公开(公告)号：US07049039B2

公开(公告)日：2006-05-23

申请号：US10151140

申请日：2002-05-21

申请人： Yayoi Tazawa ,  Yasukazu Ayaki

发明人： Yayoi Tazawa ,  Yasukazu Ayaki

IPC分类号： G03G9/09 ,  C08K5/23 ,  C08K5/09

CPC分类号： C09B67/0013 ,  C09B67/009 ,  G03G9/09 ,  G03G9/0906 ,  G03G9/0975

摘要： A coloring agent for use in toners which comprises coloring particles modified with a surface modifier having in one molecule a hydrophilic moiety, a hydrophobic moiety, and a reactive moiety between the hydrophilic moiety and the hydrophobic moiety. Also disclosed is a toner comprising toner particles containing at least a binder resin and a coloring agent comprising the above surface-modified coloring particles.

公开(公告)号：US06808855B2

公开(公告)日：2004-10-26

申请号：US10152771

申请日：2002-05-23

申请人： Yasukazu Ayaki ,  Hitoshi Itabashi ,  Yayoi Tazawa

发明人： Yasukazu Ayaki ,  Hitoshi Itabashi ,  Yayoi Tazawa

IPC分类号： G03G9093

CPC分类号： G03G9/0806

摘要： A toner production process comprising the step of polymerizing a polymerizable monomer in the presence of (i) base particles containing at least a binder resin and (ii) a polymerization initiator. The polymerization initiator has in one molecule a hydrophilic moiety and a hydrophobic moiety and a reactive moiety between them, and the base particles are enlarged and/or surface-modified upon polymerization of the polymerizable monomer. Also disclosed is a toner having a circularity of from 0.92 to 1.0, which is produced by this process.

摘要翻译： 一种调色剂生产方法，包括在（i）至少含有粘合剂树脂的基础颗粒和（ii）聚合引发剂的存在下聚合可聚合单体的步骤。 聚合引发剂在一个分子中具有亲水部分和疏水部分以及它们之间的反应性部分，并且在可聚合单体聚合时碱基颗粒被扩大和/或表面改性。 还公开了通过该方法生产的具有0.92至1.0的圆形度的调色剂。

公开(公告)号：US06566028B2

公开(公告)日：2003-05-20

申请号：US09819067

申请日：2001-07-16

申请人： Yayoi Tazawa ,  Takeshi Ikeda ,  Yoshinobu Baba ,  Hitoshi Itabashi ,  Yuzo Tokunaga ,  Yasukazu Ayaki

发明人： Yayoi Tazawa ,  Takeshi Ikeda ,  Yoshinobu Baba ,  Hitoshi Itabashi ,  Yuzo Tokunaga ,  Yasukazu Ayaki

IPC分类号： G03G500

CPC分类号： G03G9/0825 ,  G03G9/08773 ,  G03G9/097 ,  G03G9/09775

摘要： A toner is comprised of toner particles composed of at least a binder resin and a clorant, wherein the toner particles each have a coating layer formed on their surfaces in a state of particulate matters being stuck to one another. The particulate matters contains at least a silicon compound.

公开(公告)号：US6124070A

公开(公告)日：2000-09-26

申请号：US400550

申请日：1999-09-21

申请人： Yoshinobu Baba ,  Tetsuro Fukui ,  Hiroshi Aoto ,  Hitoshi Itabashi ,  Yasukazu Ayaki

发明人： Yoshinobu Baba ,  Tetsuro Fukui ,  Hiroshi Aoto ,  Hitoshi Itabashi ,  Yasukazu Ayaki

IPC分类号： G03G9/08 ,  G03G9/087

CPC分类号： G03G9/0819 ,  G03G9/08706 ,  G03G9/08711 ,  G03G9/08795

摘要： The present invention relates to a toner which forms a high quality image, which is stable in various environments, i.e. under high humidity, or low temperature and low humidity conditions, and has a fine particle diameter as well as a sharp particle size distribution, and to a process for producing the same. The toner contains at least a binder resin and a colorant, and has (i) a number average particle diameter of from 0.5 to 6.0 .mu.m, (ii) the coefficient of variation of number distribution of not more than 20%, and (iii) a methanol-soluble resin component in an amount of 0.01-10% based on the weight of the toner, and the methanol-soluble resin component contains a polymer composition having an organic acid group, and an acid value of from 50 to 600 mgKOH/g.

摘要翻译： 本发明涉及形成高质量图像的调色剂，其在各种环境中即在高湿度或低温和低湿度条件下是稳定的，并且具有细的粒径以及尖锐的粒度分布，以及 涉及其制造方法。 调色剂至少含有粘合剂树脂和着色剂，并且（i）数均粒径为0.5〜6.0μm，（ii）数均分布系数不大于20％，（iii） ）基于调色剂重量为0.011-10％的甲醇可溶性树脂组分，并且所述甲醇可溶性树脂组分含有具有有机酸基的聚合物组合物，并且酸值为50至600mgKOH /G。

公开(公告)号：US6106990A

公开(公告)日：2000-08-22

申请号：US362885

申请日：1999-07-29

申请人： Yayoi Tazawa ,  Yoshinobu Baba ,  Hitoshi Itabashi ,  Yuzo Tokunaga ,  Yasukazu Ayaki

发明人： Yayoi Tazawa ,  Yoshinobu Baba ,  Hitoshi Itabashi ,  Yuzo Tokunaga ,  Yasukazu Ayaki

IPC分类号： G03G9/087 ,  G03G9/08

CPC分类号： G03G9/0804

摘要： A process for producing toner particles is conducted by:preparing toner precursor particles containing at least binder resin and coloring agent; andspherizing the toner precursor particles to obtain toner particles;wherein spherizing steps include;(1) dispersing the toner precursor particles in an aqueous medium containing a dispersant, thereby preparing a disperse system (a);(2) dispersing oil droplet particles containing a softening agent into an aqueous medium, thereby preparing a disperse system (b);(3) preparing a mixed disperse system (c) by adding the disperse system (a) to the disperse system (b), and causing the softening agent to be absorbed by the toner precursor particles in the mixed disperse system (c); and(4) removing the softening agent from the toner precursor particles.

摘要翻译： 制造调色剂颗粒的方法是：制备至少含有粘合剂树脂和着色剂的调色剂前体颗粒; 并调色调色剂前体颗粒以获得调色剂颗粒; 其中包括步骤包括： （1）将调色剂前体颗粒分散在含有分散剂的水性介质中，从而制备分散体系（a）; （2）将含有软化剂的油滴颗粒分散在水性介质中，从而制备分散体系（b）; （3）通过向分散系统（b）中加入分散体系（a）制备混合分散系统（c），并使软化剂被混合分散系统（c）中的调色剂前体颗粒吸收; 和（4）从调色剂前体颗粒中除去软化剂。

公开(公告)号：US5948584A

公开(公告)日：1999-09-07

申请号：US81085

申请日：1998-05-19

申请人： Akira Hashimoto ,  Tsutomu Kukimoto ,  Satoshi Yoshida ,  Manabu Ohno ,  Yasukazu Ayaki ,  Satoshi Handa

发明人： Akira Hashimoto ,  Tsutomu Kukimoto ,  Satoshi Yoshida ,  Manabu Ohno ,  Yasukazu Ayaki ,  Satoshi Handa

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  G03G13/22

CPC分类号： G03G9/08795 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/087 ,  G03G9/08755

摘要： A toner for developing electrostatic images is formed from toner particles containing at least a binder resin, a colorant, and a wax. The binder resin comprises a vinyl polymer component and a polyester component. The binder resin contains 40-99 wt. % of a component A, 0-20 wt. % of a component B, and 0-60 wt. % of a component C, the components B and C providing totally 1-60 wt. % of the binder resin. The component A comprises low- and medium-molecular weight components having molecular weights of below 10.sup.6, and the component B comprises high-molecular weight components having molecular weights of at least 106, respectively, based on a chromatogram obtained by gel permeation chromatography of a tetrahydrofuran (THF)-soluble component of the binder resin, and the component C is a THF-insoluble component of the binder resin. The GPC chromatogram of the THF-soluble component of the binder resin exhibits a main peak in a molecular weight region of 3.times.10.sup.3 -5.times.10.sup.4. The toner particles have a shape factor SF-1 of 100-160 and a shape factor SF-2 of 100-140.

摘要翻译： 用于显影静电图像的调色剂由至少含有粘合剂树脂，着色剂和蜡的调色剂颗粒形成。 粘合剂树脂包含乙烯基聚合物组分和聚酯组分。 粘合剂树脂含有40-99wt。 组分A的％，0-20重量％ 组分B的％，和0-60重量％ 组分C的％，组分B和C提供总共1-60重量％ ％的粘合剂树脂。 组分A包含分子量低于106的低分子量组分和中等分子量组分，组分B包含分子量至少为106的高分子量组分，基于通过凝胶渗透色谱法获得的色谱图 四氢呋喃（THF） - 可溶成分的粘合剂树脂，组分C是粘合剂树脂的THF不溶性组分。 粘结剂树脂的THF可溶组分的GPC色谱图在3×103-5×104的分子量区域中显示出主峰。 调色剂颗粒的形状因子SF-1为100-160，形状因子SF-2为100-140。

公开(公告)号：US5744278A

公开(公告)日：1998-04-28

申请号：US835878

申请日：1997-04-08

申请人： Yasukazu Ayaki ,  Takeshi Ikeda ,  Tetsuro Fukui ,  Yoshinobu Baba ,  Hitoshi Itabashi ,  Yayoi Nagao

发明人： Yasukazu Ayaki ,  Takeshi Ikeda ,  Tetsuro Fukui ,  Yoshinobu Baba ,  Hitoshi Itabashi ,  Yayoi Nagao

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/093

CPC分类号： G03G9/08797 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/093 ,  G03G9/09392

摘要： A toner for electrophotography contains at least a colorant and a binder resin, and (i) contains 0.1 to 15 parts by weight of colorant per 100 parts by weight of binder resin, (ii) has a number average particle size of 0.5 to 6.0 .mu.m, (iii) has a coefficient of variation of 20% or less based on a number distribution, and (iv) has a capsule structure containing a shell layer and a core. The toner has solvent-mixture-soluble resin components extracted with a solvent mixture of ethanol and methyl ethyl ketone wherein the maximum glass transition temperature (Tg1) of a first soluble resin component obtained by extracting until 10% by weight of the total weight of the solvent-mixture-soluble resin components, and the maximum glass transition temperature (Tg2) of a second soluble resin component of the remainder satisfy the following relations: Tg1>Tg2 and Tg1.gtoreq.50.degree. C.

摘要翻译： 电子照相用调色剂至少含有着色剂和粘合剂树脂，（i）每100重量份粘合剂树脂含有0.1〜15重量份的着色剂，（ii）数均粒径为0.5〜6.0μm m，（iii）基于数量分布具有20％以下的变异系数，（iv）具有包含壳层和芯的胶囊结构。 调色剂具有用乙醇和甲基乙基酮的溶剂混合物萃取的溶剂混合物可溶性树脂组分，其中通过萃取获得的第一可溶性树脂组分的最大玻璃化转变温度（Tg1）至总重量的10重量％ 溶剂混合物溶解性树脂成分，其余的第二可溶性树脂成分的最高玻璃化转变温度（Tg2）满足以下关系：Tg1> Tg2，Tg1> = 50℃

公开(公告)号：US20080247788A1

公开(公告)日：2008-10-09

申请号：US12133904

申请日：2008-06-05

申请人： Yasukazu Ayaki ,  Shigeto Tamura

发明人： Yasukazu Ayaki ,  Shigeto Tamura

IPC分类号： G03G15/20 ,  G03G9/08

CPC分类号： G03G13/01 ,  G03G9/0821 ,  G03G9/0823 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0926 ,  G03G9/10 ,  G03G13/08

摘要： Provided are a toner containing at least a binder resin and a colorant, the toner having a specific hue angle and an absorbance at a specific wavelength in reflectance spectrophotometry, and a full-color image-forming method involving the use of the toner, the method including the steps of: forming an electrostatic image on a charged electrostatic image bearing member; developing the formed electrostatic image with the toner to form a toner image; transferring the formed toner image onto a transfer material; and fixing the transferred toner image to the transfer material to form a fixed image.

摘要翻译： 提供了至少含有粘合剂树脂和着色剂的调色剂，调色剂在反射分光光度法中具有特定色调角和特定波长处的吸光度，以及涉及使用调色剂的全色图像形成方法，该方法 包括以下步骤：在带电的静电图像承载部件上形成静电图像; 用调色剂显影形成的静电图像以形成调色剂图像; 将形成的调色剂图像转印到转印材料上; 并将转印的调色剂图像固定到转印材料上以形成固定图像。

公开(公告)号：US20080050670A1

公开(公告)日：2008-02-28

申请号：US11846308

申请日：2007-08-28

申请人： Yasukazu Ayaki ,  Takeshi Ikeda ,  Tomohito Ishida ,  Nobuyuki Itoh

发明人： Yasukazu Ayaki ,  Takeshi Ikeda ,  Tomohito Ishida ,  Nobuyuki Itoh

IPC分类号： G03G9/08

CPC分类号： G03G9/0821 ,  G03G9/09 ,  G03G9/0906 ,  G03G9/0926

摘要： The present invention provides: a toner kit having a deep toner and a pale toner which are separated from each other, wherein: the deep toner and the pale toner satisfy prescribed conditions for an L*a*b* color coordinate system where a* represents a hue in the red-green direction, b* represents a hue in the yellow-blue direction, and L* represents a lightness; the pale toner and the deep toner to be used in the toner kit; and a method for forming an image using the toner kit. Thus, the present invention can form a high quality image, while suppressing graininess and roughness over the areas covering from the low density area to the high density area.

摘要翻译： 本发明提供：具有相互分离的深调色剂和淡调色剂的调色剂试剂盒，其中：深色调色剂和淡调色剂满足L * a * b *色坐标系的规定条件，其中a表示 红绿色方向的色调b *表示黄 - 蓝方向的色调，L *表示亮度; 调色剂盒中使用的淡色调色剂和深色调色剂; 以及使用调色剂试剂盒形成图像的方法。 因此，本发明能够形成高质量的图像，同时抑制从低密度区域到高密度区域覆盖的区域的颗粒性和粗糙度。

公开(公告)号：US07300737B2

公开(公告)日：2007-11-27

申请号：US11688704

申请日：2007-03-20

申请人： Yasukazu Ayaki ,  Koji Abe

发明人： Yasukazu Ayaki ,  Koji Abe

IPC分类号： G03G9/08

CPC分类号： G03G9/0821 ,  G03G9/0806 ,  G03G9/0815 ,  G03G9/08782

摘要： The present invention provides a toner that exhibits excellent low-temperature fixing properties, offset resistance, and has excellent storage stability in a developing machine. The toner has, in a DSC curve obtained by measuring the toner with differential scanning calorimeter, a glass transition temperature (Tg1) measured in a first scan of 50.0 to 70.0° C. and a temperature difference (Tg1−Tg2) between the glass transition temperature (Tg1) measured in the first scan and a glass transition temperature (Tg2) measured in a second scan ranging from 3.0 to 20.0° C.

摘要翻译： 本发明提供了一种在显影机中显示出优异的低温定影性，抗胶印性和优异的储存稳定性的调色剂。 调色剂在以差示扫描量热计测量调色剂获得的DSC曲线中，在第一扫描中测量的玻璃化转变温度（Tg 1）为50.0-70.0℃，温度差（Tg 1 -Tg 2） 在第一扫描中测量的玻璃化转变温度（Tg 1）和在3.0至20.0℃的第二扫描中测量的玻璃化转变温度（Tg 2）