公开(公告)号：US5842097A

公开(公告)日：1998-11-24

申请号：US640107

申请日：1996-04-30

申请人： Makoto Kanbayashi ,  Ryoichi Fujita

发明人： Makoto Kanbayashi ,  Ryoichi Fujita

IPC分类号： G03G7/00 ,  G03G13/16 ,  G03G15/16

CPC分类号： G03G7/00 ,  G03G13/16 ,  G03G15/16 ,  G03G7/004 ,  G03G7/0086 ,  Y10S428/914

摘要： An image forming method, including the steps of: forming a toner image with a toner having toner particles and an external additive on a surface of a first image-carrying member which includes a support and a lamination layer disposed thereon containing a peeling layer, fixing the toner image on the surface of the peeling layer of the first image-carrying member to form a fixed image, peeling the peeling layer having the fixed image from the first image-carrying member, and transferring the fixed image on the peeling layer onto a second image-carrying member while swelling the peeling layer, wherein the lamination layer has at least the peeling layer and an adhesive layer, the peeling layer at least including a transfer layer and having an area expansion ratio of 102-106%. The transfer layer may preferably be a composition containing a high-saponified polyvinyl alcohol having a saponification degree of at least 90% and a low-saponified polyvinyl alcohol having a saponification degree of below 90%. The binder resin may preferably be polyester resin having an acid value of 2-25 mg KOH/g. The peeling layer having an appropriate area expansion ratio (102-106%, preferably 102-105%) is effective in allowing quick and uniform peeling thereof from the fixed image.

摘要翻译： 一种图像形成方法，包括以下步骤：在具有调色剂颗粒的调色剂和外部添加剂的第一图像承载构件的表面上形成调色剂图像，所述第一图像承载构件包括支撑体和设置在其上的层压层，所述层压层包含剥离层，固定 在第一图像承载构件的剥离层的表面上的调色剂图像以形成固定图像，从第一图像承载构件剥离具有固定图像的剥离层，并将固定图像在剥离层上转印到 第二图像承载构件，同时使剥离层溶胀，其中层压层至少具有剥离层和粘合剂层，剥离层至少包括转印层，并且具有102-106％的面积膨胀率。 转印层可优选为含有皂化度为至少90％的高皂化聚乙烯醇和皂化度低于90％的低皂化聚乙烯醇的组合物。 粘合剂树脂可以优选为酸值为2-25mg KOH / g的聚酯树脂。 具有合适的面积膨胀率（102-106％，优选为102-105％）的剥离层对于固定图像的快速均匀剥离是有效的。

公开(公告)号：US06312862B1

公开(公告)日：2001-11-06

申请号：US09434401

申请日：1999-11-05

申请人： Kenji Okado ,  Ryoichi Fujita ,  Yushi Mikuriya ,  Shinya Yachi ,  Kazumi Yoshizaki

发明人： Kenji Okado ,  Ryoichi Fujita ,  Yushi Mikuriya ,  Shinya Yachi ,  Kazumi Yoshizaki

IPC分类号： G03G9113

CPC分类号： G03G9/097 ,  G03G9/0819 ,  G03G9/10 ,  G03G9/107 ,  G03G9/113

摘要： A two-component type developer has a negatively chargeable toner having toner particles and an external additive and a magnetic-fine-particle-dispersed resin carrier. The magnetic-fine-particle-dispersed resin carrier has composite particles containing at least inorganic compound particles and a binder resin. The inorganic compound particles have been surface-treated with a lipophilic-treating agent having at least one type of functional group (A) selected from the group consisting of an epoxy group, an amino group, a mercapto group, an organic acid group, an ester group, a ketone group, an alkyl halide group and an aldehyde group, or a mixture of the agent. The composite particles have been surface-coated with at least one type of coupling agent having at least one type of functional group (B) different from the functional group (A) the lipophilic-treating agent. The functional group (B) the coupling agent has being a functional group or groups selected from the group consisting of an epoxy group, an amino group and a mercapto group. The negatively chargeable toner has a weight-average particle diameter of from 3 &mgr;m to 9 &mgr;m.

摘要翻译： 双组分型显影剂具有带负电荷的调色剂，其具有调色剂颗粒和外部添加剂和磁性微粒分散树脂载体。 磁性粒子分散树脂载体具有至少含有无机化合物粒子和粘合剂树脂的复合粒子。 无机化合物颗粒已经用具有至少一种选自环氧基，氨基，巯基，有机酸基，官能团（A）中的至少一种官能团（A）的亲脂性处理剂进行表面处理 酯基，酮基，烷基卤基和醛基，或者该试剂的混合物。 复合颗粒已经用至少一种类型的具有至少一种类型的官能团（B）的不同于亲脂性处理剂的官能团（A）的偶联剂进行表面涂覆。 官能团（B）偶联剂是选自环氧基，氨基和巯基的官能团或基团。 负带电性调色剂的重均粒径为3〜9μm。

公开(公告)号：US6137977A

公开(公告)日：2000-10-24

申请号：US99136

申请日：1998-06-18

申请人： Kenji Okado ,  Ryoichi Fujita ,  Masanori Shida ,  Kazumi Yoshizaki

发明人： Kenji Okado ,  Ryoichi Fujita ,  Masanori Shida ,  Kazumi Yoshizaki

IPC分类号： G03G9/08 ,  G03G9/097 ,  G03G9/10 ,  G03G9/107 ,  G03G15/08

CPC分类号： G03G9/107 ,  G03G15/0853 ,  G03G9/0819 ,  G03G9/09708 ,  G03G9/10

摘要： In the image forming machine of the invention, a two-component type developer has a spherical magnetic powder dispersion type carrier, which has a weight average particle diameter of from 15 to 60 .mu.m. The external additive is present in the form of particles on the toner particle, and comprises inorganic oxide fine particles A having a shape factor SF-1 of from 100 to 130, and non-spherical inorganic oxide fine particles B, having a shape factor SF-1 larger than 150 and particles B having been obtained by combining a plurality of component particles.

摘要翻译： 在本发明的成像机中，双组分型显影剂具有球形磁粉分散型载体，其重均粒径为15至60μm。 外部添加剂以调色剂颗粒上的颗粒形式存在，并且包含形状因子SF-1为100至130的无机氧化物细颗粒A和具有形状因子SF的非球形无机氧化物细颗粒B -1大于150，颗粒B通过组合多个组分颗粒而获得。

公开(公告)号：US5750298A

公开(公告)日：1998-05-12

申请号：US815921

申请日：1997-03-13

申请人： Makoto Kanbayashi ,  Ryoichi Fujita

发明人： Makoto Kanbayashi ,  Ryoichi Fujita

IPC分类号： G03G9/087 ,  G03G9/09

CPC分类号： G03G9/0922 ,  G03G9/08755

摘要： A yellow toner for developing an electrostatic image contains yellow color toner particles having at least a binder resin and a yellow colorant, and an external additive. The binder resin has a polyester resin having an acid value of from 2 mg KOH/g to 25 mg KOH/g and a glass transition temperature of from 52.degree. C. to 65.degree. C. The yellow colorant is a compound represented by the following Formula (I): ##STR1## The external additive is composed of a fine titanium oxide powder or fine aluminum oxide powder subjected to hydrophobic treatment. The powder has an average primary particle diameter of from 0.01 .mu.m to 2 .mu.m. The yellow toner has a weight average particle diameter of from 3.0 .mu.m to 15.0 .mu.m.

摘要翻译： 用于显影静电图像的黄色调色剂包含至少具有粘合剂树脂和黄色着色剂的黄色调色剂颗粒和外部添加剂。 粘合剂树脂具有酸值为2mg KOH / g至25mgKOH / g，玻璃化转变温度为52℃至65℃的聚酯树脂。黄色着色剂为下列化合物： 式（I）：（I）外用添加剂由经过疏水处理的氧化钛粉末或氧化铝微粉末构成。 该粉末的平均一次粒径为0.01μm〜2μm。 黄色调色剂的重均粒径为3.0〜15.0μm。

公开(公告)号：US6077635A

公开(公告)日：2000-06-20

申请号：US99527

申请日：1998-06-18

申请人： Kenji Okado ,  Ryoichi Fujita ,  Wakashi Iida ,  Yuji Moriki ,  Kazumi Yoshizaki ,  Michihisa Magome

发明人： Kenji Okado ,  Ryoichi Fujita ,  Wakashi Iida ,  Yuji Moriki ,  Kazumi Yoshizaki ,  Michihisa Magome

IPC分类号： G03G9/08 ,  G03G9/097 ,  G03G13/01

CPC分类号： G03G9/0827 ,  G03G9/0819 ,  G03G9/09708

摘要： A toner is disclosed which has toner particles and an external additive. The toner has (a) in circularity distribution of particles measured with a flow type particle image analyzer, an average circularity of from 0.920 to 0.995, containing particles with a circularity of less than 0.950 in an amount of from 2% by number to 40% by number; and (b) a weight-average particle diameter of from 2.0 .mu.m to 9.0 .mu.m as measured by Coulter method. The external additive has, on the toner particles, at least (i) an inorganic fine powder (A) present in the state of primary particles or secondary particles and having an average particle length of from 10 m.mu.m to 400 m.mu.m and a shape factor SF-1 of from 100 to 130 and (ii) a non-spherical inorganic fine powder (B) formed by coalescence of a plurality of particles and having a shape factor SF-1 of greater than 150. Also, a two-component developer and an image forming method, using the toner, are disclosed.

摘要翻译： 公开了一种具有调色剂颗粒和外部添加剂的调色剂。 调色剂具有（a）以流动型颗粒图像分析仪测量的颗粒的圆形分布，平均圆形度为0.920至0.995，其中圆形度小于0.950的颗粒的量为2％至40％ 按数量 （b）通过Coulter法测定的重均粒径为2.0μm〜9.0μm。 外部添加剂在调色剂颗粒上至少存在（i）以一次粒子或二次粒子状态存在的平均粒子长度为10μm〜400μm的无机细粉末（A）， 100〜130的形状因子SF-1和（ii）通过多个粒子的聚结而形成的非球形的无机细粉末（B），并且具有大于150的形状因子SF-1。另外， - 组分显影剂和使用调色剂的图像形成方法。

公开(公告)号：US5885742A

公开(公告)日：1999-03-23

申请号：US943698

申请日：1997-10-03

申请人： Kenji Okado ,  Toshiyuki Ugai ,  Ryoichi Fujita ,  Tsuyoshi Takiguchi

发明人： Kenji Okado ,  Toshiyuki Ugai ,  Ryoichi Fujita ,  Tsuyoshi Takiguchi

IPC分类号： G03G9/113

CPC分类号： G03G9/1136 ,  G03G9/1139

摘要： A carrier for electrophotography has carrier particles. Each carrier particle has a carrier core and a silicone resin coat layer that covers the carrier core. The carrier particle has silicon atoms and carrier atoms on its surface in the ratio that satisfies the condition of Si/C=0.1 to 2.0 as the number of atoms present on the carrier particle surface as measured by X-ray photoelectron spectroscopy, and from 0.1% by number to 5% by number of metal atoms are present on the carrier particle surface. Additionally, there is a two-component developer for developing electrostatic images which consists of a toner and the carrier. An image forming method in which the two-component developer having the toner and the carrier is transported to a developing zone which is defined by a latent image carried on a latent image bearing member to develop the latent image. A voltage is applied to the developer to direct the toner from the latent image bearing member to a member carrying the developer. A second voltage directs the toner from the developer toward the latent image and a third voltage developer the latent image using the toner of the two-component developer.

摘要翻译： 电子照相用载体具有载体颗粒。 每个载体颗粒具有载体芯和覆盖载体芯的硅树脂涂层。 载体颗粒的表面上具有硅原子和载体原子，其比例满足Si / C = 0.1〜2.0的条件，作为通过X射线光电子能谱测定的载体颗粒表面上存在的原子数，0.1 在载体颗粒表面上存在数量％至5％的金属原子数。 此外，存在用于显影静电图像的双组分显影剂，其由调色剂和载体组成。 一种图像形成方法，其中具有调色剂和载体的双组分显影剂被输送到由承载在潜像承载部件上的潜像所限定的显影区域以显影潜像。 向显影剂施加电压以将调色剂从潜像承载部件引导到携带显影剂的部件上。 第二电压使用双组分显影剂的调色剂将调色剂从显影剂引导到潜像，第三电压显影剂潜像。

公开(公告)号：US5733702A

公开(公告)日：1998-03-31

申请号：US417227

申请日：1995-04-05

申请人： Kenji Okado ,  Toshiyuki Ugai ,  Ryoichi Fujita ,  Tsuyoshi Takiguchi ,  Yasuhiro Ichikawa

发明人： Kenji Okado ,  Toshiyuki Ugai ,  Ryoichi Fujita ,  Tsuyoshi Takiguchi ,  Yasuhiro Ichikawa

IPC分类号： G03G9/097 ,  G03G21/00

CPC分类号： G03G9/09708 ,  G03G9/097 ,  G03G9/09716

摘要： An image forming method is conducted by forming a toner image on a latent image bearing member containing an organic photoconductive material. The latent image bearing member includes a photosensitive layer containing an organic photoconductive material and a protective layer which contains fluorine-containing resin particles in an amount from 5% by weight to 40% by weight. The toner contains toner particles and external additives. The external additives include titanium oxide particles having a weight average particle diameter from 0.01 .mu.m to 0.2 .mu.m having been subjected to hydrophobic treatment, organic resin particles having a weight average particle diameter from 0.02 .mu.m to 0.5 .mu.m, and inorganic compound particles having a weight average particle diameter from 0.5 .mu.m to 2.5 m. The inorganic compound particles may be specific titanates, oxides or carbonate. The external additives are added in an amount satisfying the relationship: (A):(B)=2:1 to 10:1 (A):(C)=1:1 to 5:1 The toner contains toner particles having a particle diameter from 2 .mu.m to 5 .mu.m in an amount from 15% by number to 40% by number. The toner image is transferred to a transfer medium and the latent image bearing member is then cleaned.

摘要翻译： 通过在包含有机光电导材料的潜像承载部件上形成调色剂图像来进行成像方法。 潜像承载部件包括含有有机光导材料的感光层和含有5重量％至40重量％的含氟树脂颗粒的保护层。 调色剂含有调色剂颗粒和外部添加剂。 外部添加剂包括经过疏水处理的重均粒径为0.01μm〜0.2μm的二氧化钛粒子，重均粒径为0.02μm〜0.5μm的有机树脂粒子，无机化合物粒子 重均粒径为0.5〜2.5μm。 无机化合物颗粒可以是特定的钛酸盐，氧化物或碳酸盐。 外加剂的添加量满足以下关系：（A）：（B）= 2：1〜10：1（A）：（C）= 1：1〜5：1调色剂含有调色剂颗粒， 从2亩到5亩，数量从15％增加到40％。 将调色剂图像转印到转印介质上，然后清洁潜像承载部件。

公开(公告)号：US5637432A

公开(公告)日：1997-06-10

申请号：US395645

申请日：1995-02-28

申请人： Kenji Okado ,  Toshiyuki Ugai ,  Ryoichi Fujita ,  Tsuyoshi Takiguchi ,  Yasuhiro Ichikawa

发明人： Kenji Okado ,  Toshiyuki Ugai ,  Ryoichi Fujita ,  Tsuyoshi Takiguchi ,  Yasuhiro Ichikawa

IPC分类号： G03G9/097 ,  G03G9/00

CPC分类号： G03G9/09708 ,  G03G9/097 ,  G03G9/09716

摘要： The present invention provides a toner for developing an electrostatic image, comprising toner particles and external additives, wherein;said external additives comprise (A) titanium oxide particles having a weight average particle diameter of from 0.01 .mu.m to 0.2 .mu.m, having been subjected to hydrophobic treatment, (B) organic resin particles having a weight average particle diameter of from 0.02 .mu.m to 0.5 .mu.m and (C) an inorganic compound having a weight average particle diameter of from 0.5 .mu.m to 2.5 .mu.m; said external additives being added in an amount satisfying the relationship:(A):(B)=2:1 to 10:1(A):(C)=1:1 to 5:1; andsaid toner contains toner particles having a particle diameter of from 2 .mu.m to 5 .mu.m in an amount of from 15% by number to 40% by number.

摘要翻译： 本发明提供一种用于显影静电图像的调色剂，其包含调色剂颗粒和外部添加剂，其中： 所述外用添加剂包含（A）重均粒径为0.01μm〜0.2μm的氧化钛粒子，经过疏水处理后，（B）重均粒径为0.02μm的有机树脂粒子 至（C）重均粒径为0.5μm〜2.5μm的无机化合物; 所述外部添加剂的添加量满足以下关系：（A）：（B）= 2：1〜10：1（A）：（C）= 1：1〜5：1; 所述调色剂含有15〜40个数量的粒径为2〜5μm的调色剂颗粒。

公开(公告)号：US5604071A

公开(公告)日：1997-02-18

申请号：US393041

申请日：1995-02-23

申请人： Kenji Okado ,  Ryoichi Fujita ,  Tsuyoshi Takiguchi

发明人： Kenji Okado ,  Ryoichi Fujita ,  Tsuyoshi Takiguchi

IPC分类号： C09C1/36 ,  G03G9/087 ,  G03G9/097 ,  G03G9/08

CPC分类号： B82Y30/00 ,  C09C1/3684 ,  G03G9/08755 ,  G03G9/09716 ,  C01P2002/02 ,  C01P2002/84 ,  C01P2004/10 ,  C01P2004/32 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2004/80 ,  C01P2004/84 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/60 ,  C01P2006/90

摘要： The toner for developing an electrostatic image, excellent in any environmental conditions, comprises the colorant-containing resin particles and at least one kind of fine titanium oxide powder which has been made hydrophobic by treating in an aqueous medium; the fine titanium oxide powder has an average particle diameter of from 0.001 .mu.m to 0.2 .mu.m and a hydrophobicity of from 20% to 80%.

摘要翻译： 用于显影静电图像的调色剂在任何环境条件下都是优异的，包括含着色剂的树脂颗粒和至少一种通过在水介质中处理而疏水的氧化钛粉末; 该微细氧化钛粉末的平均粒径为0.001μm〜0.2μm，疏水性为20〜80％。

公开(公告)号：US07244539B2

公开(公告)日：2007-07-17

申请号：US10834073

申请日：2004-04-29

申请人： Yoshinobu Baba ,  Ryoichi Fujita ,  Takaaki Kaya ,  Kazuo Terauchi

发明人： Yoshinobu Baba ,  Ryoichi Fujita ,  Takaaki Kaya ,  Kazuo Terauchi

IPC分类号： G03G9/113

CPC分类号： G03G9/1139 ,  G03G9/107 ,  G03G9/1075 ,  G03G9/1134 ,  G03G9/1138

摘要： A magnetic carrier includes a magnetic material-dispersed resin core containing at least a magnetic material and a binder resin. The surface of the magnetic material-dispersed resin core is coated with a coating material containing at least a fluorine resin and 1 to 40 parts by weight of fine particles based on 100 parts by weight of the fluorine resin. The coating material is in an amount of 0.3 to 4.0 parts by weight based on 100 parts by weight of the magnetic material-dispersed resin core. The magnetic carrier has a contact angle of 95 to 125°. A two-component developer is also provided which makes use of the magnetic carrier.

摘要翻译： 磁性载体包括至少包含磁性材料和粘合剂树脂的磁性材料分散树脂芯。 基于100重量份的氟树脂，磁性材料分散树脂芯的表面涂覆有至少含有氟树脂的涂料和1至40重量份的微粒。 基于100重量份的磁性材料分散树脂核心，涂料的量为0.3〜4.0重量份。 磁性载体的接触角为95〜125°。 还提供了使用磁性载体的双组分显影剂。