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1. 发明专利

JP2009271545A Method for producing toner 审中-公开
标题翻译：生产调色剂的方法
公开(公告)号：JP2009271545A
公开(公告)日：2009-11-19
申请号：JP2009184582
申请日：2009-08-07
申请人： Canon Inc , キヤノン株式会社
发明人： IDA TETSUYA , ICHIKAWA YASUHIRO , IIDA HAGUMU , HOTTA YOJIRO , HAYAMI KAZUHIKO , TANIGAWA HIROHIDE
IPC分类号： G03G9/087 , G03G9/08 , G03G9/09 , G03G15/08
CPC分类号： G03G9/08755 , G03G9/081 , G03G9/091 , G03G9/0926
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a yellow toner which is excellent in transparency of an image formed on an OHP sheet, excelling in color reproducibility even when a light-pressure fixing unit is employed, excelling in coloring power and charge property, and is reduced in occurrence of filming, and to provide a method for manufacturing a yellow toner having superior durability and can contribute to the simplification or miniaturization of the constitution of an image forming apparatus. SOLUTION: The method for producing a toner includes steps of heating and mixing at least a colorant and a part of a binder resin in the presence of water to obtain a hydrated colorant master batch, having a water content of from 5 to 25 mass%; melt-kneading at least the hydrated colorant master batch and the remaining part of the binder resin to obtain a kneaded product; and pulverizing the kneaded product to obtain the toner. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种制造在OHP片上形成的图像的透明度优异的黄色调色剂的方法，即使使用光压定影单元也具有优异的色彩再现性，卓越的着色力并且电荷性能降低，并且降低了成膜的发生，并且提供了一种制造具有优异的耐久性的黄色调色剂的方法，并且可以有助于简化或小型化图像形成装置的结构。解决方案：调色剂的制造方法包括在水的存在下加热和混合至少着色剂和粘合剂树脂的一部分的步骤，得到含水率为5〜25的水合着色剂母料质量％至少将水合着色剂母料和剩余部分的粘合剂树脂熔融捏合以获得捏合产物; 并粉碎捏合产物以获得调色剂。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2005173208A Toner 审中-公开
标题翻译：碳粉
公开(公告)号：JP2005173208A
公开(公告)日：2005-06-30
申请号：JP2003413171
申请日：2003-12-11
申请人： Canon Inc , キヤノン株式会社
发明人： IIDA HAGUMU , IDA TETSUYA , KOMATSU NOZOMI , ICHIKAWA YASUHIRO , KASHIWA TAKAAKI , HOTTA YOJIRO
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide toner excellent in developing property, transfer property, fixing property, durability, environmental stability and release property from a carrier by maximizing the ability of the toner containing wax. SOLUTION: In the toner containing at least a binder resin, a colorant, wax and hydrophobic titanium oxide fine particles, the toner shows the maximum endothermic peak temperature in the range of 50 to 100°C in a 30 to 150°C temperature region in the endothermic curve by differential scanning calorimetry (DSC). The hydrophobic titanium oxide fine particles are surface treated with at least silicone oil or silicone varnish and shows the intensity ratio (Ia/Ib) of the maximum intensity Ia to the minimum intensity Ib in X-ray diffraction in the range of 20.0 to 40.0° of 2θ satisfying 5.0≤Ia/Ib≤12.0. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过使包含蜡的调色剂的能力最大化来提供显影性，转印性，定影性，耐久性，环境稳定性和从载体的剥离性能优异的调色剂。解决方案：在含有至少粘合剂树脂，着色剂，蜡和疏水性氧化钛细颗粒的调色剂中，调色剂在30至150℃下显示最大吸热峰温度在50至100℃的范围内通过差示扫描量热法（DSC）测定吸热曲线中的温度区域。疏水性氧化钛微粒用至少硅油或有机硅清漆进行表面处理，并将X射线衍射中的最大强度Ia与最小强度Ib的强度比（Ia / Ib）表示为20.0〜40.0° 的2θ满足5.0≤Ia/Ib≤12.0。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2005157342A Yellow toner, image forming apparatus and method for producing yellow toner 有权
标题翻译：黄色调色剂，图像形成装置和生产黄色调色剂的方法
公开(公告)号：JP2005157342A
公开(公告)日：2005-06-16
申请号：JP2004320410
申请日：2004-11-04
申请人： Canon Inc , キヤノン株式会社
发明人： IDA TETSUYA , ICHIKAWA YASUHIRO , IIDA HAGUMU , HOTTA YOJIRO , HAYAMI KAZUHIKO , TANIGAWA HIROHIDE
IPC分类号： G03G9/09 , G03G9/087 , G03G21/00 , G03G21/02
摘要： PROBLEM TO BE SOLVED: To provide a yellow toner which provides high transparency of an image formed on an OHP sheet, which shows excellent color reproducibility and favorable coloring power and charging property even when a light-pressure fixing means is used, and which suppresses the occurrence of filming, and to provide a yellow toner excellent in durability which can contribute to simplification or miniaturization of the constitution of an image forming apparatus. SOLUTION: The yellow toner contains a binder resin and a colorant, wherein the binder resin contains at least a polyester unit, and the toner in a powder state has a lightness L * and a chromaticity b * satisfying L * >87 and 106 * COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种黄色调色剂，其在OHP片材上形成的图像具有高透明度，即使使用轻压固定装置，也显示出优异的色彩再现性和良好的着色力和带电性，以及这抑制了成膜的发生，并且提供了有助于简化或小型化图像形成装置的结构的耐久性优异的黄色调色剂。解决方案：黄色调色剂含有粘合剂树脂和着色剂，其中粘合剂树脂至少含有聚酯单元，粉末状态的调色剂具有亮度L * 和色度b 分别满足L * > 87和106 * <120的 * 。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2005157343A Color toner and two-component developer 有权
标题翻译：彩色调色剂和双组分开发商
公开(公告)号：JP2005157343A
公开(公告)日：2005-06-16
申请号：JP2004320626
申请日：2004-11-04
申请人： Canon Inc , キヤノン株式会社
发明人： HASHIMOTO AKIRA , HOTTA YOJIRO , IIDA HAGUMU , HAYAMI KAZUHIKO , ICHIKAWA YASUHIRO , TANIGAWA HIROHIDE
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09 , G03G9/097 , G03G9/113
CPC分类号： G03G9/0827 , G03G9/0806 , G03G9/08755 , G03G9/08782 , G03G9/08786 , G03G9/08795 , G03G9/08797
摘要： PROBLEM TO BE SOLVED: To provide a toner superior in fixability, also having proper coloring power, color mixing properties, developability, durability and environmental stability, superior in transfer efficiency and gradation, and capable of stably forming an image that satisfies high definition. SOLUTION: The color toner contains at least a binder resin, a colorant and a wax, wherein a wax concentration of an extract obtained by dispersing the toner into n-hexane at a concentration of 15 mg/cm 3 at 23°C and, by subjecting the resultant dispersion to extraction treatment for 1 min is in a range of 0.080-0.500 mg/cm 3 ; an average circularity of particles each, having a circle-equivalent diameter of ≥3 μm in the toner, is in a range of 0.925-0.965; and the content of the wax is in the range of 1-15 parts by mass, with respect to 100 parts by mass of the binder resin. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供定影性优异的调色剂，也具有适当的着色力，混色性，显影性，耐久性和环境稳定性，转印效率和层次性优异的能够稳定地形成满足高分辨率的图像的调色剂定义。彩色调色剂至少含有粘合剂树脂，着色剂和蜡，其中通过将调色剂以15mg / cm 3的浓度分散在正己烷中而获得的提取物的蜡浓度< / SP>，并且通过使得到的分散体进行萃取处理1分钟在0.080-0.500mg / cm 3的范围内。调色剂中圆当量直径≥3μm的颗粒的平均圆形度在0.925-0.965的范围内; 相对于100质量份粘合剂树脂，蜡的含量在1-15质量份的范围内。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2005024580A Two-component developer 有权
标题翻译：两组分开发商
公开(公告)号：JP2005024580A
公开(公告)日：2005-01-27
申请号：JP2003186624
申请日：2003-06-30
申请人： Canon Inc , キヤノン株式会社
发明人： HOTTA YOJIRO , ICHIKAWA YASUHIRO , IIDA HAGUMU , HASHIMOTO AKIRA , KOMATSU NOZOMI , OKADO KENJI
IPC分类号： G03G9/08 , G03G9/087 , G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a two-component developer which can be fixed at low temperature, solves a problem of high temperature offset resistance, has wide latitude for sleeve contamination and carrier surface contamination, has excellent cleaning property and gives an image of high picture quality without fog or irregular density in a wide range from an image of a small area to an image with a large area. SOLUTION: The two-component developer containing a carrier and toner which contains at least a binder resin, a coloring agent and a release agent is characterized in that: (i) the binder resin contains at least a polyester unit; (ii) the transmittance B(%) of the toner in a 45 vol% aqueous solution of methanol is in the range of 10≤B≤70; (iii) the endothermic curve by differential scanning calorimetry (DSC) of the toner shows one or a plurality of endothermic peaks in the range of 30 to 110°C, and the temperature Tsc of the maximum endothermic peak in the above endothermic peaks is in the range of 65°C COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供可以在低温下固定的双组分显影剂，解决了耐高温抵抗性的问题，对于套筒污染和载体表面污染具有宽的自由度，具有优异的清洁性能，并给出在从小面积的图像到具有大面积的图像的宽范围内，没有雾或不规则密度的高图像质量的图像。包含至少含有粘合剂树脂，着色剂和脱模剂的载体和调色剂的双组分显影剂的特征在于：（i）粘合剂树脂至少含有聚酯单元; （ⅱ）调色剂在45体积％甲醇水溶液中的透过率B（％）在10≤B≤70的范围内; （iii）调色剂的差示扫描量热法（DSC）的吸热曲线表示在30〜110℃范围内的一个或多个吸热峰，上述吸热峰中最大吸热峰的温度Tsc为 65℃

6. 发明专利

JP2004333969A Color two-component type developer 有权
标题翻译：彩色双组分类型开发商
公开(公告)号：JP2004333969A
公开(公告)日：2004-11-25
申请号：JP2003131167
申请日：2003-05-09
申请人： Canon Inc , キヤノン株式会社
发明人： IDA TETSUYA , ICHIKAWA YASUHIRO , HAYAMI KAZUHIKO , TANIGAWA HIROHIDE , IIDA HAGUMU , HOTTA YOJIRO
IPC分类号： G03G9/08 , G03G9/09 , G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a color two-component type developer which makes it possible to obtain an image of high sharpness free of fogging, density fluctuation, electrostatic charge fluctuation, and voids by carrier adhesion and has high durability performance without depending upon an image area ratio. SOLUTION: The color two-component type developer containing at least toner and a carrier is characterized by that (i) the carrier has a silicone resin on its surface and has at least resin particles in the resin layer and (ii) the toner is inorganic fine powder having an oxide compound of at least the same metal existing in a number distribution grain size of COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种彩色双组分型显影剂，其可以通过载体粘附获得没有起雾，密度波动，静电电荷波动和空隙的高锐度图像，并且具有高耐久性能而没有取决于图像面积比。包含至少调色剂和载体的彩色双组分型显影剂的特征在于：（i）载体在其表面上具有硅树脂，并且在树脂层中至少具有树脂颗粒，和（ii）调色剂是具有至少相同金属的氧化物化合物的无机细粉末，其数量分布粒度在调色剂表面上具有<10nm和≥200nm的数量分布粒度，并且在数量分布晶粒尺寸上具有至少两个最大值调色剂表面从10nm到200nm，并且至少一个最大值在≥10nm和<60nm的区域中退出。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2004271851A Two-component type developer 有权
公开(公告)号：JP2004271851A
公开(公告)日：2004-09-30
申请号：JP2003061822
申请日：2003-03-07
申请人： Canon Inc , キヤノン株式会社
发明人： ICHIKAWA YASUHIRO , TANIGAWA HIROHIDE , KASHIWA TAKAAKI , BABA YOSHINOBU
IPC分类号： G03G9/08 , G03G9/10 , G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a two-component type developer which has excellent electrostatic chargeability and environmental stability and can contribute to miniaturization of an apparatus. SOLUTION: The two-component type developer, which contains at least a toner and a carrier and in which the toner contains at least a binder resin, coloring matter and wax; the mean circularity of the particles of ≥3 μm in the circle of the equivalent diameter is 0.915 to 0.960; the transmittance of the toner in an aqueous solution of 45 vol.% methanol is 10 to 70%; the surface of the carrier is coated with a resin and the true specific gravity of the carrier is 3.0 to 4.0, is used. COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2004264378A Two-component type developer 有权
公开(公告)号：JP2004264378A
公开(公告)日：2004-09-24
申请号：JP2003052328
申请日：2003-02-28
申请人： Canon Inc , キヤノン株式会社
发明人： ICHIKAWA YASUHIRO , KAMITAKI TAKAAKI , IIDA HAGUMU , KASHIWA TAKAAKI , SUGAWARA NOBUYOSHI , HOTTA YOJIRO
IPC分类号： G03G9/08 , G03G9/10 , G03G9/107 , G03G9/113
摘要： PROBLEM TO BE SOLVED: To provide a two-component type developer which can provide high-fineness images with the reduced fluctuation in image density for a long period. SOLUTION: The developer is obtained by combining a carrier which is formed by coating a ferrite core material with a resin, contains prescribed amounts of Mg, Ca and Mn, and has a prescribed grain size distribution and a toner which has a prescribed grain size distribution and viscoelastic characteristic. COPYRIGHT: (C)2004,JPO&NCIPI

9. 发明专利

JP2004078206A Black toner 审中-公开
公开(公告)号：JP2004078206A
公开(公告)日：2004-03-11
申请号：JP2003282756
申请日：2003-07-30
申请人： Canon Inc , キヤノン株式会社
发明人： SUGAWARA NOBUYOSHI , KAMITAKI TAKAAKI , ICHIKAWA YASUHIRO , IDA TETSUYA , HAYAMI KAZUHIKO , KOMATSU NOZOMI
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide a black toner excellent in environmental stability, electrostatic chargeability and transferability. SOLUTION: In the toner comprising toner particles comprising at least a binder resin, carbon black and a releasing agent, the weight average particle diameter of the toner particles is 3.5-8.0 μm, the sum of the acid value and hydroxyl value of the toner is 30-75 mgKOH/g, the average circularity of particles contained in the toner whose equivalent circular diameter is ≥2 μm is 0.915-0.960, the loss tangent tanδ of the toner at 10 3 -10 4 Hz frequency is tanδ≤0.0060, and the ratio of loss tangent tanδ at 10 5 Hz frequency to that at 5×10 4 Hz frequency is within the range of 1.05≤tanδ(10 5 Hz)/tanδ(5×10 4 Hz)≤1.40. COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2005107517A Color toner and full-color image forming method using the color toner 有权
标题翻译：彩色调色剂和全彩色图像形成方法使用彩色调色剂
公开(公告)号：JP2005107517A
公开(公告)日：2005-04-21
申请号：JP2004264218
申请日：2004-09-10
申请人： Canon Inc , キヤノン株式会社
发明人： ISHIGAMI HISASHI , HAYAMI KAZUHIKO , KOBORI NAOKUNI , IDA TETSUYA , KOMATSU NOZOMI , HASHIMOTO AKIRA , TANIGAWA HIROHIDE , ICHIKAWA YASUHIRO , ITAKURA TAKAYUKI , FUJIKAWA HIROYUKI , SUGAWARA NOBUYOSHI
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
摘要： PROBLEM TO BE SOLVED: To provide color toner excellent in transferring property, developing property and endurance stability and to provide an image forming method. SOLUTION: In the color toner having toner particles containing at least a binder resin, a colorant and a release agent, and inorganic fine particles, (i) in the toner particles, particles having a circle-equivalent diameter of ≥3.00 μm have an average circularity of 0.920 to COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供转印性，显影性和耐久性稳定性优异的彩色调色剂，并提供图像形成方法。解决方案：在具有至少含有粘合剂树脂，着色剂和脱模剂的调色剂颗粒和无机细颗粒的彩色调色剂中，（i）在调色剂颗粒中，具有圆当量直径≥3.00μm的颗粒平均圆形0.920至<0.950; （ii）在调色剂颗粒中圆当量直径≥3.00μm的颗粒中，圆形度≥0.960的颗粒的数频率累积值≤40％; 和（iii）在调色剂颗粒中具有圆当量直径≥3.00μm的颗粒中，圆形度≤0.920的颗粒的数量频率累积值≤30％。版权所有（C）2005，JPO＆NCIPI

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