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1. 发明申请

WO2012169502A1 TONER, TWO-COMPONENT DEVELOPER, AND IMAGE FORMING METHOD 审中-公开
标题翻译：调色剂，双组分显影剂和图像形成方法
公开(公告)号：WO2012169502A1
公开(公告)日：2012-12-13
申请号：PCT/JP2012/064496
申请日：2012-05-30
申请人： CANON KABUSHIKI KAISHA , SHIOTARI, Yoshiaki , FUKUDOME, Kosuke , KOMATSU, Nozomu , NAKAMURA, Kunihiko , KAMAE, Kentaro , FUJIKAWA, Hiroyuki , ISHIGAMI, Koh , ITAKURA, Takayuki
发明人： SHIOTARI, Yoshiaki , FUKUDOME, Kosuke , KOMATSU, Nozomu , NAKAMURA, Kunihiko , KAMAE, Kentaro , FUJIKAWA, Hiroyuki , ISHIGAMI, Koh , ITAKURA, Takayuki
IPC分类号： G03G9/08 , G03G5/05 , G03G5/147 , G03G9/087 , G03G9/10 , G03G15/08 , G03G21/10
CPC分类号： G03G9/0819 , G03G9/0804 , G03G9/0806 , G03G9/0808 , G03G9/081 , G03G9/0815 , G03G9/0817 , G03G9/0821 , G03G9/0827 , G03G9/08755 , G03G9/09708 , G03G13/095
摘要： A toner has a weight-average particle diameter (D4) of 3.0 μm or more and 8.0 μm or less, wherein the average circularity analyzed by dividing particles of the toner having an equivalent circle diameter of 1.98 μm or more and less than 200.00 μm into 800 in a range of a circularity of 0.200 or more and 1.000 or less is 0.960 or more and 0.985 or less, the proportion of particles A having a circularity of 0.990 or more and 1.000 or less is 25.0% or less on a basis of the number of particles, and the ratio of particles B having an equivalent circle diameter of 0.50 μm or more and less than 1.98 μm to the total particles having an equivalent circle diameter of 0.50 μm or more and less than 200.00 μm is 10.0% or less on a basis of the number of particles.
摘要翻译：调色剂的重均粒径（D4）为3.0μm以上至8.0μm以下，其中通过将当量圆直径为1.98μm以上且小于200.00μm的调色剂的颗粒分割成平均圆形度，形成 800的圆形度为0.200以上且1.000以下，为0.960以上且0.985以下，圆形度为0.990以上且1.000以下的粒子A的比例为25.0％以下，基于粒子数，当量圆直径为0.50μm以上且小于1.98μm的粒子B与当量圆直径为0.50μm以上且小于200.00μm的总粒子的比率为10.0％以下，相对于颗粒数的基础。

2. 发明申请

WO2012036311A1 TONER 审中-公开
标题翻译：碳粉
公开(公告)号：WO2012036311A1
公开(公告)日：2012-03-22
申请号：PCT/JP2011/071763
申请日：2011-09-15
申请人： CANON KABUSHIKI KAISHA , FUJIKAWA, Hiroyuki , NAKAMURA, Kunihiko , KOMATSU, Nozomu , SHIOTARI, Yoshiaki , ISHIGAMI, Koh , KAMAE, Kentaro , ITAKURA, Takayuki
发明人： FUJIKAWA, Hiroyuki , NAKAMURA, Kunihiko , KOMATSU, Nozomu , SHIOTARI, Yoshiaki , ISHIGAMI, Koh , KAMAE, Kentaro , ITAKURA, Takayuki
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/081 , G03G9/0821 , G03G9/08782 , G03G9/08795 , G03G9/08797
摘要： An object of the present invention is to improve resistance to wraparound during fixing while achieving both low-temperature fixability and resistance to hot offset. A further object is to suppress image density variations and fogging in white background regions during use at high print coverage rate at high temperature and high humidity. A toner containing inorganic fine particles and toner particles containing a binder resin and a wax being provided, the toner being characterized in that the binder resin contains a polyester resin A obtained by condensation polymerization of a polyvalent carboxylic acid and an alcohol component mainly containing an aromatic diol and a polyester resin B obtained by condensation polymerization of a polyvalent carboxylic acid and an alcohol component mainly containing an aliphatic diol, and in that the degree of segregation of the wax in the toner depth direction from the toner surface toward the toner center is controlled.
摘要翻译：本发明的目的在于提高耐固化性能，同时实现低温定影性和耐热偏移性。另一个目的是在高温和高湿度的高打印覆盖率的使用期间抑制白色背景区域中的图像浓度变化和起雾。含有无机细颗粒的调色剂和含有粘合剂树脂和蜡的调色剂颗粒，调色剂的特征在于粘合剂树脂含有通过多元羧酸和主要含有芳香族的醇组分的缩聚获得的聚酯树脂A 二醇和通过多元羧酸和主要含有脂肪族二醇的醇成分的缩聚获得的聚酯树脂B，并且控制蜡在调色剂深度方向上从调色剂表面向调色剂中心偏析的程度被控制。

3. 发明申请

WO2012074035A1 TWO-COMPONENT DEVELOPER 审中-公开
标题翻译：两组分开发商
公开(公告)号：WO2012074035A1
公开(公告)日：2012-06-07
申请号：PCT/JP2011/077741
申请日：2011-11-24
申请人： CANON KABUSHIKI KAISHA , ISHIGAMI, Koh , KOMATSU, Nozomu , KAMAE, Kentaro , BABA, Yoshinobu
发明人： ISHIGAMI, Koh , KOMATSU, Nozomu , KAMAE, Kentaro , BABA, Yoshinobu
IPC分类号： G03G9/113 , G03G9/08
CPC分类号： G03G9/0832 , G03G9/0827 , G03G9/1075 , G03G9/1131 , G03G9/1136
摘要： Provided is a two-component developer having excellent developing performance and little change in image concentration, and achieving long-term suppression of image defects such as transfer failure and fogging. Provided is a two-component developer containing a magnetic carrier and a toner, wherein the magnetic carrier has magnetic carrier particles comprising a silicone resin B coated on the surfaces of filled core particles in which pores of porous magnetic core particles are filled with a silicone resin A, the silicone resin A is a silicone resin cured in the presence of a non-metal catalyst or without a catalyst, while the silicone resin B is a silicone resin cured in the presence of a metal catalyst having titanium or zirconium, and the toner contains a binder resin, a release agent and a colorant, and has an average circularity of 0.940 or more.
摘要翻译：提供了具有优异的显影性能和图像浓度变化小的双组分显影剂，并且实现了诸如转印失败和起雾的图像缺陷的长期抑制。提供了含有磁性载体和调色剂的双组分显影剂，其中磁性载体具有磁性载体颗粒，其包含涂覆在填充芯颗粒表面上的硅树脂B，其中多孔磁性核颗粒的孔填充有硅树脂 A中，有机硅树脂A是在非金属催化剂或不含催化剂存在下固化的有机硅树脂，而有机硅树脂B是在具有钛或锆的金属催化剂存在下固化的有机硅树脂，并且调色剂含有粘合剂树脂，脱模剂和着色剂，平均圆形度为0.940以上。

4. 发明申请

WO2013002296A1 MAGNETIC CARRIER AND TWO-COMPONENT DEVELOPER 审中-公开
标题翻译：磁性载体和双组分开发商
公开(公告)号：WO2013002296A1
公开(公告)日：2013-01-03
申请号：PCT/JP2012/066463
申请日：2012-06-21
申请人： CANON KABUSHIKI KAISHA , KAMAE, Kentaro , KOMATSU, Nozomu , ISHIGAMI, Koh , BABA, Yoshinobu
发明人： KAMAE, Kentaro , KOMATSU, Nozomu , ISHIGAMI, Koh , BABA, Yoshinobu
IPC分类号： G03G9/113 , G03G9/107
CPC分类号： G03G9/1133 , G03G9/1075 , G03G9/1131 , G03G9/1136
摘要： A magnetic carrier is provided which can suppress a decrease in glossiness even in a long term use for POD which requires high glossiness. A magnetic carrier includes a filled core particle in which a silicone resin is filled in pores of a porous magnetic core particle and a vinyl resin coating a surface of the filled core particle. In a pore distribution of the porous magnetic core particle measured by a mercury intrusion method, a cumulative pore volume in a pore diameter range of 0.1 to 3.0 μm is 35.0 to 95.0 mm3/g, and in a pore distribution of the filled core particle measured by a mercury intrusion method, a cumulative pore volume in a pore diameter range of 0.1 to 3.0 μm is 3.0 to 15.0 mm3/g. The magnetic carrier includes 1.2 to 3.0 parts by mass of the vinyl resin to 100.0 parts by mass of the filled core particle.
摘要翻译：提供了一种磁性载体，其即使长期使用需要高光泽度的POD，也可以抑制光泽度的降低。磁性载体包括填充的核心颗粒，其中硅氧烷树脂填充在多孔磁性核颗粒的孔中，并且涂覆填充的芯颗粒的表面的乙烯基树脂。在通过水银侵入法测定的多孔磁性核颗粒的孔分布中，孔径范围为0.1〜3.0μm的累积孔体积为35.0〜95.0mm 3 / g，测定了填充芯粒子的孔分布通过水银侵入法，孔径范围为0.1〜3.0μm的累积孔体积为3.0〜15.0mm 3 / g。磁性载体包含1.2〜3.0质量份的乙烯基树脂与100.0质量份填充的芯颗粒。

5. 发明申请

WO2009113700A1 TWO-COMPONENT DEVELOPER 审中-公开
标题翻译：两组分开发商
公开(公告)号：WO2009113700A1
公开(公告)日：2009-09-17
申请号：PCT/JP2009/054980
申请日：2009-03-10
申请人： CANON KABUSHIKI KAISHA , ENDO, Tomoko , ISHIGAMI, Koh , OKAMOTO, Naoki , BABA, Yoshinobu
发明人： ENDO, Tomoko , ISHIGAMI, Koh , OKAMOTO, Naoki , BABA, Yoshinobu
IPC分类号： G03G9/107 , G03G9/08 , G03G9/10 , G03G9/113
CPC分类号： G03G9/107 , G03G9/0819 , G03G9/0827 , G03G9/10 , G03G9/1075 , G03G9/113 , G03G9/1133
摘要： Provided is a two-component developer containing: a magnetic carrier obtained by coating a magnetic core with a resin; and toner, in which: the magnetic core contains at least a ferrite component and at least one kind of an oxide selected from the group consisting of SiO 2 and Al 2 O 3 ; the content of the oxide is 4.0 mass% or more and 40.0 mass% or less with respect to the magnetic core; the magnetic core has a specific resistance of 5. O×10 4 Ω⋅cm or more and 5. O×10 8 Ω⋅cm or less at the time of the application of 1,000 V/cm; the magnetic carrier has an intensity of magnetization in 79.6 kA/m of 40.0 Am 2 /kg or more and 65.0 Am 2 /kg or less, and a residual magnetization after the application of an external magnetic field of 79.6 kA/m of 3.0 Am 2 /kg or less; and the toner has a weight-average particle diameter (D4 ) of 3.0 μm or more and 10.0 μm or less and an average circularity.of 0.940 or more and 0.990 or less.
摘要翻译：提供了一种双组分显影剂，其包含：通过用树脂涂覆磁芯获得的磁性载体; 和调色剂，其中：所述磁芯至少包含铁氧体组分和至少一种选自SiO 2和Al 2 O 3的氧化物; 相对于磁芯，氧化物的含量为4.0质量％以上且40质量％以下。磁芯在施加1000V / cm时具有5.O×104O·cm以上且5.0×10 8 O·cm以下的电阻率。磁性载体的强度为79.6kA / m，为40.0Am 2 / kg以上且65.0Am 2 / kg以下，在施加79.6kA / m 3的外部磁场后的剩余磁化强度为3.0Am 2 / kg 或更少; 调色剂的重均粒径（D4）为3.0μm以上且10.0μm以下，平均圆形度为0.940以上且0.990以下。

6. 发明申请

WO2009110522A1 MAGNETIC CARRIER AND TWO-COMPONENTS DEVELOPER 审中-公开
标题翻译：磁性载体和双组分开发商
公开(公告)号：WO2009110522A1
公开(公告)日：2009-09-11
申请号：PCT/JP2009/054101
申请日：2009-02-26
申请人： CANON KABUSHIKI KAISHA , BABA, Yoshinobu , ISHIGAMI, Koh , OKAMOTO, Naoki , ENDO, Tomoko
发明人： BABA, Yoshinobu , ISHIGAMI, Koh , OKAMOTO, Naoki , ENDO, Tomoko
IPC分类号： G03G9/113 , G03G9/08 , G03G9/10
CPC分类号： G03G9/1133 , G03G9/0819 , G03G9/0827
摘要： The present invention provides an image of high image quality by using a magnetic carrier coated with a novel coating resin composition. Further, the present invention stably provides a good image which is hardly influenced by environmental fluctuation and long-term use and has a superior stability of a charging amount when left to stand especially under high temperature and high humidity environments. The present invention also provides a magnetic carrier characterized in that a carrier core surface is coated with a copolymer containing at least, as copolymerization components, an acrylic monomer having a specific structure and an acrylic macromonomer having a specific structure.
摘要翻译：本发明通过使用涂覆有新型涂料树脂组合物的磁性载体提供高图像质量的图像。此外，本发明稳定地提供了几乎不受环境波动和长期使用影响的良好图像，并且特别是在高温高湿环境下，具有优异的静置时的充电量的稳定性。本发明还提供一种磁性载体，其特征在于，载体芯表面涂覆有至少含有作为共聚组分的具有特定结构的丙烯酸类单体和具有特定结构的丙烯酸类大分子单体的共聚物。

7. 发明申请

WO2009081999A1 METHOD FOR PRODUCING ELECTROPHOTOGRAPHIC CARRIER AND ELECTROPHOTOGRAPHIC CARRIER PRODUCED BY USING THE METHOD 审中-公开
标题翻译：生产使用该方法生产的电子载体和电泳载体的方法
公开(公告)号：WO2009081999A1
公开(公告)日：2009-07-02
申请号：PCT/JP2008/073674
申请日：2008-12-18
申请人： CANON KABUSHIKI KAISHA , OKAMOTO, Naoki , BABA, Yoshinobu , ISHIGAMI, Koh , ENDO, Tomoko
发明人： OKAMOTO, Naoki , BABA, Yoshinobu , ISHIGAMI, Koh , ENDO, Tomoko
IPC分类号： G03G9/113
CPC分类号： G03G9/1131 , G03G9/1075 , G03G9/1132
摘要： In a method for coating electrophotographic carrier core surfaces with a resin composition by rotating a rotator having a plurality of agitating blades on its surface in a casing; a coating treatment material that is introduced to a space defined between the rotator and the casing is in a packing of from 50% to 98% by volume; at the time of coating treatment, the electrophotographic carrier core surfaces are coat-treated with the resin composition while being put forward and put backward; and the electrophotographic carrier cores and the resin composition are, at the time of coating treatment, temperature-controlled at a specific temperature T ( C) or below. This method enables the electrophotographic carrier core surfaces to be more uniformly coated with a coating resin.
摘要翻译：在通过在壳体的表面上旋转具有多个搅拌叶片的旋转体的用树脂组合物涂布电子摄影载体芯表面的方法中，引入到旋转体和壳体之间的空间的涂布处理材料的填充量为50体积％至98体积％在涂布处理时，将电子照相载体芯表面与树脂组合物进行涂布处理并向后放置; 并且电子照相载体芯和树脂组合物在涂布处理时在特定温度T（℃）或更低温度下进行温度控制。该方法能够使电子照相载体芯表面更均匀地涂覆有涂覆树脂。

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