公开(公告)号：US5288578A

公开(公告)日：1994-02-22

申请号：US882023

申请日：1992-05-13

申请人： Yutaka Sugizaki ,  Susumu Saito ,  Hirotaka Matsuoka ,  Masanori Ichimura ,  Masaru Miura ,  Takashi Imai

发明人： Yutaka Sugizaki ,  Susumu Saito ,  Hirotaka Matsuoka ,  Masanori Ichimura ,  Masaru Miura ,  Takashi Imai

IPC分类号： G03G9/097 ,  G03G9/113 ,  G03G9/10

CPC分类号： G03G9/1134 ,  G03G9/1131 ,  G03G9/1138

摘要： A positively chargeable carrier for developing electrostatic charge images having good surface staining resistance and good environmental reliance of charging is disclosed, which comprises a core material having formed thereon an interlayer having a triboelectrification controlling function and having a nitrogen atom content of from 5 ppm to 75 ppm based on the weight of the core material, and a releasable coated layer formed on the interlayer. A two-component developer using the carrier is also disclosed.

摘要翻译： 公开了一种用于显影具有良好的表面耐污染性和良好的充电环境依赖性的静电荷图像的可带正电的载体，其包括在其上形成有具有摩擦带电控制功能并且氮原子含量为5ppm至75的中间层的芯材料 基于芯材的重量的ppm，以及形成在中间层上的可剥离的涂层。 还公开了使用载体的双组分显影剂。

公开(公告)号：US5665511A

公开(公告)日：1997-09-09

申请号：US471729

申请日：1995-06-06

申请人： Takashi Imai ,  Satoshi Inoue ,  Masanori Ichimura ,  Yutaka Sugizaki ,  Susumu Saito ,  Masaru Miura ,  Michio Take ,  Yasuo Yamamoto ,  Koji Fukushima ,  Manabu Serizawa

发明人： Takashi Imai ,  Satoshi Inoue ,  Masanori Ichimura ,  Yutaka Sugizaki ,  Susumu Saito ,  Masaru Miura ,  Michio Take ,  Yasuo Yamamoto ,  Koji Fukushima ,  Manabu Serizawa

IPC分类号： C09K3/00 ,  C09K3/16 ,  C09K3/18 ,  G03G9/08 ,  G03G9/097

CPC分类号： G03G9/09708 ,  G03G9/09716 ,  Y10S430/104

摘要： A surface-treated inorganic fine particle includes an inorganic fine particle, a hydrophobizing agent deposited on the surface of the inorganic fine particle and an amino group-containing coupling agent deposited on the surface of the inorganic fine particle, wherein the hydrophobizing agent and the amino group-containing coupling agent in a ratio of 1/(0.01 to 0.1) by weight are deposited on the surface of the inorganic fine particle by treating the surface of the inorganic fine particle with the hydrophobizing agent and the amino group-containing coupling agent. An electrophotographic developer contains toner particles and the surface-treated inorganic fine particles.

摘要翻译： 表面处理无机细颗粒包括无机细颗粒，沉积在无机细颗粒表面上的疏水化剂和沉积在无机细颗粒表面上的含氨基偶联剂，其中疏水化剂和氨基 通过用疏水化剂和含氨基的偶联剂处理无机细颗粒的表面，将1 /（0.01至0.1）重量比的含基团的偶联剂沉积在无机细颗粒的表面上。 电子照相显影剂含有调色剂颗粒和表面处理的无机细颗粒。

公开(公告)号：US5320925A

公开(公告)日：1994-06-14

申请号：US879287

申请日：1992-05-07

申请人： Takashi Imai ,  Satoshi Inoue ,  Masanori Ichimura ,  Yutaka Sugizaki ,  Susumu Saito ,  Masaru Miura ,  Michio Take ,  Yasuo Yamamoto ,  Koji Fukushima ,  Manabu Serizawa

发明人： Takashi Imai ,  Satoshi Inoue ,  Masanori Ichimura ,  Yutaka Sugizaki ,  Susumu Saito ,  Masaru Miura ,  Michio Take ,  Yasuo Yamamoto ,  Koji Fukushima ,  Manabu Serizawa

IPC分类号： G03G9/08 ,  G03G9/097

CPC分类号： G03G9/0819 ,  G03G9/09716

摘要： An electrophotographic toner composition comprising (A) toner particles with an average particle diameter of 9 .mu.m or less comprising at least a binder resin and a colorant, and (B) an additive, wherein the additive is a fine metal oxide powder surface coated with at least one agent for imparting hydrophobic property selected from the group consisting of the following formulae (1), (2) and (3):R.sub.1 Si(X).sub.3R.sub.1 R.sub.2 Si(X).sub.2R.sub.1 R.sub.2 R.sub.3 Si(X).sub.1wherein R.sub.1 represents a substituted or unsubstituted alkyl group having a molecular weight of 113 or more, R.sub.2 and R.sub.3 each represents hydrogen, an alkyl group or an allyl group, and X represents chlorine, an alkoxy group or an acetoxy group. The toner composition causes no impaction to a carrier and no adhesion of the toner particles to a photoreceptor, and can form stable, sufficient images for a long time.

摘要翻译： 一种电子照相调色剂组合物，其包含（A）平均粒径为9μm或更小的调色剂颗粒至少包含粘合剂树脂和着色剂，和（B）添加剂，其中所述添加剂是涂覆有金属氧化物粉末表面的金属表面 至少一种赋予选自下式（1），（2）和（3）的疏水性的试剂：R1Si（X）3 R1R2Si（X）2 R1R2R3Si（X）1其中R1表示取代或 未取代的分子量为113以上的烷基，R2和R3各自表示氢，烷基或烯丙基，X表示氯，烷氧基或乙酰氧基。 调色剂组合物不会对载体造成冲击，并且不会使调色剂颗粒粘附到感光体上，并且可以长时间形成稳定的足够的图像。

公开(公告)号：US5529871A

公开(公告)日：1996-06-25

申请号：US276488

申请日：1994-07-18

申请人： Masanori Ichimura ,  Hiroshi Takayama ,  Michio Take ,  Hideyuki Akagi ,  Takashi Imai ,  Satoshi Inoue ,  Yasuo Yamamoto ,  Yutaka Sugizaki ,  Koji Fukushima ,  Masayuki Takei ,  Masaru Miura

发明人： Masanori Ichimura ,  Hiroshi Takayama ,  Michio Take ,  Hideyuki Akagi ,  Takashi Imai ,  Satoshi Inoue ,  Yasuo Yamamoto ,  Yutaka Sugizaki ,  Koji Fukushima ,  Masayuki Takei ,  Masaru Miura

IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G9/00

CPC分类号： G03G9/0804 ,  G03G9/081 ,  G03G9/09 ,  G03G9/0906

摘要： A color toner providing a toner image excellent in brightness, clearness and graininess and a process for producing the same are disclosed, wherein a proportion of dispersed pigment particles having a circle-equivalent diameter of 0.3 .mu.m or greater does not exceed 0.1% of the total number of said dispersed pigment particles. The process comprises kneading a water-containing pigment paste and a binder resin at a temperature of 100.degree. C. or higher under pressure in a heat and pressure kneader to remove a water content to obtain a pigment dispersion, melt-kneading the resulting pigment dispersion together with a binder resin, and grinding the mixture.

摘要翻译： 本发明提供一种提供亮度，清晰度和颗粒度优异的调色剂图像的彩色调色剂，其中，当量圆直径为0.3μm以上的分散颜料颗粒的比例不超过0.1μm 所述分散的颜料颗粒的总数。 该方法包括在100℃或更高的温度下在加压和捏合机中捏合含水颜料糊和粘合剂树脂以除去水分，得到颜料分散体，将得到的颜料分散体 与粘合剂树脂一起研磨混合物。

公开(公告)号：US5250996A

公开(公告)日：1993-10-05

申请号：US882136

申请日：1992-05-13

申请人： Yutaka Sugizaki ,  Hiroshi Takayama ,  Hideyuki Akagi ,  Takashi Imai ,  Susumu Saito ,  Yoshio Shoji ,  Yasuhiro Uehara ,  Masanori Ichimura ,  Tomohiro Ohkawa ,  Manabu Serizawa ,  Yasuo Yamamoto ,  Michio Take ,  Satoshi Inoue

发明人： Yutaka Sugizaki ,  Hiroshi Takayama ,  Hideyuki Akagi ,  Takashi Imai ,  Susumu Saito ,  Yoshio Shoji ,  Yasuhiro Uehara ,  Masanori Ichimura ,  Tomohiro Ohkawa ,  Manabu Serizawa ,  Yasuo Yamamoto ,  Michio Take ,  Satoshi Inoue

IPC分类号： G03G9/087 ,  G03G13/20 ,  G03G15/01 ,  G03G15/20

CPC分类号： G03G9/08755 ,  G03G13/20 ,  G03G15/0105 ,  G03G15/2025

摘要： A method for fixing a full color toner image by inserting a transfer medium to which a toner image is transferred, between a pair of rolls of a fixing apparatus, and pressing the medium therebetween, wherein the toner image is formed of a full color toner prepared by dispersing a colorant into a polyester resin containing a diol component represented by the following general formula (I) as a constituent and having a softening point of 100.degree. to 120.degree. C., as measured by a ring and ball method, a glass transition temperature of 55.degree. C. or more, a Gardner color scale of 2 or less and a haze value of 15 or less, and the fixing operation is conducted while supplying a functional group-containing organopolysiloxane having a viscosity of 10 to 100,000 cs at 25.degree. C. to a roll in contact with the toner image, whereby the full color toner image can be stably fixed without wrapping of the transfer medium around the roll and offset, and the fixed image having good image quality can be obtained: ##STR1## wherein R represents an ethylene group or a propylene group, each of x and y is an integer of 1 or more, and x+y is 2 to 6.

摘要翻译： 一种通过将定影设备的一对辊之间插入转印有调色剂图像的转印介质并在其间按压介质来固定全色调色剂图像的方法，其中调色剂图像由全色调色剂形成 通过将着色剂分散在含有由以下通式（I）表示的二醇组分的聚酯树脂中作为组分，并且通过环球法测量的软化点为100-120℃，玻璃化转变 温度为55℃以上，Gardner色标为2以下，雾度值为15以下，进行定影操作，同时在25℃下提供粘度为10〜100,000cs的含官能团的有机聚硅氧烷 使其与调色剂图像接触，从而可以稳定地固定全色调色剂图像，而不会在辊周围缠绕转印介质并且偏移，并且可以获得具有良好图像质量的固定图像 （I）其中R表示亚乙基或亚丙基，x和y各自为1以上的整数，x + y为2〜6。

公开(公告)号：US5296324A

公开(公告)日：1994-03-22

申请号：US877733

申请日：1992-05-04

申请人： Hideyuki Akagi ,  Susumu Saito ,  Masaru Miura ,  Takashi Imai ,  Masayuki Takei ,  Masanori Ichimura ,  Michio Take ,  Satoshi Inoue ,  Yasuo Yamamoto ,  Toshiaki Murofushi ,  Hiroshi Nakazawa ,  Koji Fukushima

发明人： Hideyuki Akagi ,  Susumu Saito ,  Masaru Miura ,  Takashi Imai ,  Masayuki Takei ,  Masanori Ichimura ,  Michio Take ,  Satoshi Inoue ,  Yasuo Yamamoto ,  Toshiaki Murofushi ,  Hiroshi Nakazawa ,  Koji Fukushima

IPC分类号： G03G9/08

CPC分类号： G03G9/0808 ,  G03G9/0827

摘要： A toner for developing an electrostatic charge image is disclosed, which is formed by adding and mixing an external additive with toner particles having an average particle size of not larger than 9 .mu.m and comprising at least a colorant and a binder resin, wherein the external additive is fine particles having a particle size of 20 to 80 nm. There is also disclosed a process for preparing the toner which comprises adding external additives to the toner particles and mixing them, wherein the addition and mixing of said external additive are carried out under specific conditions.

摘要翻译： 公开了一种用于显影静电荷图像的调色剂，其通过将外部添加剂与平均粒度不大于9（my）m并且至少包含着色剂和粘合剂树脂的调色剂颗粒相加和混合而形成，其中 外部添加剂是粒径为20〜80nm的细颗粒。 还公开了一种调色剂的制备方法，其包括向调色剂颗粒中加入外部添加剂并进行混合，其中所述外部添加剂的添加和混合在特定条件下进行。

公开(公告)号：US5192637A

公开(公告)日：1993-03-09

申请号：US710617

申请日：1991-06-05

申请人： Susumu Saito ,  Takashi Imai ,  Satoshi Inoue ,  Yutaka Sugizaki

发明人： Susumu Saito ,  Takashi Imai ,  Satoshi Inoue ,  Yutaka Sugizaki

IPC分类号： G03G9/08 ,  G03G9/097

CPC分类号： G03G9/09716

摘要： An electrophotographic toner composition comprising a toner particle and an additive is disclosed, the toner particle comprising at least a binder resin and a colorant, and the additive being an amorphous titania fine particle subjected to a surface treatment using a coupling agent.

摘要翻译： 公开了包含调色剂颗粒和添加剂的电子照相调色剂组合物，所述调色剂颗粒至少包含粘合剂树脂和着色剂，所述添加剂是使用偶联剂进行表面处理的无定形二氧化钛细颗粒。

公开(公告)号：US06582869B2

公开(公告)日：2003-06-24

申请号：US09818864

申请日：2001-03-28

申请人： Katsumi Daimon ,  Norihito Fukushima ,  Takashi Imai ,  Manabu Serizawa ,  Hirokazu Hamano ,  Masanori Ichimura

发明人： Katsumi Daimon ,  Norihito Fukushima ,  Takashi Imai ,  Manabu Serizawa ,  Hirokazu Hamano ,  Masanori Ichimura

IPC分类号： G03G9087

CPC分类号： G03G9/08755 ,  G03G9/08771 ,  G03G9/08795 ,  G03G9/08797

摘要： An electrophotographic toner contains a colorant and a binder resin which includes and a crystalline polyester resin as a main component. An ester density M of the crystalline polyester resin, as defined in the following Formula 1, is from 0.01 to 0.12: M=K/A  Formula 1 wherein M denotes an ester density, K denotes a number of ester groups, and A denotes a number of atoms which constitute the high molecular chain of a polymer.

摘要翻译： 电子照相调色剂含有着色剂和粘合剂树脂，其包含结晶性聚酯树脂作为主要成分。 如下式1所定义的结晶性聚酯树脂的酯密度M为0.01〜0.12，式中，M表示酯密度，K表示酯基数，A表示构成高分子数的原子数 聚合物的分子链。

公开(公告)号：US06500594B2

公开(公告)日：2002-12-31

申请号：US09978031

申请日：2001-10-17

申请人： Hirokazu Hamano ,  Katsumi Daimon ,  Manabu Serizawa ,  Norihito Fukushima ,  Takashi Imai ,  Masanori Ichimura

发明人： Hirokazu Hamano ,  Katsumi Daimon ,  Manabu Serizawa ,  Norihito Fukushima ,  Takashi Imai ,  Masanori Ichimura

IPC分类号： G03G9113

CPC分类号： G03G9/08797 ,  G03G9/08755 ,  G03G9/10 ,  G03G9/1135

摘要： An electrophotographic developer and a process for forming an image are provided in that the fixing can be conducted at a lower temperature than the conventional technique, and that are excellent in the powder storage stability, the anti-blocking property and the image storage stability after fixing without impairing the density, the coloring property and the transparency of the image after fixing, and further have appropriate electric charging property without any problem of fogging or cloud with excellent maintenance property of electric charge. The electrophotographic developer contains a toner for developing an electrostatic image containing a coloring agent and a binder resin containing, as a main component, a crystalline resin having a melting point of about from 60 to 120° C., and a carrier having a resin film containing a nitrogen-containing resin on a surface thereof. The process for forming an image is carried out by using the electrophotographic developer.

摘要翻译： 提供电子照相显影剂和形成图像的方法，其中可以在比常规技术更低的温度下进行定影，并且在固定之后粉末储存稳定性，防粘连性和图像保存稳定性优异 而不损害固定后的图像的密度，着色性和透明度，并且进一步具有适当的充电性能，没有任何雾化或云状的问题，并且具有优异的电荷维持性。 电子照相显影剂含有用于显影含有着色剂和粘合剂树脂的静电图像的调色剂，所述着色剂和粘合剂树脂含有熔点为约60至120℃的结晶树脂和作为主要成分的结晶树脂，并且具有树脂膜 在其表面含有含氮树脂。 形成图像的方法是通过使用电子照相显影剂进行的。

公开(公告)号：US06242146B1

公开(公告)日：2001-06-05

申请号：US09499454

申请日：2000-02-07

申请人： Yuka Ishihara ,  Hiroshi Nakazawa ,  Akihiro Iizuka ,  Yoshifumi Iida ,  Kaori Oishi ,  Tomohito Nakajima ,  Takashi Imai ,  Masanori Ichimura

发明人： Yuka Ishihara ,  Hiroshi Nakazawa ,  Akihiro Iizuka ,  Yoshifumi Iida ,  Kaori Oishi ,  Tomohito Nakajima ,  Takashi Imai ,  Masanori Ichimura

IPC分类号： G03G9113

CPC分类号： G03G9/10

摘要： A carrier for two-component electrostatic-charged image developer, at least the surface of which is coated with a resin, is provided. The apparent density &rgr; (g/cm3) of the carrier, the mean particle diameter D (cm) of the carrier, and the specific area S (cm2/g) of the carrier core material satisfy the following conditions: 600≦S≦1500 10/(D×&rgr;)−S≦300. A two-component developer and an image-forming process using the carrier are also provided.

摘要翻译： 提供了至少其表面涂覆有树脂的双组分静电电荷显影剂载体。 载体的表观密度rho（g / cm 3），载体的平均粒径D（cm）和载体芯材的比表面积S（cm 2 / g）满足以下条件：双组分显影剂 并且还提供使用该载体的图像形成处理。