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    • 1. 发明专利
    • toner
    • 碳粉
    • JP2011137947A
    • 2011-07-14
    • JP2009297290
    • 2009-12-28
    • Canon Incキヤノン株式会社
    • KENMOKU TAKASHIITABASHI HITOSHITAKADA HARUMI
    • G03G9/097G03G9/087
    • PROBLEM TO BE SOLVED: To provide a toner containing a charge controlling agent having a charge controlling function that gives faster rising of charges in a short period of time up to a sufficient charge amount and stably maintains the charge level from the initial stage to a period after printing a large number of sheets. SOLUTION: The toner comprises toner particles containing a binder resin, a colorant and a charge controlling agent, wherein the charge controlling agent comprises a polymer containing a unit A expressed by formula (1) and further containing a unit of a metal salt or a metal complex with metal and a unit having no metal. The metal amount in the polymer is 5 mol% or more and 40 mol% or less with respect to the unit A. In formula (1), COOH and OH are bonded at positions adjacent to each other; R 1 represents hydrogen or a 1-6C alkyl group; and R 2 represents hydrogen or a methyl group. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种含有电荷控制剂的调色剂,其具有电荷控制功能,其在短时间内提供更快的电荷上升直至足够的电荷量,并从初始阶段稳定地维持电荷水平 到一段时间后打印大量的床单。 调色剂包括含有粘合剂树脂,着色剂和电荷控制剂的调色剂颗粒,其中电荷控制剂包含含有由式(1)表示的单元A并且还含有金属盐单位的聚合物 或具有金属的金属络合物和不具有金属的单元。 聚合物中的金属量相对于单元A为5摩尔%以上且40摩尔%以下。在式(1)中,COOH和OH键合在彼此相邻的位置; R SB 1表示氢或1-6C烷基; R SB 2表示氢或甲基。 版权所有(C)2011,JPO&INPIT
    • 2. 发明专利
    • Toner
    • 碳粉
    • JP2010250087A
    • 2010-11-04
    • JP2009099758
    • 2009-04-16
    • Canon Incキヤノン株式会社
    • ITABASHI HITOSHIKENMOKU TAKASHI
    • G03G9/09G03G9/087G03G9/097
    • PROBLEM TO BE SOLVED: To provide a toner exhibiting both of reproducibility of thin lines and minute dots and a wide color space of images and thereby, capable of achieving high picture qualities. SOLUTION: The toner contains toner particles obtained by dispersing a monomer composition containing a polymerizable monomer, a colorant and a release agent in an aqueous medium and carrying out a polymerization reaction. The toner contains a metal phthalocyanine or derivatives thereof in which the center metal can form a five-coordinate or six-coordinate structure. The toner particles have a weight average particle diameter (D 4 ) of 4.0 to 10.0 μm. When a toner particle having a cross-sectional particle diameter within the range of D 4 ±1 μm is selected from a magnified cross-sectional picture of the above toner particles by a transmission electron microscope, a central abundance index of the colorant particles defined below is 0.00 to 0.70. The central abundance index is expressed by a ratio of Ri to Ra, wherein Ri represents an abundance ratio of the colorant particles included in a center area defined by reducing the contour of the toner particle by 75% and Ra represents an abundance ratio of the colorant particles included within the 100% contour of the toner particle. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供具有细线和微小点的再现性和图像的宽色彩空间的调色剂,从而能够实现高图像质量。 调色剂含有通过将含有可聚合单体,着色剂和脱模剂的单体组合物分散在水性介质中并进行聚合反应而得到的调色剂颗粒。 调色剂含有金属酞菁或其衍生物,其中中心金属可以形成五坐标或六坐标结构。 调色剂颗粒的重均粒径(D 4 )为4.0〜10.0μm。 当通过透射电子显微镜从上述调色剂颗粒的放大截面图中选择截面粒径在D 4 ±1μm范围内的调色剂颗粒时,中心丰度 下面定义的着色剂颗粒的指数为0.00-0.70。 中心丰度指数由Ri与Ra的比率表示,其中Ri表示通过将调色剂颗粒的轮廓减少75%而定义的中心区域中包含的着色剂颗粒的丰度比,Ra表示着色剂的丰度比 包括在调色剂颗粒的100%轮廓内的颗粒。 版权所有(C)2011,JPO&INPIT
    • 3. 发明专利
    • Method for producing polymerized toner, polymerized toner, method for producing binder resin for toner and binder resin for toner
    • 生产聚合物聚合物的方法,聚合物调色剂,用于生产用于调色剂和粘合剂树脂的粘合剂的粘合剂的方法
    • JP2009003438A
    • 2009-01-08
    • JP2008130529
    • 2008-05-19
    • Canon Incキヤノン株式会社
    • TANI ATSUSHIFUJIMOTO NORIKAZUITABASHI HITOSHI
    • G03G9/087C08F2/44
    • G03G9/0806
    • PROBLEM TO BE SOLVED: To provide a method for producing a toner that can suppress the production of the decomposition products derived from a polymerization initiator, and can suppress the remaining presence, in the toner particles, of the unreacted polymerizable monomer and decomposition product residues, and to thereby provide a toner that is excellent in triboelectric charging stability and can yield stable images over a long term. SOLUTION: The method for producing a polymerized toner includes a step of producing a polymerized toner particle by dispersing in an aqueous medium a polymerizable monomer composition including at least a polymerizable monomer and a colorant and by polymerizing the polymerizable monomer by using a polymerization initiator in the aqueous medium, wherein the polymerization initiator has a structure represented by formula (wherein R 1 and R 2 each independently represent an optionally branched or substituted 1-6C aliphatic hydrocarbon group, and R 3 represents an optionally branched 3-12C aliphatic hydrocarbon group). COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种制造可以抑制由聚合引发剂衍生的分解产物的生成的调色剂的方法,并且可以抑制未调色的可聚合单体在调色剂颗粒中剩余的存在和分解 产品残留物,从而提供摩擦带电稳定性优异并能够长期产生稳定图像的调色剂。 解决方案:聚合调色剂的制造方法包括通过在水性介质中分散至少包含可聚合单体和着色剂的可聚合单体组合物并通过聚合使聚合性单体聚合来制备聚合调色剂颗粒的步骤 引发剂,其中聚合引发剂具有式(其中R SB 1和R SB 2各自独立地表示任选支链或取代的1-6C脂族烃) 基团,R SB 3表示任选支链的3-12C脂族烃基)。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • toner
    • 托尼
    • JP2013068948A
    • 2013-04-18
    • JP2012198456
    • 2012-09-10
    • Canon Incキヤノン株式会社
    • KENMOKU TAKASHIITABASHI HITOSHIMASUMOTO AKANE
    • G03G9/087G03G9/097
    • G03G9/09783G03G9/0806G03G9/08704G03G9/08706G03G9/08708G03G9/08722G03G9/08791G03G9/08795G03G9/08797
    • PROBLEM TO BE SOLVED: To solve a conventional problem of a toner prone to be influenced by temperature and humidity environment change with regard to a charge amount and a start-up of the charge amount to cause image density fluctuation at printing, and specifically in high temperature and high humidity surroundings, to cause a deficiency such as image fog due to uneven charge amount distribution.SOLUTION: A toner contains a toner particle obtained by dispersing a monomer composition including a polymerizable monomer and a coloring agent in an aqueous medium to form a droplet, and then polymerizing the polymerizable monomer in the droplet. The toner includes a polymer formed by a polymerization reaction of the polymerizable monomer and a metal compound having a vinyl group in the toner particle. The metal compound having the vinyl group is a compound having a structure metal-bonded at a salicylic acid or a portion derived from -COOMand/or -OH of a derivative portion of the salicylic acid of an aromatic compound A expressed by a formula (1) below.
    • 要解决的问题为了解决容易受温度和湿度环境影响的调色剂的常规问题关于充电量和充电量的启动,导致打印时图像浓度波动,以及 特别是在高温高湿环境下,由于不均匀的电荷量分布导致图像雾化等缺陷。 解决方案:调色剂含有通过将包含可聚合单体和着色剂的单体组合物分散在水性介质中以形成液滴而获得的调色剂颗粒,然后在液滴中聚合可聚合单体。 调色剂包括通过可聚合单体和调色剂颗粒中具有乙烯基的金属化合物的聚合反应形成的聚合物。 具有乙烯基的金属化合物是具有在水杨酸金属键合的结构的化合物或衍生自-COOM的衍生部分的-COOM的部分和/或 由下式(1)表示的芳族化合物A的水杨酸。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Toner
    • 碳粉
    • JP2012256043A
    • 2012-12-27
    • JP2012114143
    • 2012-05-18
    • Canon Incキヤノン株式会社
    • KENMOKU TAKASHIITABASHI HITOSHIMASUMOTO AKANE
    • G03G9/097C08F12/22C08F220/58G03G9/087
    • G03G9/09733G03G9/0806G03G9/0815G03G9/08706G03G9/08708G03G9/08711G03G9/08722G03G9/08726G03G9/08733G03G9/08791G03G9/09321
    • PROBLEM TO BE SOLVED: To solve such problems that a toner charge amount and rising of a toner charge amount are more sensitive to changes in a temperature and humidity environment, thereby the image density is changed during printing, and particularly under a high temperature and high humidity condition, failure such as an image fogging associated with an uneven charge amount distribution can be induced.SOLUTION: There is provided a toner comprising toner particles containing a charging component and a colorant, the toner containing a polymer having a partial structure represented by formula (1) as a side chain. In the formula, Rrepresents a hydroxyl group, a carboxyl group, an alkyl group having 1 to 18 carbon atoms, or an alkoxyl group having 1 to 18 carbon atoms; Rrepresents a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 18 carbon atoms, or an alkoxyl group having 1 to 18 carbon atoms; m represents an integer of 0 to 3, and when m is 2 or 3, each Rcan be independently selected; n represent an integer of 1 to 3; and * represents a binding site in the polymer.
    • 要解决的问题为了解决调色剂充电量和调色剂充电量的上升对温度和湿度环境变化更敏感的问题,从而在打印期间,特别是在高的温度下,图像浓度变化 温度和高湿度条件下,可以诱发与不均匀的电荷量分布相关联的诸如图像起雾的故障。 提供一种包含含有充电组分和着色剂的调色剂颗粒的调色剂,该调色剂含有具有由式(1)表示的部分结构的聚合物作为侧链。 在该式中,R 1 表示羟基,羧基,碳原子数1〜18的烷基或碳原子数1〜18的烷氧基。 R 2表示氢原子,羟基,碳原子数1〜18的烷基或碳原子数1〜18的烷氧基。 m表示0〜3的整数,当m为2或3时,可以独立地选择每个R 1 n表示1〜3的整数, 和*表示聚合物中的结合位点。 版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Toner
    • 碳粉
    • JP2011137968A
    • 2011-07-14
    • JP2009297468
    • 2009-12-28
    • Canon Incキヤノン株式会社
    • TAKADA HARUMIITABASHI HITOSHIKENMOKU TAKASHI
    • G03G9/08
    • PROBLEM TO BE SOLVED: To provide a toner which achieves quick rising of charge amount in a high-speed one-component developing system, has a sharp charge amount distribution, ensures good developing efficiency and transferability even after copying on many sheets, and gives high image quality. SOLUTION: The toner comprises toner particles prepared by fixing resin fine particles (a) on surfaces of base particles C containing a binder resin, a colorant and a wax, wherein an amount of fine particles including the resin fine particles (a) is ≥0.05 mass% relative to the mass of the base particles C. The resin fine particles (a) contain a specific unit A, the base particles C contain a resin containing a specific unit B, a content of the unit A in the resin fine particles is 0.010-0.800 mmol/g, and a molar ratio between contents of the unit A and the unit B in the toner particles is 0.10-10.00. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供在高速单组分显影系统中实现快速升高电荷量的调色剂,具有尖锐的电荷量分布,即使在许多片材上复印之后也确保良好的显影效率和转印性, 并赋予高画质。 调色剂包括通过将树脂细颗粒(a)固定在包含粘合剂树脂,着色剂和蜡的基础颗粒C的表面上而制备的调色剂颗粒,其中包括树脂细颗粒(a)的细颗粒的量, 相对于基体颗粒C的质量为≥0.05质量%。树脂细颗粒(a)含有特定单元A,基础颗粒C含有含有特定单元B的树脂,树脂中单元A的含量 细颗粒为0.010-0.800mmol / g,调色剂颗粒中单元A和单元B的含量之间的摩尔比为0.10-10.00。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • toner
    • 碳粉
    • JP2011137967A
    • 2011-07-14
    • JP2009297467
    • 2009-12-28
    • Canon Incキヤノン株式会社
    • ITABASHI HITOSHIKENMOKU TAKASHITAKADA HARUMI
    • G03G9/08G03G9/087
    • PROBLEM TO BE SOLVED: To provide toner capable of achieving both of picture qualities and stability after an operation of copying a large number of sheets, even in a high-speed single component developing system. SOLUTION: The toner includes toner particles formed by sticking fine particles containing resin fine particles (b) on the surface of base particles (A) containing a binder resin, a colorant and a release agent. The fine particles containing the resin fine particles (b) are included by 0.50 mass% or more and 10.00 mass% or less with respect to the mass of the base particles (A). The resin fine particles (b) contain: a unit L having a salicylic acid-based substituent; and the content of the unit L included in the resin fine particles (b) is 0.070 mmol/g or more and 1.000 mmol/g or less. The base particles (A) contain a polymer or a copolymer having a specified unit M. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:即使在高速单组分显影系统中,即使在复印大量纸张的操作之后,也能够提供能够实现图像质量和稳定性的调色剂。 调色剂包括通过将含有树脂微粒(b)的细颗粒粘附在含有粘合剂树脂,着色剂和脱模剂的基础颗粒(A)的表面上形成的调色剂颗粒。 含有树脂微粒(b)的微粒子相对于基础粒子(A)的质量含有0.50质量%以上且10.00质量%以下。 树脂微粒(b)含有:具有水杨酸系取代基的单元L; 树脂微粒(b)中所含的单元L的含量为0.070mmol / g以上且1.000mmol / g以下。 基础颗粒(A)含有具有指定单位M的聚合物或共聚物。版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • toner
    • 碳粉
    • JP2011028150A
    • 2011-02-10
    • JP2009176161
    • 2009-07-29
    • Canon Incキヤノン株式会社
    • TOMINAGA HIDEYOSHIITABASHI HITOSHIAYAKI YASUKAZU
    • G03G9/08G03G9/087
    • PROBLEM TO BE SOLVED: To provide a toner which even with improved low-temperature fixing performance, has good hot storage resistance and durable stability, exhibits excellent offset resistance and glossiness, and enables to form a high-quality image. SOLUTION: The toner includes toner particles including at least a binder resin, a colorant and a release agent, and an inorganic fine powder. When a storage modulus (G') of the toner by a dynamic viscoelasticity test is converted to common logarithm (log 10 G'), in a temperature-inclination curve with the inclination of the log 10 G' at each temperature as the y-axis and the temperature at that time as the x-axis, the toner has a first peak bottom Tx(°C) at 25.0-60.0°C, a first peak top Ty(°C) at 45.0-70.0°C, and a second peak bottom Tz(°C) at 60.0-90.0°C, wherein the Ty(°C) is larger than the Tx(°C) and the Tz(°C) is larger than the Ty(°C). When a value of the y-axis at the Tx(°C) is considered to be Rx, a value of the y-axis at the Ty (°C) to be Ry, and a value of the y-axis at the Tz(°C) to be Rz, the Rx is larger than the Rz and the difference between the Ry and the Rz (Ry-Rz) is 0.060-0.500. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供即使具有改进的低温定影性能,具有良好的耐热储存性和耐久稳定性的调色剂,显示出优异的抗偏移性和光泽度,并且能够形成高质量的图像。 调色剂包括至少包含粘合剂树脂,着色剂和脱模剂的调色剂颗粒和无机细粉末。 当通过动态粘弹性试验将调色剂的储能模量(G')转换成常数对数(log 10 G')时,在具有log 在每个温度下的10 G'作为y轴,此时的温度作为x轴,调色剂在25.0-60.0℃具有第一峰底Tx(℃),第一峰顶 Ty(℃)为45.0-70.0℃,第二峰底Tz(℃)为60.0-90.0℃,其中Ty(℃)大于Tx(℃),Tz(°C) C)大于Ty(℃)。 当Tx(℃)处的y轴的值被认为是Rx时,Ty(℃)处的y轴的值为Ry,在Tz处的y轴的值 (°C)为Rz,Rx大于Rz,Ry和Rz(Ry-Rz)之间的差为0.060-0.500。 版权所有(C)2011,JPO&INPIT