公开(公告)号：US5976750A

公开(公告)日：1999-11-02

申请号：US14001

申请日：1998-01-27

申请人： Masayuki Hagi ,  Junichi Tamaoki ,  Takeshi Arai ,  Hiroyuki Fukuda

发明人： Masayuki Hagi ,  Junichi Tamaoki ,  Takeshi Arai ,  Hiroyuki Fukuda

IPC分类号： G03G9/08 ,  G03G9/097

CPC分类号： G03G9/0819 ,  G03G9/09708

摘要： The present invention provides an electrostatic latent developing toner which comprises:toner particles containing a colorant and a binder resin, the toner particles satisfying the following relation:1.45-0.05 D.sub.50 .ltoreq.D.sub.25 /D.sub.75 .ltoreq.1.75-0.05D.sub.50(1)(in which D.sub.25, D.sub.50 and D.sub.75 denote toner particle sizes such that when the toner particles are integrated from the larger particle side, the volume percentages of toner particles of respective particle sizes are 25%, 50%, and 75% based on the total volume of the toner particles), particle size D.sub.50 being within the range of from 3 to 7 .mu.m; orthe toner particles having a volume-mean particle size of 3 to 7 .mu.m and a shape factor SF1 of 100 to 130 as expressed by the following relation (2):SF1={100 .pi..times.(max length).sup.2 }/{4.times.(area)} (2)(in which, "max length" represents mean value of maximum lengths of projected toner particle images, and "area" represents mean value of projected toner particle areas); andan external additive admixed with the toner particles, the external additive containing hydrophobic inorganic fine particles A having a number-mean particle size of 5 to 70 nm, and inorganic fine particles B having a number-mean particle size of 80 to 800 nm with a 20 number % or less content of particles having a particle size of 1000 nm or more.

摘要翻译： 本发明提供了一种静电潜像显影调色剂，其包括：含有着色剂和粘合剂树脂的调色剂颗粒，满足以下关系的调色剂颗粒：1.45-0.05 D50 D25 / D75

公开(公告)号：US5879848A

公开(公告)日：1999-03-09

申请号：US606436

申请日：1996-02-23

申请人： Katsunori Kurose ,  Masayuki Hagi ,  Takeshi Arai ,  Junichi Tamaoki ,  Ichiro Demizu ,  Hiroyuki Fukuda

发明人： Katsunori Kurose ,  Masayuki Hagi ,  Takeshi Arai ,  Junichi Tamaoki ,  Ichiro Demizu ,  Hiroyuki Fukuda

IPC分类号： G03G9/09 ,  G03G9/08 ,  G03G9/087

CPC分类号： G03G9/08797 ,  G03G9/08

摘要： A developer contains a set of color toners and black toner for use in a full color image forming apparatus. Each of the color toners contains a color colorant and a first binder resin, and the black toner contains a black colorant and a second binder resin. The difference between softening point and flow starting temperature of said first binder resin is less than the difference between softening point and flow starting temperature of said second binder resin.

摘要翻译： 显影剂含有用于全色图像形成装置的一组彩色调色剂和黑色调色剂。 每种彩色调色剂含有着色剂和第一粘合剂树脂，黑色调色剂含有黑色着色剂和第二粘合剂树脂。 所述第一粘合剂树脂的软化点和流动起始温度的差小于所述第二粘合剂树脂的软化点和流动起始温度之间的差。

公开(公告)号：US5707769A

公开(公告)日：1998-01-13

申请号：US503801

申请日：1995-07-18

申请人： Masayuki Hagi ,  Katsunori Kurose ,  Takeshi Arai ,  Junichi Tamaoki ,  Hiroyuki Fukuda ,  Yoko Osawa ,  Miyoko Goto

发明人： Masayuki Hagi ,  Katsunori Kurose ,  Takeshi Arai ,  Junichi Tamaoki ,  Hiroyuki Fukuda ,  Yoko Osawa ,  Miyoko Goto

IPC分类号： G03G9/087 ,  G03G9/09

CPC分类号： G03G9/0908 ,  G03G9/08755

摘要： A negatively chargeable color toner for full-color image forming, comprising a specific linear polyester resin and C. I. Solvent Yellow 162 or a specific anthraquinone magenta dye or an anthraquinone magenta dye together with a quinacridone magenta pigment.

摘要翻译： 用于全色图像形成的负电荷彩色调色剂，包括特定的线性聚酯树脂和C.I.溶剂黄162或特定的蒽醌品红色染料或蒽醌品红色染料以及喹吖啶酮品红色颜料。

公开(公告)号：US5794105A

公开(公告)日：1998-08-11

申请号：US609834

申请日：1996-03-01

申请人： Junichi Tamaoki ,  Ichiro Demizu ,  Takeshi Arai ,  Katsunori Kurose ,  Masayuki Hagi ,  Hiroyuki Fukuda

发明人： Junichi Tamaoki ,  Ichiro Demizu ,  Takeshi Arai ,  Katsunori Kurose ,  Masayuki Hagi ,  Hiroyuki Fukuda

IPC分类号： G03G9/087 ,  G03G13/01 ,  G03G13/20 ,  G03G9/08 ,  G03G15/00

CPC分类号： G03G9/08797 ,  G03G13/013 ,  G03G13/20 ,  G03G9/08704 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08795

摘要： A toner for full-color development for use in a developing system of a full-color image forming apparatus which comprises a binder resin having a glass transition point Tg of from 60.degree. to 75.degree. C., a number-average molecular weight Mn of from 3500 to 6000, a ratio of a weight-average molecular weight Mw to the number-average molecular weight Mn (Mw/Mn) ranging from 3 to 8, and a difference between a temperature T.sub.1 at the apparent melt viscosity of 1.times.10.sup.5 poise and a temperature T.sub.2 at the apparent melt viscosity of 1.times.10.sup.6 poise DT (=T.sub.1 -t.sub.2) in the range of from 8.degree. to 15.degree. C.

摘要翻译： 一种用于全色图像形成装置的显影系统中的全色显影用调色剂，其包含玻璃化转变点Tg为60〜75℃的粘合剂树脂，数均分子量Mn为 从3500至6000，重均分子量Mw与数均分子量Mn（Mw / Mn）的比例为3至8，表观熔体粘度为1×10-5泊的温度T1与 表观熔体粘度为1×106泊DT（= T1-t2）的温度T2为8〜15℃。

公开(公告)号：US5776646A

公开(公告)日：1998-07-07

申请号：US879330

申请日：1997-06-20

申请人： Masayuki Hagi ,  Takeshi Arai ,  Junichi Tamaoki ,  Hiroyuki Fukuda

发明人： Masayuki Hagi ,  Takeshi Arai ,  Junichi Tamaoki ,  Hiroyuki Fukuda

IPC分类号： G03G9/097 ,  G03G9/107

CPC分类号： G03G9/097 ,  G03G9/09708

摘要： The invention relates to: (1) negatively chargeable toner particles with inorganic fine particles externally added thereto, the inorganic fine particles having a specified number-mean particle size and a specified chargeability, and (2) toner particles with silica fine particles and titania fine particles added to the toner particles in specified quantities and respectively having a specified number-mean particle size and a specified degree of hydrophobicity and, in combination therewith, inorganic particles having a specified number-mean particle size added to the toner particles. The toner of the present invention has good environmental stability, non-sticking characteristic, and good storage stability, and is capable of forming good images without aggregation noise and free of fogging after repetition of copy. The toner is suitable for full-color image formation in particular.

摘要翻译： 本发明涉及：（1）具有外部添加的无机细颗粒的带负电荷的调色剂颗粒，所述无机细颗粒具有指定的数均粒径和指定的带电性，和（2）具有二氧化硅细颗粒和二氧化钛的调色剂颗粒 颗粒以规定的量添加到调色剂颗粒中，并且分别具有指定的数均粒径和特定的疏水度，并且与其组合，添加到调色剂颗粒中的具有指定数均粒径的无机颗粒。 本发明的调色剂具有良好的环境稳定性，不粘特性和良好的储存稳定性，能够在没有聚集噪声的情况下形成良好的图像，并且在重复复制之后不会起雾。 该调色剂特别适用于全色图像形成。

公开(公告)号：US5759731A

公开(公告)日：1998-06-02

申请号：US879328

申请日：1997-06-20

申请人： Masayuki Hagi ,  Takeshi Arai ,  Junichi Tamaoki ,  Hiroyuki Fukuda

发明人： Masayuki Hagi ,  Takeshi Arai ,  Junichi Tamaoki ,  Hiroyuki Fukuda

IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097 ,  G03G9/107

CPC分类号： G03G9/09708 ,  G03G9/08755 ,  G03G9/0819 ,  G03G9/0821

摘要： The invention relates to (1) a toner with inorganic fine particles added externally, the inorganic fine particles having a specified mean particle size and a specified particle size distribution, and (2) a toner having specified particle size, specific gravity, and angle of toner repose, and a developing agent comprising the toner and a carrier. The toner of the present invention has good environmental stability, non-sticking characteristic, and good storage stability under hot conditions, and is capable of forming good images without aggregation noise. Further, the toner is not liable to produce toner dust and does not damage the photoconductor. The toner is particularly suitable for full-color image formation.

摘要翻译： 本发明涉及（1）外部添加有无机细颗粒的调色剂，具有规定的平均粒度和规定的粒度分布的无机细颗粒，和（2）具有规定的粒径，比重和角度的调色剂 调色剂沉淀，以及包含调色剂和载体的显影剂。 本发明的调色剂在热条件下具有良好的环境稳定性，不粘特性和良好的储存稳定性，能够形成良好的图像而没有聚集噪音。 此外，调色剂不易产生调色剂粉尘，并且不会损坏感光体。 调色剂特别适用于全色图像形成。

公开(公告)号：US5759728A

公开(公告)日：1998-06-02

申请号：US803162

申请日：1997-02-19

申请人： Masayuki Hagi ,  Junichi Tamaoki ,  Takeshi Arai ,  Hiroyuki Fukuda

发明人： Masayuki Hagi ,  Junichi Tamaoki ,  Takeshi Arai ,  Hiroyuki Fukuda

IPC分类号： G03G9/08 ,  G03G9/09 ,  G03G9/107 ,  G03G9/113

CPC分类号： G03G9/0904

摘要： The present invention relates to a black toner for developing electrostatic latent images, comprising at least a binder resin and carbon black, characterized in that a mean primary particles size and particle size distribution of the carbon black dispersed in the binder resin are adjusted within a specified range.

摘要翻译： 本发明涉及一种用于显影静电潜像的黑色调色剂，其至少包含粘合剂树脂和炭黑，其特征在于将分散在粘合剂树脂中的炭黑的平均一次颗粒尺寸和颗粒尺寸分布调整到指定的 范围。

公开(公告)号：US5747211A

公开(公告)日：1998-05-05

申请号：US803252

申请日：1997-02-20

申请人： Masayuki Hagi ,  Junichi Tamaoki ,  Takeshi Arai ,  Hiroyuki Fukuda

发明人： Masayuki Hagi ,  Junichi Tamaoki ,  Takeshi Arai ,  Hiroyuki Fukuda

IPC分类号： G03G9/097

CPC分类号： G03G9/09708 ,  G03G9/09716 ,  G03G9/09725

摘要： A toner for developing electrostatic latent images comprising: colored resin particles which include a binder resin and a colorant, and hydrophobic titania micro particles which are obtained by surface treating of anatase-type titania micro particles having average primary particle size of 30 to 90 nm with a hydrophobicity imparting agent and satisfy following relationship: S=1125/D+k wherein S expresses BET specific surface area (m.sup.2 /g) of hydrophobic titania micro particles, D expresses average primary particle size (nm) of anatase-type titania micro particles, and k expresses a constant of 0 to 60.

摘要翻译： 一种用于显影静电潜像的调色剂，包括：包含粘合剂树脂和着色剂的着色树脂颗粒和通过用平均一次粒径为30至90nm的锐钛矿型二氧化钛微粒表面处理而得到的疏水性二氧化钛微粒， 疏水性赋予剂，满足以下关系：S = 1125 / D + k其中S表示疏水性二氧化钛微粒的BET比表面积（m2 / g），D表示锐钛矿型二氧化钛微粒的平均一次粒径（nm） k表示0〜60的常数。

公开(公告)号：US06541173B1

公开(公告)日：2003-04-01

申请号：US09583740

申请日：2000-05-31

申请人： Kenichi Kido ,  Masayuki Hagi ,  Takeshi Arai ,  Yoshihiro Mikuriya ,  Megumi Aoki ,  Yoshitaka Sekiguchi ,  Tetsuo Sano ,  Junichi Tamaoki

发明人： Kenichi Kido ,  Masayuki Hagi ,  Takeshi Arai ,  Yoshihiro Mikuriya ,  Megumi Aoki ,  Yoshitaka Sekiguchi ,  Tetsuo Sano ,  Junichi Tamaoki

IPC分类号： G03G9087

CPC分类号： G03G9/08782 ,  G03G9/08755

摘要： The present invention provide a toner comprising: a coloring agent; a binder resin comprising a first binder resin and a second binder resin, the first binder resin being composed of a linear polyester resin having a number-average molecular weight (Mn) of from 2,500 to 7,000, a weight-average molecular weight (Mw) of from 8,000 to 25,000, and a Mw/Mn ratio of 2 to 4, the second binder resin being composed of a non-linear polyester resin having a number-average molecular weight (Mn) of from 3,500 to 11,000, a weight-average molecular weight (Mw) of from 40,000 to 250,000, and a Mw/Mn ratio of 10 to 35, and a ratio of the first binder resin to the second binder resin (the first binder resin:the second binder resin) being 15:85 to 85:15 by weight, a first releasing agent having a softening point of 55 to 110° C., and a second releasing agent having a softening point of 110 to 160° C.

摘要翻译： 本发明提供一种调色剂，其包含：着色剂;包含第一粘合剂树脂和第二粘合剂树脂的粘合剂树脂，所述第一粘合剂树脂由数均分子量（Mn）为2500的直链聚酯树脂 至7,000，重均分子量（Mw）为8,000至25,000，Mw / Mn比为2至4，第二粘合剂树脂由具有数均分子量的非线性聚酯树脂（ Mn）为3,500〜11,000，重均分子量（Mw）为40,000〜250,000，Mw / Mn比为10〜35，第一粘合剂树脂与第二粘合剂树脂的比例（第一 粘合剂树脂：第二粘合剂树脂）为15:85至85:15（重量），软化点为55至110℃的第一脱模剂和软化点为110至160℃的第二脱模剂

公开(公告)号：US06506530B1

公开(公告)日：2003-01-14

申请号：US09584178

申请日：2000-05-31

申请人： Kenichi Kido ,  Masayuki Hagi ,  Megumi Aoki ,  Yoshihiro Mikuriya ,  Takeshi Arai ,  Tetsuo Sano ,  Yoshitaka Sekiguchi ,  Junichi Tamaoki

发明人： Kenichi Kido ,  Masayuki Hagi ,  Megumi Aoki ,  Yoshihiro Mikuriya ,  Takeshi Arai ,  Tetsuo Sano ,  Yoshitaka Sekiguchi ,  Junichi Tamaoki

IPC分类号： G03G9087

CPC分类号： G03G9/08793 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

摘要： The present invention provide a toner comprising: a coloring agent; a binder resin comprising a first binder resin and a second binder resin, the first binder resin being composed of a linear polyester resin having a number-average molecular weight (Mn) of from 2,800 to 7,000, a weight-average molecular weight (Mw) of from 8,900 to 21,000, and a Mw/Mn ratio of 2 to 4, the second binder resin being composed of a non-linear polyester resin having a number-average molecular weight (Mn) of from 3,500 to 8,000, a weight-average molecular weight (Mw) of from 40,000 to 120,000, and a Mw/Mn ratio of 10 to 20, and a ratio of the first binder resin to the second binder resin (the first binder resin:the second binder resin) being 60:40 to 95:5 by weight.

摘要翻译： 本发明提供一种调色剂，其包括：着色剂;包含第一粘合剂树脂和第二粘合剂树脂的粘合剂树脂，所述第一粘合剂树脂由数均分子量（Mn）为2800的直链聚酯树脂 至7,000，重均分子量（Mw）为8,900至21,000，Mw / Mn比为2至4，第二粘合剂树脂由具有数均分子量的非线性聚酯树脂（ Mn）为3,500至8,000，重均分子量（Mw）为40,000至120,000，Mw / Mn比为10至20，第一粘合剂树脂与第二粘合剂树脂的比率（第一 粘合剂树脂：第二粘合剂树脂）的重量比为60:40至95:5。