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

JP2014032257A Manufacturing method for magnetic carrier, and magnetic carrier using the manufacturing method 有权
标题翻译：磁性载体的制造方法和使用制造方法的磁性载体
公开(公告)号：JP2014032257A
公开(公告)日：2014-02-20
申请号：JP2012171423
申请日：2012-08-01
申请人： Canon Inc , キヤノン株式会社
发明人： NAKA TAKESHI , HAMA MASAYUKI , KAMAE KENTARO , ISHIGAMI HISASHI , BABA YOSHINOBU , KAWAKAMI HIROAKI , HOTTA YOJIRO , MITA SATOSHI
IPC分类号： G03G9/113
CPC分类号： G03G9/1131 , G03G9/1075
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method in which when performing a coating process of resin composition particles on a surface of a magnetic carrier core by a dry coating process, the coating process can be applied to the surface of the magnetic carrier core and the interior of the coated layer evenly.SOLUTION: A manufacturing method for a magnetic carrier, having a coating process step of applying a coating process of a resin composition particle on a surface of a magnetic carrier core by means of mechanical impact, in which with a resin composition, the surface of the magnetic carrier core is subjected to the coating process; wherein the coating process step includes: a first coating process step of mixing, diffusing and fixing the resin composition particles on the surface of the magnetic carrier core; and a second coating process step of applying a film-coating process of the resin composition particle after the first coating process step; in which a most outer end part circumferential speed of a stirring member, coating process time, a product temperature at the time of finishing the coating process, a glass transfer temperature of a resin component included in the resin composition in the first and second coating process steps satisfy a specific relationship.
摘要翻译：要解决的问题：提供一种制造方法，其中当通过干式涂覆法在磁性载体芯的表面上进行树脂组合物颗粒的涂布工艺时，可以将涂覆工艺施加到磁性载体芯的表面上，涂层的内部均匀。解决方案：一种磁性载体的制造方法，其具有通过机械冲击在树脂组合物颗粒的表面上施加树脂组合物颗粒的涂布方法的涂布工艺步骤，其中树脂组合物，对磁性载体芯的表面进行涂布处理; 其中所述涂覆工艺步骤包括：将所述树脂组合物颗粒混合，扩散和固定在所述磁性载体芯的表面上的第一涂覆工艺步骤; 以及第二涂布处理步骤，在第一涂布工艺步骤之后施加树脂组合物颗粒的薄膜包衣过程; 其中搅拌构件的最外端部圆周速度，涂布处理时间，涂布处理完成时的产品温度，第一和第二涂布过程中包含在树脂组合物中的树脂组分的玻璃转移温度步骤满足特定的关系。

2. 发明专利

JP2012078814A Magnetic carrier, production method of the same, and two-component developer 审中-公开
标题翻译：磁性载体，其生产方法和两组分开发商
公开(公告)号：JP2012078814A
公开(公告)日：2012-04-19
申请号：JP2011193011
申请日：2011-09-05
申请人： Canon Inc , キヤノン株式会社
发明人： NAKA TAKESHI , BABA YOSHINOBU , ISHIGAMI HISASHI
IPC分类号： G03G9/113 , G03G9/107 , G03G15/09
CPC分类号： G03G9/107 , G03G9/1075 , G03G9/113 , G03G9/1135 , G03G9/1138
摘要： PROBLEM TO BE SOLVED: To provide a magnetic carrier and a two-component developer excellent in developability, capable of forming an image of high picture quality, excellent in durability and stability, suppressing decrease in a charge amount and preventing fog even when the developer is left to stand after long-term use.SOLUTION: The surface of the magnetic carrier core is coated with a charge controlling agent and further coated with a resin coating layer containing a resin composition.
摘要翻译：解决问题：为了提供显影性优异的磁性载体和双组分显影剂，能够形成高画质，耐久性和稳定性优异的图像，抑制电荷量的降低，防止雾化长期使用后，开发人员将不得已。解决方案：磁性载体芯的表面涂覆有电荷控制剂，并进一步涂覆有含有树脂组合物的树脂涂层。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2011158831A Magnetic carrier and two-component developer 有权
标题翻译：磁性载体和双组分开发商
公开(公告)号：JP2011158831A
公开(公告)日：2011-08-18
申请号：JP2010022281
申请日：2010-02-03
申请人： Canon Inc , キヤノン株式会社
发明人： KAMAE KENTARO , KOMATSU NOZOMI , ISHIGAMI HISASHI , BABA YOSHINOBU
IPC分类号： G03G9/113 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a magnetic carrier and a two-component developer having excellent charge imparting property, preventing fog or toner scattering, preventing leakage or carrier deposition even in long-term use, and giving a high quality image without density unevenness, even after the developer is left standing over a long period.
SOLUTION: The magnetic carrier has a primer layer formed on the surface of filled core particles prepared, by filling pores of porous magnetic particles with a filler resin and by treating the filled core particle with an amino silane coupling agent, and a coating layer formed by applying a coating resin composition containing an amino silane coupling agent thereon. The amino silane coupling agent used for the primer layer is different from the amino silane coupling agent used for the coating layer.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的电荷赋予特性的磁性载体和双组分显影剂，防止灰雾或调色剂飞散，甚至在长期使用中也防止泄漏或载体沉积，并且在没有密度不均匀，甚至在显影剂长时间静置之后。解决方案：磁性载体具有通过用填充树脂填充多孔磁性颗粒的孔并通过用氨基硅烷偶联剂处理填充的芯颗粒而形成在填充的芯颗粒的表面上的底漆层，以及涂层通过在其上涂布含有氨基硅烷偶联剂的涂布树脂组合物形成的层。用于底漆层的氨基硅烷偶联剂不同于用于涂层的氨基硅烷偶联剂。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2011002687A Method for manufacturing magnetic carrier and magnetic carrier manufactured by the same 有权
标题翻译：用于制造由其制造的磁性载体和磁性载体的方法
公开(公告)号：JP2011002687A
公开(公告)日：2011-01-06
申请号：JP2009146236
申请日：2009-06-19
申请人： Canon Inc , キヤノン株式会社
发明人： SHIOASHI YOSHIAKI , KAMAE KENTARO , NAKA TAKESHI , ISHIGAMI HISASHI , BABA YOSHINOBU
IPC分类号： G03G9/113 , G03G9/10 , G03G9/107
摘要： PROBLEM TO BE SOLVED: To efficiently adjust the resistance of a magnetic carrier without deteriorating developability or deteriorating the charge imparting ability of the magnetic carrier.SOLUTION: In a method for subjecting surfaces of magnetic carrier core particles to coating treatment with a resin composition by rotating a rotating body 2 having a plurality of stirring members 3 on a surface thereof, surfaces of the magnetic carrier core particles are subjected to coating treatment with the resin composition, while carrying out feed and return, and collision of treated bodies with each other. Resin fine particles contained in the resin composition have a 50% particle diameter (D50) on a volume basis of 0.2-6.0 μm and low-resistance fine particles contained in the resin composition have a volume resistivity of 1.0×10-1.0×10Ω cm.
摘要翻译：要解决的问题：为了有效地调节磁性载体的电阻而不会劣化显影性或降低磁性载体的电荷赋予能力。解决方案：在使用载体芯颗粒的表面通过旋转来涂覆树脂组合物的方法中在其表面具有多个搅拌构件3的旋转体2，在进行进给和返回以及处理体的相互碰撞的同时，使该载体芯颗粒的表面用树脂组合物进行涂布处理。树脂组合物中所含的树脂微粒的体积基准为0.2〜6.0μm，粒径（D50）为50％，树脂组合物中所含的低电阻微粒的体积电阻率为1.0×10-1.0×10Ωcm 。

5. 发明专利

JP2010014853A Manufacturing method of magnetic carrier, and magnetic carrier manufactured by using the manufacturing method 有权
标题翻译：磁性载体的制造方法和使用制造方法制造的磁性载体
公开(公告)号：JP2010014853A
公开(公告)日：2010-01-21
申请号：JP2008173124
申请日：2008-07-02
申请人： Canon Inc , キヤノン株式会社
发明人： OKAMOTO NAOKI , BABA YOSHINOBU , IDA TETSUYA , TERAUCHI KAZUO , HOTTA YOJIRO , UMEDA NOBUYOSHI , ITAKURA TAKAYUKI
IPC分类号： G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of magnetic carrier by which the surface of a magnetic carrier core is more uniformly coated with a cover resin so as to enhance the adhesiveness of a coated layer.
SOLUTION: The manufacturing method of magnetic carrier includes: a coating process of coating the surface of the magnetic carrier core with a resin composition by using a coating device having a means, which performs the coating by means of a mechanical impact force; and a heating process of heating the coated magnetic carrier by using a heating device having a heating means. Wherein, the heating process is satisfied by the following relations (1), (2):(1) Tg(°C)≤Th(°C)≤Tg+50(°C); and (2)1,000(°C min)≤Th×M(°C min)≤30,000(°C min). Therein, Th denotes a heating temperature in the heating process; Tg denotes a glass transition temperature of a resin component contained in the resin composition; and M denotes a heating time in the heating process.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供磁性载体的制造方法，通过该磁性载体的磁性载体芯的表面更均匀地涂覆有覆盖树脂，以增强涂层的粘附性。解决方案：磁性载体的制造方法包括：通过使用具有通过机械冲击力进行涂布的装置的涂布装置，用树脂组合物涂覆磁性载体芯的表面的涂布方法; 以及通过使用具有加热装置的加热装置来加热涂覆的磁性载体的加热过程。其中，通过以下关系式（1），（2）：（1）Tg（℃）≤Th（℃）≤Tg+ 50（℃）满足加热处理。和（2）1,000（℃分）≤Th×M（℃C min）≤30,000（℃）。其中，Th表示加热过程中的加热温度; Tg表示树脂组合物中所含的树脂成分的玻璃化转变温度; M表示加热过程中的加热时间。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010014852A Manufacturing method of magnetic carrier and magnetic carrier manufactured by the manufacturing method 有权
标题翻译：由制造方法制造的磁性载体和磁性载体的制造方法
公开(公告)号：JP2010014852A
公开(公告)日：2010-01-21
申请号：JP2008173123
申请日：2008-07-02
申请人： Canon Inc , キヤノン株式会社
发明人： HOTTA YOJIRO , OKAMOTO NAOKI , BABA YOSHINOBU , IDA TETSUYA , TERAUCHI KAZUO , UMEDA NOBUYOSHI , ITAKURA TAKAYUKI
IPC分类号： G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of magnetic carrier capable of maintaining high developability and preventing toner from being spent to a magnetic carrier even when making the output speed higher. SOLUTION: The manufacturing method of magnetic carrier contains at least a mixing process of mixing fine particles and magnetic particles of which the surface is covered with at least a resin composition by using a mixing device, wherein the mixing device includes: a rotator having a plurality of agitation means disposed on the surface thereof; and a casing having the inner circumferential part located leaving an interval from the agitation means. The mixing device mix the fine particles with magnetic particles by rotating the rotator, the fine particles and magnetic particles charged into the mixing device are adjusted the charging amount such that a spatial filling rate of the charged fine particles and magnetic particles with respect to a space between the rotator and the inner circumferential part of the casing falls into the range of 50% to 98%, and the fine particles and magnetic particles are sent in one direction of the axial direction of the rotator by means of partial agitation members among the plurality of agitation members, are returned in the direction reverse to the one direction of the axial direction of the rotator by means of other parts of agitation members among the plurality of agitation members and are thus mixed while performing the sending and returning. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够保持高显影性的磁性载体的制造方法，并且即使当输出速度更高时也防止调色剂被浪费在磁性载体上。解决方案：磁性载体的制造方法至少包括通过使用混合装置将表面被至少树脂组合物覆盖的细颗粒和磁性颗粒混合的混合过程，其中混合装置包括：旋转体具有设置在其表面上的多个搅拌装置; 以及具有位于离搅拌装置间隔的内周部的壳体。混合装置通过旋转旋转器将细颗粒与磁性颗粒混合，调节装入混合装置中的细颗粒和磁性颗粒的充电量，使得带电微粒和磁性颗粒相对于空间的空间填充率旋转体与壳体的内周部之间的距离在50％〜98％的范围内，微粒和磁性粒子通过多个部分搅拌部件在旋转体的轴向的一个方向上被送出的搅拌构件通过多个搅拌构件中的搅动构件的其他部分沿与旋转体的轴向的一个方向相反的方向返回，并且在进行送出和返回时被混合。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009162925A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2009162925A
公开(公告)日：2009-07-23
申请号：JP2007340898
申请日：2007-12-28
申请人： Canon Inc , キヤノン株式会社
发明人： YAMADA MOTOYA , AOKI MAKOTO , BABA YOSHINOBU , YAMAMOTO TAKESHI
IPC分类号： G03G15/08 , G03G5/08 , G03G9/10
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus with good developability which suppresses charge injection into an electrostatic image through a carrier. SOLUTION: The image forming apparatus includes a carrier having properties shown by the following (I) as the carrier and an a-Si photoreceptor having properties shown by the following (II) as an image bearing member. (I) The resistivity of the carrier changes according to electric field intensity applied, and the relationship of ¾K1¾ COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有良好显影性的图像形成装置，其抑制通过载体对静电图像的电荷注入。解决方案：图像形成装置包括具有作为载体的以下（I）所示的性质的载体和具有如下（II）所示的性质的a-Si感光体作为图像承载部件。（I）载体的电阻率根据施加的电场强度而变化，并且满足¾K1¾<¾K2¾的关系，其中K1和K2分别表示电场强度小于回拉电场强度Ed的电阻率变化的梯度，在电场强度大于开发电场强度Eb。（II）a-Si感光体的表面层的氢原子浓度为30〜70原子％，碳原子浓度为60〜90原子％。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2009053384A Two-component developer, replenishing developer and image forming method 有权
标题翻译：双组分开发者，补充发展者和图像形成方法
公开(公告)号：JP2009053384A
公开(公告)日：2009-03-12
申请号：JP2007219269
申请日：2007-08-27
申请人： Canon Inc , キヤノン株式会社
发明人： OKAMOTO NAOKI , ISHIGAMI HISASHI , TERAUCHI KAZUO , IDA TETSUYA , HOTTA YOJIRO , UMEDA NOBUYOSHI , BABA YOSHINOBU , ITAKURA TAKAYUKI
IPC分类号： G03G9/10 , G03G9/09 , G03G9/107 , G03G9/113 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a two-component developer whicg can obtain a high-definition image with less toner weight than heretofore, has preferable reproducibility in a color range, reduces a consumption of the toner, is adaptable to a high-speed processing, and can continuously output the images with stable colors even in long-term use. SOLUTION: The two-component developer comprises a cyan toner and a magnetic carrier having a resin coating layer on the surface of a magnetic carrier core, and the developer is characterized in that: the cyan toner satisfies a relationship of an expressed (1):2.00 3 to 4.2 g/cm 3 . COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供双组分显影剂，可以获得比迄今为止更少的调色剂重量的高分辨率图像，在颜色范围中具有优选的再现性，降低调色剂的消耗，适应于高速度处理，即使长期使用也可以连续输出图像稳定的颜色。解决方案：双组分显影剂包括青色调色剂和在磁性载体芯的表面上具有树脂涂层的磁性载体，显影剂的特征在于：青色调色剂满足表达（ 1）：2.00

9. 发明专利

JP2009042465A Image forming method 审中-公开
标题翻译：图像形成方法
公开(公告)号：JP2009042465A
公开(公告)日：2009-02-26
申请号：JP2007206770
申请日：2007-08-08
申请人： Canon Inc , キヤノン株式会社
发明人： IDA TETSUYA , ISHIGAMI HISASHI , OKAMOTO NAOKI , TERAUCHI KAZUO , HOTTA YOJIRO , UMEDA NOBUYOSHI , BABA YOSHINOBU , ITAKURA TAKAYUKI
IPC分类号： G03G9/10
摘要： PROBLEM TO BE SOLVED: To provide an image forming method capable of maintaining initial image quality even in high speed output. SOLUTION: The image forming method includes: an electrifying stage where a photoreceptor is electrified; a latent image forming stage where an electrostatic latent image is formed on the photoreceptor electrified in the electrifying stage; a development stage where the electrostatic latent image formed on the photoreceptor is developed using a two component developer comprising toner and magnetic carriers so as to form a toner image; a transferring stage where the toner image on the photoreceptor is transferred to a transfer material via an intermediate transfer body; and a fixing stage where the toner image is fixed to the transfer material. In the magnetic carriers, (i) the average particle diameter (D50) of the volume distribution standard of the magnetic carriers is 25 to 60 μm; (ii) provided that the average deformation ratio of the magnetic carriers is defined as A(MPa/μm), 10≤A≤28 is satisfied; (iii) abundance ratio of ≤0.950 in the average circularity of the magnetic carriers is ≤2.0 piece % or below; (iv) dynamic resistivity R5,000 in the electric field strength 5,000 V/cm of the magnetic carriers is 1.0×10 8 Ωcm to 1.0×10 10 Ωcm, and the Young's modulus of the intermediate transcriptional body is 1.00×10 3 MPa to 4.50×10 3 MPa. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供即使在高速输出中也能够保持初始图像质量的图像形成方法。解决方案：图像形成方法包括：感光体带电的充电阶段; 在充电阶段带电的感光体上形成静电潜像的潜像形成阶段; 使用包含调色剂和磁性载体的双组分显影剂显影在感光体上形成的静电潜像的显影阶段，以形成调色剂图像; 转印阶段，其中感光体上的调色剂图像经由中间转印体转印到转印材料上; 以及调色剂图像固定在转印材料上的定影阶段。在磁性载体中，（i）磁性载体的体积分布标准的平均粒径（D50）为25〜60μm，（ii）如果磁性载体的平均变形率定义为A（MPa /μm），则满足10≤A≤28; （iii）磁性载体的平均圆形度的丰度比≤0.950≤2.0％以下; （iv）磁性载体的电场强度为5000V / cm的动态电阻率为5,000，为1.0×10 8Ω/ cm〜1.0×10 10ΩΩcm，中间体转录体的杨氏模量为1.00×10 3 /秒〜4×10 3 /秒。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2009020145A Two-component developer and replenishment developer 有权
标题翻译：两部分发展商和代理发展商
公开(公告)号：JP2009020145A
公开(公告)日：2009-01-29
申请号：JP2007180601
申请日：2007-07-10
申请人： Canon Inc , キヤノン株式会社
发明人： KOMATSU NOZOMI , NAKAMURA KUNIHIKO , FUJIKAWA HIROYUKI , BABA YOSHINOBU , ITAKURA TAKAYUKI
IPC分类号： G03G9/107 , G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a two-component developer having superior environmental stability, generating neither carrier adhesion nor photographic fog to an electrostatic charge latent image support, having a superior dot reproducibility, providing high-definition images without uneven concentration and having a high durable property.
SOLUTION: This two-component developer contains at least a carrier and a toner, wherein the carrier contains resin-containing ferrite particles containing resin in the holes of porous ferrite core particles, and is characterized in that the porous ferrite core particles have Li
2 O of 10-40 mol% relative to the total mol number of the containing metal oxide, an average ferrite diameter of the holes in the cross section of the porous ferrite core particles is 0.5-5.0 μm, the 10 or more holes are provided per 10 μm×10 μm, and the toner surface tension index in 45 vol.% methanol solution measured by a capillary suction time method of the toner is 3.0×10
-3 -1.0×10
-1 N/m.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供具有优异的环境稳定性的双组分显影剂，既不会对静电荷潜影载体产生载体粘附也不产生摄影雾，具有优异的点再现性，提供不分散浓度的高清晰度图像，具有高耐用性。解决方案：该双组分显影剂至少含有载体和调色剂，其中载体在多孔铁氧体磁心颗粒的孔中含有含有树脂的含有树脂的铁氧体颗粒，其特征在于多孔铁氧体磁芯颗粒具有相对于含有金属氧化物的总摩尔数为10〜40摩尔％的Li 2 O，多孔铁氧体磁心粒子的截面的孔的平均铁素体直径为0.5〜5.0μm ，每10μm×10μm设置10个以上的孔，通过调色剂的毛细管抽吸时间法测定的45体积％甲醇溶液中的调色剂表面张力指数为3.0×10 -3 -1.0×10 -1 N / m。版权所有（C）2009，JPO＆INPIT

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