专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2010217625A Image forming apparatus and electrophotographic cartridge 审中-公开
标题翻译：图像形成装置和电子绘图盒
公开(公告)号：JP2010217625A
公开(公告)日：2010-09-30
申请号：JP2009065493
申请日：2009-03-18
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： MIZUSHIMA SUNAO , KURIHARA SHUNICHIRO , YASUTOMI SHIRO
IPC分类号： G03G5/147 , G03G9/08 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus or an electrophotographic cartridge, preventing contamination, afterimage (ghost), blur (solid followability), and particularly, filming, when a pulverized toner having a small particle size and a narrow particle size distribution is used.
SOLUTION: The image forming apparatus includes: an electrophotographic photoreceptor, a charging means charging the electrophotographic photoreceptor, an image exposure means performing image exposure to the charged electrophotographic photoreceptor to form an electrostatic latent image, a developing means developing the electrostatic latent image with toner, and a transfer means transferring the toner from the electrophotographic photoreceptor to a transfer material. The elastic deformation rate in the surface layer of the electrophotographic photoreceptor is not less than 44.0%; the toner shows D50v of 3.5 to 8.0 μm; and in the volume particle size distribution of the toner, the standard deviation is not more than 1/4 of the D50v; the content rate of particles having a size of not less than (1.4×D50v) μm is not more than 5 vol%; and the content rate of particles having a size of not more than (0.6×D50p) μm is not more than 5 number%.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种图像形成装置或电子照相盒，当具有小粒度和窄的粉碎调色剂时，防止污染，残影（鬼影），模糊（固体随动性），特别是成膜使用粒度分布。解决方案：图像形成装置包括：电子照相感光体，对电子照相感光体充电的充电装置，对充电的电子照相感光体进行图像曝光以形成静电潜像的图像曝光装置，使静电潜像显影的显影装置以及将调色剂从电子照相感光体转印到转印材料的转印装置。电子照相感光体的表层的弹性变形率为44.0％以上。调色剂的D50v为3.5〜8.0μm; 并且在调色剂的体积粒度分布中，标准偏差不大于D50v的1/4; 尺寸不小于（1.4×D50v）μm的颗粒的含有率不大于5体积％。尺寸不大于（0.6×D50p）μm的颗粒的含有率不大于5数量％。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2009104125A Image forming apparatus and cartridge 审中-公开
标题翻译：图像形成装置和盒子
公开(公告)号：JP2009104125A
公开(公告)日：2009-05-14
申请号：JP2008248790
申请日：2008-09-26
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： MITSUMORI MITSUYUKI , ISHIO KOZO , TAKAMURA HIROAKI , OTA MASAYA , SANO SHIHO , OWADA TAKESHI , SUGIHARA MASAKAZU , SENOKUCHI TERUNORI , YASUTOMI SHIRO , HIRAHARA HIROMI
IPC分类号： G03G9/08 , G03G5/10 , G03G5/14 , G03G9/087 , G03G15/04 , G03G15/043 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which reduces the consumption of toner, can improve image quality, prevents faulty cleaning, improves fog in long-term use even in use of a high-speed printing machine, and is excellent in image stability. SOLUTION: The image forming apparatus is equipped with an electrophotographic photoreceptor having a photosensitive layer on a conductive support and a toner for electrostatic charge image development, wherein the photosensitive layer of the electrophotographic photoreceptor has an undercoat layer containing a polyamide resin, and the toner for electrostatic charge image development satisfies all the following requirements (1) to (4). (1) The volume median diameter (Dv50) is 4.0-7.0 μm. (2) The average circularity is ≥0.93. (3) The volume median diameter (Dv50) of the toner and the percentage number (Dns) of toner particles having a particle diameter of 2.00-3.56 μm satisfy a relationship of Dns≤0.233EXP(17.3/Dv50). (4) The coefficient of variation of the number of particles is ≤24.0%. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供降低调色剂消耗的图像形成装置，可以提高图像质量，防止错误的清洁，即使在使用高速印刷机时也可长期使用雾化，并且是图像稳定性好。解决方案：图像形成装置配备有在导电支撑体上具有感光层的电子照相感光体和用于静电荷图像显影的调色剂，其中电子照相感光体的感光层具有含有聚酰胺树脂的底涂层，以及用于静电荷图像显影的调色剂满足以下所有要求（1）至（4）。（1）体积中值粒径（Dv50）为4.0〜7.0μm。（2）平均圆形度≥0.93。（3）调色剂的体积中值直径（Dv50）和粒径为2.00-3.56μm的调色剂颗粒的百分数（Dns）满足Dns≤0.233EXP（17.3 / Dv50）的关系。（4）颗粒数变异系数≤24.0％。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2011141441A Toner for electrostatic charge image development 审中-公开
标题翻译：静电电荷图像开发的优点
公开(公告)号：JP2011141441A
公开(公告)日：2011-07-21
申请号：JP2010002144
申请日：2010-01-07
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： YASUTOMI SHIRO , OGATA KENZO
IPC分类号： G03G9/08 , G03G9/087 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide a toner for electrostatic charge image development, which is excellent in charging property and property of fog prevention and prevents contamination of members even in the case of a high-speed long-life machine.
SOLUTION: The toner for electrostatic charge image development is a negative charging toner which is toner base particles containing at least a binder resin and a colorant, and has at least melamine resin fine particles deposited or fixed on the surface, wherein when the average circularity of the toner is denoted as (A) and the standard deviation of the circular-equivalent diameter (volume basis) of the melamine resin particles is denoted as (B), (A) and (B) satisfy a relational expression (1):B≤133.3A-122.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种静电荷图像显影用调色剂，即使在高速长寿命机器的情况下，其充电性能和防雾性能也优异，并且防止构件的污染。
解决方案：用于静电荷图像显影的调色剂是负极充电调色剂，其为至少含有粘合剂树脂和着色剂的调色剂基础颗粒，并且至少沉积或固定在表面上的三聚氰胺树脂细颗粒，其中当调色剂的平均圆形度表示为（A），三聚氰胺树脂颗粒的圆当量直径（体积基准）的标准偏差表示为（B），（A）和（B）满足关系式（1 ）：B≤133.3A-122。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2011141440A Toner for electrostatic charge image development 审中-公开
标题翻译：静电电荷图像开发的优点
公开(公告)号：JP2011141440A
公开(公告)日：2011-07-21
申请号：JP2010002143
申请日：2010-01-07
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： YASUTOMI SHIRO , OGATA KENZO
IPC分类号： G03G9/08 , G03G9/087 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide a toner for electrostatic charge image development, which is excellent in charging property and property of fog prevention and prevents contamination of members even in the case of a high-speed long-life machine.
SOLUTION: The toner for electrostatic charge image development is a negative charging toner which is toner base particles containing at least a binder resin and a colorant and has at least melamine resin fine particles deposited or fixed on the surface, wherein when the ratio Dv/Dn of the volume median diameter Dv to the number median diameter Dn is denoted as (A), and the standard deviation of the circular-equivalent diameter (volume basis) of the melamine resin particles is denoted as (B), (A) and (B) satisfy a relational expression (1):B≤-41.7A+53.2.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种静电荷图像显影用调色剂，即使在高速长寿命机器的情况下，其充电性能和防雾性能也优异，并且防止构件的污染。解决方案：用于静电荷图像显影的调色剂是负电荷调色剂，其是至少含有粘合剂树脂和着色剂的调色剂基础颗粒，并且至少沉积或固定在表面上的三聚氰胺树脂细颗粒，其中当比例体积中值直径Dv与数均中值直径Dn的Dv / Dn表示为（A），三聚氰胺树脂粒子的圆当量直径（体积基准）的标准偏差表示为（B），（A ）和（B）满足关系式（1）：B≤-41.7A + 53.2。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2009098679A Toner for electrostatic charge image development, image forming apparatus and toner cartridge 审中-公开
标题翻译：静电充电图像开发，图像形成装置和调色剂盒的调色剂
公开(公告)号：JP2009098679A
公开(公告)日：2009-05-07
申请号：JP2008247808
申请日：2008-09-26
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： OTA MASAYA , SANO SHIHO , OWADA TAKESHI , SUGIHARA MASAKAZU , SENOKUCHI TERUNORI , YASUTOMI SHIRO , HIRAHARA HIROMI
IPC分类号： G03G9/08 , G03G9/087 , G03G15/00 , G03G21/00
摘要： PROBLEM TO BE SOLVED: To provide a toner which enables amount of consumption thereof to be suppressed thereby improving image quality, prevents cleaning failure, reduces a problem of fogging in long-term use and provides excellent image stability even when using a high-speed printing machine, and to provide an image forming apparatus and a toner cartridge. SOLUTION: The toner for electrostatic charge image development is characterized by satisfying all the following requirements (1) to (4). (1) The volume median diameter (Dv50) is not less than 4.0 μm and not more than 7.5 μm. (2) The average circularity is not less than 0.93. (3) The volume median diameter (Dv50) of the toner and the percentage number (Dns) of toner particles having a particle diameter of not less than 2.00 μm and not more than 3.56 μm satisfy a relationship of Dns≤0.233EXP(17.3/Dv50). (4) The coefficient of variation of the number of particles is not more than 24.0%. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够抑制消耗量的调色剂，从而提高图像质量，防止清洁失败，减少长期使用中的起雾问题，并且即使在使用高的时候也提供优异的图像稳定性并且提供图像形成装置和调色剂盒。
解决方案：静电荷图像显影用调色剂的特征在于满足以下所有要求（1）〜（4）。（1）体积中值粒径（Dv50）为4.0μm以上7.5μm以下。（2）平均圆形度不小于0.93。（3）调色剂的体积中值粒径（Dv50）和粒径不小于2.00μm且不大于3.56μm的调色剂颗粒的百分数（Dns）满足Dns≤0.233EXP（17.3 / Dv50）。（4）颗粒数变异系数不超过24.0％。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2009098677A Color toner for electrostatic charge image development, image forming apparatus, and toner cartridge 审中-公开
标题翻译：静电充电图像开发用彩色调色剂，图像形成装置和调色剂盒
公开(公告)号：JP2009098677A
公开(公告)日：2009-05-07
申请号：JP2008247806
申请日：2008-09-26
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： KANEKO YUZO , OTA MASAYA , SANO SHIHO , OWADA TAKESHI , SUGIHARA MASAKAZU , SENOKUCHI TERUNORI , YASUTOMI SHIRO
IPC分类号： G03G9/09 , G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner, an image forming apparatus, and a toner cartridge capable of improving picture quality while suppressing the consumed amount of toner, preventing cleaning failure, improving a problem of fogging in long-term use and showing excellent image stability even when a high-speed printing machine is used. SOLUTION: The color toner for electrostatic charge image development is characterized by satisfying all the following requirements (1) to (4). (1) The volume median diameter (Dv50) is not less than 4.0 μm and not more than 7.5 μm. (2) The average circularity is not less than 0.93. (3) The volume median diameter (Dv50) of the toner and the percentage number (Dns) of toner particles having a particle diameter of not less than 2.00 μm and not more than 3.56 μm satisfy a relationship of Dns≤0.233EXP(17.3/Dv50). (4) The coefficient of variation of the number of particles is not more than 24.0%. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在抑制调色剂的消耗量的同时提高图像质量的调色剂，图像形成装置和调色剂盒，防止清洁失败，改善长期使用中的起雾问题，以及即使使用高速印刷机也能显示出优异的图像稳定性。
解决方案：用于静电荷图像显影的彩色调色剂的特征在于满足以下所有要求（1）至（4）。（1）体积中值粒径（Dv50）为4.0μm以上7.5μm以下。（2）平均圆形度不小于0.93。（3）调色剂的体积中值粒径（Dv50）和粒径不小于2.00μm且不大于3.56μm的调色剂颗粒的百分数（Dns）满足Dns≤0.233EXP（17.3 / Dv50）。（4）颗粒数变异系数不超过24.0％。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2009025809A Toner for electrostatic charge image development and developing method using the same 审中-公开
标题翻译：用于静电充电图像开发的调色剂和使用其的开发方法
公开(公告)号：JP2009025809A
公开(公告)日：2009-02-05
申请号：JP2008156059
申请日：2008-06-15
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： YASUTOMI SHIRO , SAIKI SHINICHI
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a toner for electrostatic charge image development excellent in charge rising property and causing little fog even in repeated use. SOLUTION: The toner for electrostatic charge image development includes toner base particles containing a binder resin and a colorant, and titanium oxide fine particles deposited or fixed to the surfaces of the base particles, characterized in that: the volume resistivity of the titanium oxide particles is not more than 1.0×10 12 Ω cm; the standard deviation of the particle diameter is 5 to 50; and the volume average primary particle diameter is 30 nm to 200 nm. The developing method is a nonmagnetic single component system using the above toner for electrostatic charge image development. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供电荷上升性优异的静电荷图像显影用调色剂，甚至在重复使用时也几乎没有雾。解决方案：用于静电荷图像显影的调色剂包括含有粘合剂树脂和着色剂的调色剂基础颗粒和沉积或固定在基础颗粒表面上的氧化钛细颗粒，其特征在于：钛的体积电阻率氧化物粒子不大于1.0×10 12 Ωcm; 粒径的标准偏差为5〜50; 体积平均一次粒径为30nm〜200nm。显影方法是使用上述用于静电荷图像显影的调色剂的非磁性单组分系统。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2015014805A 静電荷像現像用トナー有权
标题翻译：静电电荷图像开发的优点
公开(公告)号：JP2015014805A
公开(公告)日：2015-01-22
申请号：JP2014186677
申请日：2014-09-12
申请人：三菱化学株式会社 , Mitsubishi Chemicals Corp
发明人： YASUTOMI SHIRO , OGATA KENZO
IPC分类号： G03G9/08 , G03G9/087
摘要：【課題】帯電性に優れ、カブリが良好であり、高速、高寿命のマシンでも部材汚染のない静電荷像現像用トナーを提供することである。【解決手段】少なくともバインダー樹脂及び着色剤を含有するトナー母粒子であって、表面に少なくともメラミン系樹脂粒子を付着又は固着してなる負帯電性トナーの製造方法であり、該トナーの体積中位径Dvと個数中位径Dnの比Dv/DnをA、該メラミン系樹脂粒子の円相当径(体積基準)の標準偏差をBとした時、これらが下記の関係式(1)を満たすことを特徴とする静電荷像現像用トナーの製造方法を用いることにより解決した。B≦̸−41.7A+53.2 (1)【選択図】なし
摘要翻译：要解决的问题：提供一种静电荷图像显影用调色剂，其具有优异的带电性和良好的防雾性能，并且即使在高速长寿命机器的情况下也能防止构件的污染。解决方案：A 制造用于静电荷图像显影的调色剂的方法是制造负电荷调色剂的方法，其为至少含有粘合剂树脂和着色剂并且至少沉积或固定在表面上的三聚氰胺树脂颗粒的调色剂基础颗粒。在该方法中，当体积中值直径Dv与调色剂数中值直径Dn的比Dv / Dn表示为（A）时，三聚氰胺树脂颗粒的圆当量直径（体积基准）的标准偏差表示为（B），（A）和（B）满足关系式（1）：B≤-41.7A + 53.2。

9. 发明专利

JP2013214086A Toner for electrostatic charge image development, image forming device, and toner cartridge 审中-公开
标题翻译：静电充电图像开发，图像形成装置和调色剂盒的调色剂
公开(公告)号：JP2013214086A
公开(公告)日：2013-10-17
申请号：JP2013117910
申请日：2013-06-04
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： KANEKO YUZO , OTA MASAYA , SANO SHIHO , OWADA TAKESHI , SUGIHARA MASAKAZU , SENOKUCHI TERUNORI , YASUTOMI SHIRO
IPC分类号： G03G9/097 , G03G9/08 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a toner that is capable of suppressing toner consumption to improve image quality, prevents poor cleaning, solves the problem of fogging after a long-term use even when used in a high-speed printer, and has excellent image stability; an image forming apparatus; and a toner cartridge.SOLUTION: A toner contains a charge control agent, and satisfies all of the following conditions (1) to (3): (1) the volume median diameter of the toner (Dv50) is 4.0 μm or more and 7.5 μm or less; (2) a relationship between the volume median diameter of the toner (Dv50) and the number% of a toner having a particle diameter range of 2.00 μm or more and 3.56 μm or less (Dns) satisfies Dns≤0.233EXP(17.3/Dv50); and (3) the average dispersion diameter of the charge control agent contained in the toner is 500 nm or less.
摘要翻译：要解决的问题：为了提供能够抑制调色剂消耗以提高图像质量的调色剂，防止不良清洁，即使在高速打印机中使用时也能长期使用后解决雾化问题，并且具有优异的图像稳定性; 图像形成装置; 和调色剂盒。解决方案：调色剂含有电荷控制剂，并且满足以下所有条件（1）至（3）：（1）调色剂的体积中值直径（Dv50）为4.0μm以上7.5 μm以下; （2）调色剂的体积中值直径（Dv50）与粒径范围为2.00μm以上至3.56μm以下的调色剂的数量（Dns）之间的关系满足Dns≤0.233EXP（17.3 / Dv50 ）; 和（3）包含在调色剂中的电荷控制剂的平均分散体直径为500nm以下。

10. 发明专利

JP2013174911A Image formation apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2013174911A
公开(公告)日：2013-09-05
申请号：JP2013096829
申请日：2013-05-02
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： NISHIGORI TAKUYA , OTA MASAYA , SANO SHIHO , OWADA TAKESHI , SUGIHARA MASAKAZU , SENOKUCHI TERUNORI , YASUTOMI SHIRO , HIRAHARA HIROMI
IPC分类号： G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide an image formation apparatus capable of suppressing faulty cleaning, and having excellent image quality and excellent image stability even after a long time use.SOLUTION: An image formation apparatus performs steps including a cleaning step for cleaning a transfer residual toner remaining on an electrostatic charge image holding member in a transfer process. In the cleaning step, a cleaning blade is brought into contact with the electrostatic charge image holding member to clean the transfer residual toner. The toner satisfies all of the following (1)-(4): (1) a volume median diameter (Dv50) is 4.0 μm or more and 7.0 μm or less; (2) an average circularity is 0.93 or larger; (3) a relation between the volume median diameter (Dv50) of the toner and number % (Dns) of the toner with the particle size 2.00 μm or more and 3.56 μm or less satisfies Dns≤0.233EXP (17.3/Dv50); and (4) a number variation factor is 24.0% or smaller.
摘要翻译：要解决的问题：提供一种能够抑制故障清除的图像形成装置，并且即使在长时间使用之后也具有优异的图像质量和优异的图像稳定性。解决方案：图像形成装置执行包括清洁步骤的步骤，用于清洁转印残差在转印过程中剩余在静电荷图像保持部件上的调色剂。在清洁步骤中，使清洁刮板与静电荷图像保持构件接触以清洁转印残留调色剂。调色剂满足以下所有（1） - （4）：（1）体积中值粒径（Dv50）为4.0μm以上至7.0μm以下; （2）平均圆形度为0.93以上; （3）调色剂的体积中值直径（Dv50）与粒径2.00μm以上且3.56μm以下的调色剂的数量％（Dns）之间的关系满足Dns≤0.233EXP（17.3 / Dv50）; 和（4）数字变化因子为24.0％以下。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式