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1. 发明授权

US5744278A Toner for developing an electrostatic image and process for producing a toner 失效
标题翻译：用于显影静电图像的调色剂和用于生产调色剂的方法
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℃

2. 发明授权

US5985502A Toner for developing an electrostatic image and process for producing a toner 失效
标题翻译：用于显影静电图像的调色剂和用于生产调色剂的方法
公开(公告)号：US5985502A
公开(公告)日：1999-11-16
申请号：US994030
申请日：1997-12-18
申请人： Yasukazu Ayaki , Takeshi Ikeda , Tetsuro Fukui , Yoshinobu Baba , Hitoshi Itabashi
发明人： Yasukazu Ayaki , Takeshi Ikeda , Tetsuro Fukui , Yoshinobu Baba , Hitoshi Itabashi
IPC分类号： G03G9/08 , G03G9/087
CPC分类号： G03G9/0806 , G03G9/0819 , G03G9/0821 , G03G9/08795
摘要： A toner has at least 100 parts by weight of binder resin and 0.1 to 15 parts by weight of colorant. The toner has a number average particle size (Dn) of 0.5 to 6.0 .mu.m, a particle size distribution coefficient (volume average particle size (Dv) / number average particle size (Dn)) of 1.0 to 1.3 and a variation coefficient of particle number distribution of 20% or less.The toner contains 0.1 to 5.0% by weight of methanol-soluble resin component extracted by the first Soxhlet extraction with methanol and 50 to 99% by weight of THF-soluble resin component extracted by a second Soxhlet extraction with tetrahydrofuran (THF) after the Soxhlet extraction with methanol, wherein the maximum glass transition point (Tg.sub.2) of the methanol-soluble resin component and the glass transition point (Tg.sub.1) of the THF-soluble resin component satisfies the following relation;0 (.degree. C.)
摘要翻译：调色剂具有至少100重量份的粘合剂树脂和0.1至15重量份的着色剂。调色剂的数均粒径（Dn）为0.5〜6.0μm，粒径分布系数（体积平均粒径（Dv）/数均粒径（Dn））为1.0〜1.3，粒子的变异系数数量分布在20％以下。调色剂含有0.1至5.0重量％的甲醇可溶性树脂组分，通过第一次索格利特甲醇萃取提取甲醇溶解树脂组分，以及50至99重量％的THF可溶性树脂组分，经索氏提取后通过第四次索格利特萃取用甲醇萃取，其中甲醇可溶性树脂组分的最大玻璃化转变温度（Tg2）和THF可溶性树脂组分的玻璃化转变温度（Tg1）满足以下关系： 0（℃）

3. 发明授权

US6124070A Toner and process for producing toner 有权
标题翻译：调色剂和生产调色剂的方法
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。

4. 发明授权

US06566028B2 Toner, and process for producing toner 失效
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.

5. 发明授权

US06358658B1 Toner, and process for producing toner 有权
公开(公告)号：US06358658B1
公开(公告)日：2002-03-19
申请号：US09443133
申请日：1999-11-18
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： G03G900
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.

6. 发明授权

US6106990A Process for producing toner particles 有权
标题翻译：生产调色剂颗粒的方法
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。

7. 发明授权

US5576133A Carrier for use in electrophotography, two component-type developer and image forming method 失效
标题翻译：用于电子照相术的载体，双组分型显影剂和图像形成方法
公开(公告)号：US5576133A
公开(公告)日：1996-11-19
申请号：US502182
申请日：1995-07-13
申请人： Yoshinobu Baba , Takeshi Ikeda , Yasuko Amano , Hitoshi Itabashi
发明人： Yoshinobu Baba , Takeshi Ikeda , Yasuko Amano , Hitoshi Itabashi
IPC分类号： G03G9/107
CPC分类号： G03G9/1075
摘要： A two component-type developer for electrophotography showing improved electrophotographic performances and also free from carrier adhesion (undesirable carrier transfer to the photosensitive member and recording materials) is constituted by using a magnetic carrier of 5-100 .mu.m in particle size. The carrier has a bulk density of at most 30 g/cm.sup.3, and magnetic properties including: a magnetization of 30-150 emu/cm.sup.3 under a magnetic field strength of 1000 oersted, a magnetization (residual magnetization .sigma..sub.r) of at least 25 emu/cm.sup.3 under a magnetic field strength of zero oersted, a coercive force of less than 300 oersted, and a relationship of:.vertline..sigma..sub.1000 -.sigma..sub.300 .vertline./.sigma..sub.1000 .ltoreq.0.40wherein .sigma..sub.1000 and .sigma..sub.300 denote magnetizations under magnetic field strength of 1000 oersted and 300 oersted, respectively.
摘要翻译：通过使用粒径为5-100μm的磁性载体，构成了电子照相显示改善的电子照相性能并且不含载体粘附性（不希望的载体转移到感光构件和记录材料）的双组分型显影剂。载体的体积密度至多为30g / cm 3，磁特性包括：在1000奥斯特的磁场强度下磁化强度为30-150emu / cm 3，磁化强度（剩余磁化σr）至少为25emu / cm3，磁场强度为零奥斯特，矫顽力小于300奥斯特，关系为：| 西格玛1000西格玛300 | /西格玛1000

8. 发明授权

US6165663A Magnetic coated carrier two-component type developer and developing method 有权
标题翻译：磁性涂层载体双组分型显影剂和显影方法
公开(公告)号：US6165663A
公开(公告)日：2000-12-26
申请号：US422105
申请日：1999-10-20
申请人： Yoshinobu Baba , Takeshi Ikeda , Yuko Sato , Hitoshi Itabashi , Yuzo Tokunaga
发明人： Yoshinobu Baba , Takeshi Ikeda , Yuko Sato , Hitoshi Itabashi , Yuzo Tokunaga
IPC分类号： G03G9/08 , G03G9/10 , G03G9/107 , G03G9/113 , G03G13/09
CPC分类号： G03G9/0827 , G03G9/0821 , G03G9/10 , G03G9/107 , G03G9/1132 , G03G9/1136
摘要： A magnetic coated carrier suitable for constituting a two-component type developer for use in electrophotography is composed of magnetic coated carrier particles comprising magnetic coated carrier particles comprising magnetic carrier core particles each comprising a binder resin and metal oxide particles, and a coating layer surface-coating each carrier core particle. The metal oxide particles have been subjected to a surface lipophilicity-imparting treatment. The magnetic carrier core particles have a resistivity of at least 1.times.10.sup.10 ohm.cm, and the magnetic coated carrier has a resistivity of at least 1.times.10.sup.12 ohm.cm. The magnetic coated carrier has a particle size distribution such that (i) it has a number-average particle size Dn of 5-100 .mu.m, (ii) it satisfies a relationship of Dn/.sigma..gtoreq.3.5, wherein .sigma. denotes a standard deviation of number-basis particle size distribution of the carrier, and (iii) it contains at most 25% by number of particles having particle sizes of at most Dn.times.2/3.
摘要翻译：适用于构成用于电子照相术的双组分型显影剂的磁性涂层载体由包括磁性涂覆载体颗粒的磁性涂覆载体颗粒组成，所述磁性涂覆载体颗粒包括各自包含粘合剂树脂和金属氧化物颗粒的磁性载体芯颗粒，以及涂层表面 - 涂覆每个载体芯颗粒。金属氧化物颗粒已进行表面亲油性赋予处理。磁性载体芯颗粒具有至少1×10 10欧姆·厘米的电阻率，并且磁性涂覆载体的电阻率至少为1×10 12欧姆·厘米。磁性涂层载体具有如下的粒度分布：（i）其数均粒径Dn为5-100μm，（ii）满足Dn / sigma = 3.5的关系，其中σ表示载体的基于数量的粒度分布的标准偏差，和（iii）其含有至多25％数量的粒径至多Dnx + E，fra 2/3 + EE的颗粒。

9. 发明授权

US5766814A Magnetic coated carrier, two-component type developer and developing method 失效
标题翻译：磁性涂层载体，双组分型显影剂和显影方法
公开(公告)号：US5766814A
公开(公告)日：1998-06-16
申请号：US826678
申请日：1997-04-07
申请人： Yoshinobu Baba , Takeshi Ikeda , Yuko Sato , Hitoshi Itabashi , Yuzo Tokunaga
发明人： Yoshinobu Baba , Takeshi Ikeda , Yuko Sato , Hitoshi Itabashi , Yuzo Tokunaga
IPC分类号： G03G9/10 , G03G9/107 , G03G9/113
CPC分类号： G03G9/1136 , G03G9/10 , G03G9/107
摘要： A magnetic coated carrier suitable for constituting a two-component type developer for use in electrophotography is composed of magnetic coated carrier particles comprising magnetic carrier core particles and a resinous surface coated layer coating the magnetic carrier core particles. The carrier is suitably constituted so as to satisfy the condition of: (a) the magnetic carrier core particles has a resistivity of at least 1.times.10.sup.10 ohm.cm, and the magnetic coated carrier has a resistivity of at least 1.times.10.sup.12 ohm.cm, (b) the magnetic coated carrier has a number-average particle size of 1-100 .mu.m and has such a particle size distribution that particles having particle sizes of at most a half of the number-average particle size occupy an accumulative percentage of at most 20% by number, (c) the magnetic coated carrier has a shape factor SF-1 of 100-130, (d) the magnetic coated carrier has a magnetization at 1 kilo-oersted of 40-250 emu/cm.sup.3, and (e) the resinous surface coating layer comprises a coating resin composition which in turn comprises a straight silicone resin and a coupling agent. The straight silicone resin includes trifunctional silicon and difunctional silicon in an atomic ratio of 100:0-40:60.
摘要翻译：适用于构成用于电子照相术的双组分型显影剂的磁性涂层载体由包括磁性载体芯颗粒的磁性涂覆载体颗粒和涂覆磁性载体芯颗粒的树脂表面涂层组成。载体适当地构成为满足以下条件：（a）磁性载体芯颗粒具有至少1×10 10欧姆·厘米的电阻率，并且磁性涂覆载体的电阻率至少为1×10 12欧姆·厘米，（b ）磁性涂布载体的数均粒径为1-100μm，并且具有这样的粒度分布，使得粒径至多为数均粒径的一半的颗粒占累积百分比至多为20 （c）磁性涂层载体的形状因子SF-1为100-130，（d）磁性涂层载体的磁化强度为1千奥斯特值为40-250emu / cm3，（e）树脂表面涂层包括涂层树脂组合物，其又包含直的有机硅树脂和偶联剂。直的有机硅树脂包括原子比为100:0-40:60的三官能硅和二官能硅。

10. 发明授权

US5573880A Carrier for electrophotography, process for its production, two-component type developer, and image forming method 失效
标题翻译：电子照相用载体，其制造方法，双组分型显影剂和图像形成方法
公开(公告)号：US5573880A
公开(公告)日：1996-11-12
申请号：US363959
申请日：1994-12-27
申请人： Shinya Mayama , Takeshi Ikeda , Yuko Sato , Yoshinobu Baba , Hiroshi Aoto , Yasuko Hayashi , Hitoshi Itabashi , Yuzo Tokunaga
发明人： Shinya Mayama , Takeshi Ikeda , Yuko Sato , Yoshinobu Baba , Hiroshi Aoto , Yasuko Hayashi , Hitoshi Itabashi , Yuzo Tokunaga
IPC分类号： G03G9/08 , G03G9/10 , G03G9/107 , G03G9/113 , G03G15/08 , G03G15/09
CPC分类号： G03G9/1075 , G03G9/10 , G03G9/1132
摘要： A carrier for use in electrophotography has carrier particles. The carrier particles each comprise a carrier core particle and a resin for coating the carrier core particle and having a resistivity of 10.sup.10 .OMEGA..multidot.cm or above under conditions of a temperature of 23.degree. C. and a humidity of 50% RH. The carrier particles have an average particle diameter of not larger than 100 .mu.m and a resistivity of 10.sup.10 .OMEGA..multidot.cm or above. The carrier particles comprise not less than 80% by number of resin-coated carrier particles whose carrier core particles are each coated with a resin in a coverage of not less than 90%.
摘要翻译：用于电子照相术的载体具有载体颗粒。载体颗粒各自包含载体芯颗粒和用于涂覆载体芯颗粒的树脂，并且在23℃和50％RH的湿度的条件下具有1010ΩEGAxcm或更高的电阻率。载体颗粒的平均粒径不大于100μm，电阻率为1010欧米伽×厘米或以上。载体颗粒包含不少于80个数量的树脂涂覆的载体颗粒，其载体芯颗粒各自以不低于90％的覆盖率覆盖树脂。

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