种调色剂，其具有：调色剂母粒; 第一外部添加剂，其包含初级粒度分布为200〜750nm的第一无机微粒和与调色剂母粒大致相同的功函数; 第二外部添加剂，其包含平均粒度小于第一无机细颗粒的第二无机细颗粒和比调色剂颗粒小的功函数，显影装置的搅拌构件和/或内壁的 显影装置; 和0.01重量％至0.3重量％的功函数大约等于调色剂母粒的功函数。
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73.发明申请Negatively chargeable spherical toner, color image forming apparatus, and process for producing negatively chargeable spherical toner 有权负极性球形调色剂，彩色成像装置和用于制造带负电荷的球形调色剂的方法公开(公告)号：US20060177754A1
公开(公告)日：2006-08-10
申请号：US11336425
申请日：2006-01-20
申请人： Nobuhiro Miyakawa , Toshiaki Yamagami , Ken Ikuma
发明人： Nobuhiro Miyakawa , Toshiaki Yamagami , Ken Ikuma
IPC分类号： G03G9/08
CPC分类号： G03G9/0819 , G03G9/0804 , G03G9/0815 , G03G9/0823 , G03G9/0827 , G03G9/09708 , G03G9/09791
摘要： The present invention provides a negatively chargeable spherical toner having: a toner mother particle having a binder resin and a colorant, which has: a number average particle size of from 4.5 to 9 μm; a particle size distribution that has an integrated value of particle sizes of 3 μm or less of 1% or less; and an average sphericity of from 0.95 to 0.99; and an alumina fine particle externally added to the toner mother particle, which has a number average particle size of from 0.1 to 1.0 μm, wherein a work function (Φt) of the toner mother particle is larger than a work function (ΦA) of the alumina fine particle by at least 0.4 eV.
摘要翻译： 本发明提供了一种带负电荷的球形调色剂，其具有：具有粘合剂树脂和着色剂的调色剂母粒，其数均粒径为4.5至9μm; 具有3μm以下的粒径的积分值为1％以下的粒度分布; 平均球形度为0.95〜0.99; 以及外部添加到调色剂母粒子中的氧化铝细粒，其数均粒径为0.1〜1.0μm，其中调色剂母粒子的功函数（Phi
t）大于 氧化铝细颗粒的功函数（PhiA）至少为0.4eV。 -
公开(公告)号：US20050287457A1
公开(公告)日：2005-12-29
申请号：US11166052
申请日：2005-06-24
CPC分类号： G03G9/09716 , G03G9/09708 , G03G2215/0614 , G03G2221/1606
摘要： The present invention provides An image forming apparatus having: a negatively chargeable spherical toner; an latent image carrier; a charging member for charging a surface of the latent image carrier uniformly without contacting the latent image carrier; an electrostatic latent image forming member for forming an electrostatic latent image on the surface of the latent image carrier; a developing member for developing the electrostatic latent image, without contacting the latent image carrier, by using the negatively chargeable spherical toner so as to form a toner image on the latent image carrier; and an intermediate transfer medium to which the toner image is transferred, wherein the negatively chargeable spherical toner haves: a toner mother particle having a binder resin and a colorant; and a hydrophobic alumina particle as an external additive, wherein the hydrophobic alumina particle has a work function (ΦA1) larger than a work function (ΦTM) of a surface of the intermediate transfer medium.
摘要翻译： 本发明提供一种图像形成装置，其具有：负电荷球形调色剂; 潜像载体; 充电构件，用于均匀地对潜像载体的表面进行充电而不接触潜像载体; 静电潜像形成部件，用于在潜像载体的表面上形成静电潜像; 用于通过使用可带负电荷的球形调色剂而不与潜像载体接触来显影静电潜像以在潜像载体上形成调色剂图像的显影部件; 以及转印有调色剂图像的中间转印介质，其中所述带负电荷的球形调色剂具有：具有粘合剂树脂和着色剂的调色剂母粒; 和疏水性氧化铝颗粒作为外部添加剂，其中所述疏水性氧化铝颗粒具有比所述表面的功函数（PhiMAX）大的功函数（PhiA SUB） 中间转印介质。
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公开(公告)号：US20050214668A1
公开(公告)日：2005-09-29
申请号：US11089422
申请日：2005-03-23
申请人： Nobuhiro Miyakawa , Ken Ikuma
发明人： Nobuhiro Miyakawa , Ken Ikuma
CPC分类号： G03G9/09791 , G03G9/0827 , G03G9/09708 , G03G9/09725
摘要： The present invention provides a toner including: a toner mother particle; an amorphous fine particle; a monodisperse spherical silica; and a metal soap, wherein the amorphous particle has the same polarity as the toner mother particle, a volume mean particle size of 0.1 times or less that of the toner mother particle, and a work function larger than that of a cleaning blade of a developing device, wherein an average sphericity of the toner L0/L1 is from 0.970 to 0.985, provided that L1 represents a circumferential length (μm) of a projected image of the toner particle, and L0 represents a circumferential length (μm) of a true circle having an area equal to that of the projected image of the toner particle.
摘要翻译： 本发明提供一种调色剂，其包括：调色剂母粒; 无定形细颗粒; 单分散球形二氧化硅; 和金属皂，其中所述无定形颗粒具有与调色剂母粒相同的极性，体积平均粒度为调色剂母粒的体积平均粒径的0.1倍以下，功函数大于显影剂的清洁片的功函数 装置，其中调色剂L 0 / L 1 N的平均球形度为0.970至0.985，条件是L 1表示圆周长度（ 妈妈）调色剂颗粒的投影图像，并且L 0表示具有与调色剂颗粒的投影图像的面积相等的面积的真圆的圆周长度（mum）。
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76.发明授权Electrophotographic process using transfer-type one-component magnetic developer 失效使用转移型单组分磁性显影剂的电子照相法
公开(公告)号：US4495268A
公开(公告)日：1985-01-22
申请号：US393802
申请日：1982-06-30
申请人： Nobuhiro Miyakawa
发明人： Nobuhiro Miyakawa
CPC分类号： G03G9/0833 , G03G9/0835 , G03G9/0838 , Y10S430/104
摘要： Disclosed is a transfer-type one-component dry magnetic developer which comprises a binder medium having a high electric resistance and particles of triiron tetroxide of an isometric system having a particle size of 0.25 to 1 micron and a coercive force of 30 to 80 Oe, in which the triiron tetroxide particles are dispersed in the binder medium.This developer provides a transferred image excellent in the density, sharpness and clarity on a plain paper as a transfer sheet in the electrostatic photography.
摘要翻译： 公开了一种转印型单组分干磁显影剂，其包含具有高电阻的粘合剂介质和等离子体系的四氧化三铁颗粒，其粒度为0.25至1微米，矫顽力为30至80Oe， 其中四氧化三铁颗粒分散在粘合剂介质中。 该显影剂提供了在静电摄影中作为转印纸的普通纸上的密度，清晰度和透明度优异的转印图像。
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公开(公告)号：US4492746A
公开(公告)日：1985-01-08
申请号：US403855
申请日：1982-07-30
IPC分类号： C08G63/193 , C08G63/199 , C08G63/54 , G03G5/05 , G03G5/07
CPC分类号： C08G63/193 , C08G63/199 , C08G63/54 , G03G5/056 , G03G5/07
摘要： Disclosed is a photosensitive material for electrophotography comprising an organic polymeric photoconductive material and a thermoplastic polyester composed mainly of recurring units represented by the general formula ##STR1## wherein R.sup.1 represents a phenylene, ethylene or vinylene group, R.sup.2 represents a group of the formula ##STR2## R.sup.3 represents a direct bond or a divalent bridging atom or group, and the ring A may have a substituent inert to the polyester-forming reaction, provided that R.sup.1 and R.sup.2 are selected such that one of them contains an aromatic ring and the other does not.
摘要翻译： 公开了用于电子照相的感光材料，其包含有机聚合物光电导材料和主要由通式（IMAGE）表示的重复单元组成的热塑性聚酯，其中R1表示亚苯基，亚乙基或亚乙烯基，R2表示下式的基团：IMAGE R3表示直接键或二价桥连原子或基团，并且环A可具有对形成聚酯的反应惰性的取代基，条件是选择R1和R2使得 其中一个包含一个芳香环，另一个不含。
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78.发明授权
公开(公告)号：US4459336A
公开(公告)日：1984-07-10
申请号：US506227
申请日：1983-06-23
申请人： Nobuhiro Miyakawa
发明人： Nobuhiro Miyakawa
CPC分类号： B41M5/30 , Y10S428/913 , Y10T428/25
摘要： Disclosed is a heat-sensitive color-forming recording material which comprises a recording layer comprising a particulate phenolic color developer and a particulate leuco pigment, which are dispersed in a binder independently from each other, wherein the phenolic color developer and/or leuco pigment is present in the form of compatible solid particles with a substantially inactive organic solid medium having a melting or softening point lower than that of the phenolic color developer and/or leuco pigment and said organic solid medium is present in said compatible solid particles in an amount 2 to 250 times as large as the amount of the phenolic color developer and/or leuco pigment on the weight base.This heat-sensitive color-forming recording material is highly sensitized without substantial increase of the fog density.
摘要翻译： 公开了一种热敏成色记录材料，其包括分散在彼此独立的粘合剂中的颗粒状酚醛显影剂和颗粒状无色颜料的记录层，其中酚颜色显影剂和/或无色颜料为 以相容的固体颗粒的形式存在，其具有熔点或软化点低于酚颜色显影剂和/或无色颜料的熔点或软化点的基本上无活性的有机固体介质，并且所述有机固体介质以2的量存在于所述相容的固体颗粒中 是酚醛显影剂和/或无色颜料在重量基础上的量的250倍。 这种热敏成色记录材料在雾度密度显着增加的情况下是高度敏化的。
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公开(公告)号：US4414322A
公开(公告)日：1983-11-08
申请号：US341820
申请日：1982-01-22
申请人： Nobuhiro Miyakawa , Masanori Fujii , Kouzi Maekawa
发明人： Nobuhiro Miyakawa , Masanori Fujii , Kouzi Maekawa
CPC分类号： G03G9/0837 , G03G9/083 , G03G9/107 , G03G2215/0609
摘要： Disclosed is a two-component type magnetic developer comprising a magnetic carrier consisting of a non-pulverizing agglomerate of cubic particles of magnetite having a particle size of 1 to 14 microns as measured by an electron microscope and a magnetic toner having a high electric resistance and consisting of particles having a particle size of 3 to 30 microns and comprising a binder resin medium and magnetite having a particle size smaller than 1 micron, which is dispersed in the binder resin medium, the magnetic carrier/magnetic toner mixing weight ratio being in the range of from 5/100 to 40/100.
摘要翻译： 公开了一种双组分型磁性显影剂，其包含磁性载体，该磁性载体由电子显微镜测得的粒度为1至14微米的磁铁矿立方颗粒的非粉碎附聚物和具有高电阻的磁性调色剂组成， 由颗粒尺寸为3至30微米的颗粒组成，包含分散在粘合剂树脂介质中的粘合剂树脂介质和粒度小于1微米的磁铁矿，磁性载体/磁性调色剂混合重量比在 范围从5/100到40/100。
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80.发明授权Dry composite blended magnetic developer of resin encapsulated fine magnetite and resin encapsulated coarse magnetite 失效干燥复合混合磁性显影剂树脂封装细磁铁矿和树脂封装粗磁铁矿
公开(公告)号：US4414321A
公开(公告)日：1983-11-08
申请号：US324652
申请日：1981-11-24
申请人： Nobuhiro Miyakawa , Masanori Fujii , Kouzi Maekawa
发明人： Nobuhiro Miyakawa , Masanori Fujii , Kouzi Maekawa
CPC分类号： G03G9/083
摘要： Disclosed is a dry composite magnetic developer consisting essentially of a particulate shaped article of a composition comprising a binder resin medium and a powdery magnetic material dispersed in the binder resin medium, wherein said developer is formed by dry blending (A) a first particulate shaped article comprising a non-pulverizing agglomerate of cubic particles of magnetite having a number average particle size of 1 to 10 .mu.m as measured by an electron microscope with (B) a second particulate shaped article comprising magnetite particles having a particle size of 0.2 to 1 .mu.m at an (A)/(B) weight ratio of from 95/5 to 10/90, especially from 95/5 to 30/70.
摘要翻译： 公开了一种干复合磁性显影剂，其基本上由包含粘合剂树脂介质和分散在粘合剂树脂介质中的粉末状磁性材料的组合物的颗粒成型制品组成，其中所述显影剂通过干混（A）第一颗粒成形制品 包括通过电子显微镜测定的数均粒径为1〜10μm的磁铁矿的立方粒子的非粉碎团聚物，（B）包含粒径为0.2〜1μm的磁铁矿颗粒的第2粒状成形体 （A）/（B）重量比为95/5至10/90，特别是95/5至30/70。
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