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41. 发明专利

JP2012014166A Magnetic toner 有权
标题翻译：磁性墨粉
公开(公告)号：JP2012014166A
公开(公告)日：2012-01-19
申请号：JP2011122749
申请日：2011-05-31
申请人： Canon Inc , キヤノン株式会社
发明人： AOKI KOZUE , HASEGAWA YUSUKE , SUZUMURA SADATAKA
IPC分类号： G03G9/083 , G03G9/08
CPC分类号： G03G9/0835 , G03G9/0802 , G03G9/0804 , G03G9/0833 , G03G9/0834 , G03G9/0836
摘要： PROBLEM TO BE SOLVED: To provide a magnetic toner, which has superior charging stability and charging uniformity, maintains stable developing property without any dependence on a service environment, and hardly causes decrease in image density and image defects such as fog and ghost.SOLUTION: The magnetic toner comprises magnetic toner particles containing a binder resin and a magnetic material, and an inorganic fine powder, and is characterized in that: (a) the magnetic toner shows, at a frequency of 100 kHz and a temperature of 30°C, a dielectric loss factor (ε") of 2.5×10pF/m or more and 7.0×10pF/m or less and a dielectric dissipation factor (tanδ) of 3.0×10or less; and (b) the magnetic toner shows, in a dielectric dissipation factor (tanδ) thereof at a frequency of 100 kHz, a maximum value (tanδ) within the temperature range from 60 to 140°C; and the tanδand tanδsatisfy a relation of (tanδ-tanδ)≤3.0×10.
摘要翻译：要解决的问题：提供具有优异的充电稳定性和充电均匀性的磁性调色剂，保持稳定的显影性能而不依赖于使用环境，并且几乎不会导致图像浓度的降低和诸如雾和鬼的图像缺陷。磁性调色剂包括含有粘合剂树脂和磁性材料的磁性调色剂颗粒和无机细粉末，其特征在于：（a）磁性调色剂以100kHz的频率和温度在30°C的情况下，介电损耗因子（ε“）为2.5×10 pF / m以上且7.0×10 -1 pF / m以下，介电损耗因数（tanδ L ）为3.0×10 H SB） 60〜140℃，tanδ H 和tanδ L 满足关系式（tanδ-tanδ L ）≤3.0×10 - 2 版权所有（C）2012 ，JPO＆INPIT

42. 发明专利

JP2010266853A Magnetic toner 有权
标题翻译：磁性墨粉
公开(公告)号：JP2010266853A
公开(公告)日：2010-11-25
申请号：JP2010081831
申请日：2010-03-31
申请人： Canon Inc , キヤノン株式会社
发明人： SANO TOMOHISA , MAGOME MICHIHISA , MATSUI TAKASHI , SAKAKIBARA AKIRA , HIROKO SHUICHI , SUZUMURA SADATAKA , NOMURA SHOTARO
IPC分类号： G03G9/083 , G03G9/087
CPC分类号： G03G9/0832 , G03G9/0806 , G03G9/0834 , G03G9/0839
摘要： PROBLEM TO BE SOLVED: To provide a toner excellent in low temperature fixability, releasing performance and development stability in long-term use in a high temperature and high humidity environment.
SOLUTION: The magnetic toner includes magnetic toner particles containing at least a binder resin and a magnetic material, and an inorganic fine powder, wherein the magnetic material is a treated magnetic material treated with a silane compound; the treated magnetic material has a water absorption per unit area based on a BET specific surface area of 0.300 mg/m
2 or less; the treated magnetic material has a portion of styrene extractables by 25 mass% or less in the silane compound included in the treated magnetic material; and the silane compound with which the treated magnetic material is treated contains a compound having a hydrocarbon group having 2 or more and 4 or less carbon atoms as a main component.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供在高温高湿环境下长期使用的低温定影性，脱模性能和显影稳定性优良的调色剂。磁性调色剂包括至少含有粘合剂树脂和磁性材料的磁性调色剂颗粒和无机细粉末，其中磁性材料是用硅烷化合物处理的处理过的磁性材料; 经处理的磁性材料基于BET比表面积为0.300mg / m 2 / SP以上的单位面积的吸水性，经处理的磁性材料在处理的磁性材料中包含的硅烷化合物中苯乙烯可提取物的一部分为25质量％以下。被处理的磁性材料被处理的硅烷化合物含有具有2个以上且4个以下碳原子的烃基作为主要成分的化合物。版权所有（C）2011，JPO＆INPIT

43. 发明专利

JP4440480B2 toner 有权
公开(公告)号：JP4440480B2
公开(公告)日：2010-03-24
申请号：JP2000602891
申请日：2000-03-02
申请人：パナソニック株式会社
发明人：正寿前田 , 典昭廣田 , 安仁湯浅
IPC分类号： G03G9/087 , C08F210/00 , C08G18/42 , G03G9/08 , G03G9/09 , G03G9/097 , G03G15/01 , G03G15/08 , G03G15/16
CPC分类号： G03G9/081 , G03G9/0819 , G03G9/0821 , G03G9/0833 , G03G9/0834 , G03G9/0835 , G03G9/0836 , G03G9/0838 , G03G9/08704 , G03G9/08728 , G03G9/08755 , G03G9/08782 , G03G9/08786 , G03G9/08793 , G03G9/08795 , G03G9/08797 , G03G9/09716 , G03G9/09725

44. 发明专利

JP2009109817A Magnetic toner and image forming method 有权
标题翻译：磁选和图像形成方法
公开(公告)号：JP2009109817A
公开(公告)日：2009-05-21
申请号：JP2007283128
申请日：2007-10-31
申请人： Canon Inc , キヤノン株式会社
发明人： MAGOME MICHIHISA , MICHIGAMI TADASHI , YANASE ERIKO , MATSUI TAKASHI , SANO TOMOHISA , HIROKO SHUICHI
IPC分类号： G03G9/083 , G03G15/08 , G03G15/09
CPC分类号： G03G15/0914 , G03G9/0819 , G03G9/0833 , G03G9/0834 , G03G9/0835 , G03G9/0836 , G03G9/0837 , G03G9/09716 , G03G9/09725 , G03G2215/0614
摘要： PROBLEM TO BE SOLVED: To solve such a problem that a thin image density and sweeping occur when a toner carrying member having a small diameter is used. SOLUTION: This invention relates to an image-forming method in which a toner layer thickness regulating member is abutted on the toner carrying member having an outer diameter of 8.0 to 2 /kg in a 79.6 kA/m (1,000 Oe) magnetic field. When a surface free energy of a surface of the magnetic toner is denoted as A (mJ/m 2 ) and a surface free energy of a surface of the toner carrying member is denoted as X (mJ/m 2 ), A and X satisfy expressions (1):1.00≤X/A≤4.00 and (2):10.0 mJ/m 2 ≤A≤55.0 mJ/m 2 . COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题为了解决当使用具有小直径的调色剂承载构件时出现薄图像浓度和扫描的问题。解决方案：本发明涉及一种图像形成方法，其中调色剂层厚度调节部件与外径为8.0至<12.0mm的调色剂承载部件抵接并携带磁性调色剂以形成调色剂层用于形成图像的调色剂承载构件。磁性调色剂在79.6kA / m（1,000Oe）磁场中的重均粒径（D4）为8.0-14.0μm，磁化强度为16.0-25.0Am 2 / SP / kg 。当磁性调色剂的表面的表面自由能被表示为A（mJ / m 2 ），并且调色剂承载构件的表面的表面自由能被表示为X（mJ / m ＆lt; SP＆gt; 2＆lt; / SP＆gt;），A和X满足表达式（1）：1.00≤X/A≤4.00和（2）：10.0mJ / m 2 ≤A≤55.0mJ/ m 2 。版权所有（C）2009，JPO＆INPIT

45. 发明专利

JP2008230960A Black magnetic iron oxide particle 有权
标题翻译：黑色磁铁氧化物颗粒
公开(公告)号：JP2008230960A
公开(公告)日：2008-10-02
申请号：JP2008040971
申请日：2008-02-22
申请人： Toda Kogyo Corp , 戸田工業株式会社
发明人： UEMOTO SHINJI , UCHIDA NAOKI , KAMIGAKI MAMORU , IWAI AKIRA , MISAWA HIROMITSU , AOKI ISATAKA
IPC分类号： C01G49/08 , G03G9/083
CPC分类号： C01G49/08 , C01P2004/62 , C01P2006/12 , C01P2006/42 , C01P2006/63 , C01P2006/80 , G03G9/0833 , G03G9/0834 , G03G9/0836 , G03G9/0837 , Y10S428/90 , Y10T428/2982 , Y10T428/2991
摘要： PROBLEM TO BE SOLVED: To provide black magnetic iron oxide particles having a polyhedral shape comprising magnetic particles having a high blackness, and a magnetic toner having a high blackness when the magnetic toner is produced by using the black magnetic iron oxide particles of the present invention. SOLUTION: The black magnetic iron oxide particles have a polyhedral shape, wherein a percentage of dissolution of iron element based on a total amount of iron element contained in the black magnetic iron oxide particles is 50%, a percentage of dissolution of sulfur element based on a total amount of sulfur element contained in the black magnetic iron oxide particles is less than 40%, and the content of sulfur is 0.02-0.50% by weight. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供具有包括具有高黑色度的磁性颗粒的多面体形状的黑色磁性氧化铁颗粒和当通过使用黑色磁性氧化铁颗粒制备磁性调色剂时具有高黑色度的磁性调色剂本发明。解决方案：黑色磁性氧化铁颗粒具有多面体形状，其中铁元素基于黑色磁性氧化铁颗粒中含有的铁元素总量的溶解百分比为50％，硫的溶解百分比基于黑色磁性氧化铁颗粒中所含的硫元素总量的元素小于40％，硫含量为0.02-0.50重量％。版权所有（C）2009，JPO＆INPIT

46. 发明专利

JP2006301357A Magnetic monocomponent toner and image forming method 审中-公开
标题翻译：磁性单声道和图像形成方法
公开(公告)号：JP2006301357A
公开(公告)日：2006-11-02
申请号：JP2005123907
申请日：2005-04-21
申请人： Kyocera Mita Corp , 京セラミタ株式会社
发明人： KURAMASU KOJI
IPC分类号： G03G9/087 , G03G9/08 , G03G9/083
CPC分类号： G03G9/08795 , G03G9/0832 , G03G9/0833 , G03G9/0834 , G03G9/0836 , G03G9/0838 , G03G9/08755 , G03G9/08782 , G03G9/08793 , G03G9/08797 , G03G9/09708 , G03G9/09716 , G03G9/09725
摘要： PROBLEM TO BE SOLVED: To provide a magnetic monocomponent developer which ensures stable transport performance over a prolonged period of time, and an image forming method using the same.
SOLUTION: The magnetic monocomponent toner contains 45-65 wt.% of a binder resin, 1-15 wt.% of a wax and 30-50 wt.% of magnetic powder, based on the total amount. The image forming method using the toner is also provided. The toner contains a first polyester resin whose weight average molecular weight peak is 1.0×10
4 -5.0×10
4 and a second polyester resin whose weight average molecular weight peak is 1.0×10
6 -5.0×10
6 as the binder resin, and the second polyester resin contains 5-30 wt.% of a tetrahydrofuran-insoluble component based on the total amount of the binder resin. The wax is an ester compound or Fischer-Tropsch wax and has such a melting property as a temperature region of 70-95°C from the beginning of melting to the end of melting.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种在长时间内确保稳定的输送性能的磁性单组分显影剂，以及使用其的图像形成方法。解决方案：基于总量，磁性单组分调色剂含有45-65重量％的粘合剂树脂，1-15重量％的蜡和30-50重量％的磁粉。还提供了使用调色剂的图像形成方法。该调色剂含有重均分子量峰值为1.0×10 -4 SPX-1的第一聚酯树脂和重均分子量峰值为1.0的第二聚酯树脂 ×10 6 -5.0×10 6 作为粘合剂树脂，第二聚酯树脂含有5-30重量％的不溶于四氢呋喃的组分，的粘合剂树脂。蜡是酯化合物或费托蜡，并且具有从熔融开始到熔融结束时温度区域为70-95℃的熔融性质。版权所有（C）2007，JPO＆INPIT

47. 发明专利

JP3686167B2 Multilayer film-coated powder 失效
公开(公告)号：JP3686167B2
公开(公告)日：2005-08-24
申请号：JP14741996
申请日：1996-06-10
申请人：勝人中塚 , 日鉄鉱業株式会社
发明人：勝人中塚 , 貴史新子
IPC分类号： B22F1/02 , C03C12/02 , C03C17/34 , C09C1/00 , C09C3/06 , C23C26/00 , C23C28/00 , C23C28/04 , C23C30/00 , G03G9/083
CPC分类号： G03G9/0834 , B22F1/02 , C01P2004/86 , C01P2006/60 , C03C12/02 , C03C17/3452 , C03C17/347 , C03C17/3494 , C09C3/063 , C23C26/00 , C23C28/04 , C23C28/044 , Y10T428/2991
摘要： A powder comprising a base particle which has been colored desirably and vividly and having a high light transmittance in the visible region. The powder is a multilayer-coated powder comprising a base particle having thereon a multilayered film comprising at least one thin layer comprising a metal sulfide, a metal fluoride, a metal carbonate or a metal phosphate. This multilayered film reflects or absorbs the light having a specific wavelength according to the thickness thereof, the sequence of layer superposition, etc.

48. 发明专利

JP2004117963A Dry toner 有权
公开(公告)号：JP2004117963A
公开(公告)日：2004-04-15
申请号：JP2002282761
申请日：2002-09-27
申请人： Canon Inc , キヤノン株式会社
发明人： YAMAZAKI KATSUHISA , IIDA HIDETO , KASUYA TAKASHIGE , YUSA HIROSHI , OGAWA YOSHIHIRO , MORIBE SHUHEI
IPC分类号： G03G9/083 , G03G9/087
CPC分类号： G03G9/0837 , G03G9/0834
摘要： PROBLEM TO BE SOLVED: To provide a dry toner in which the rise of the toner charge amount is rapid, the degradation of image quality and reduction in image density are not caused even after a long-term use, and which is excellent in environmental stability. SOLUTION: In a toner including at least a binder resin and magnetic iron oxide, the magnetic iron oxide contains 0.1 to 2.0% by mass of Si with respect to the magnetic iron oxide and 0.1 to 4.0% by mass of Zn with respect to the magnetic iron oxide, the concentration of Si atoms is 12.50 to 17.50%, the concentration of Fe atoms is 70.00 to 85.00%, and the concentration of Zn atoms is 1.00 to 7.00% on the outermost surface of the magnetic iron oxide, measured by an X-ray photoelectron spectroscopy (XPS), and the Zn/Si ratio being 0.05 to 0.5, the Fe/Si ratio being 3.00 to 7.00, and the Fe/Zn ratio being 10.00 to 70.00 on the outermost surface of the magnetic iron oxide. COPYRIGHT: (C)2004,JPO

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