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公开(公告)号：US07244539B2
公开(公告)日：2007-07-17
申请号：US10834073
申请日：2004-04-29
申请人： Yoshinobu Baba , Ryoichi Fujita , Takaaki Kaya , Kazuo Terauchi
发明人： Yoshinobu Baba , Ryoichi Fujita , Takaaki Kaya , Kazuo Terauchi
IPC分类号： G03G9/113
CPC分类号： G03G9/1139 , G03G9/107 , G03G9/1075 , G03G9/1134 , G03G9/1138
摘要： A magnetic carrier includes a magnetic material-dispersed resin core containing at least a magnetic material and a binder resin. The surface of the magnetic material-dispersed resin core is coated with a coating material containing at least a fluorine resin and 1 to 40 parts by weight of fine particles based on 100 parts by weight of the fluorine resin. The coating material is in an amount of 0.3 to 4.0 parts by weight based on 100 parts by weight of the magnetic material-dispersed resin core. The magnetic carrier has a contact angle of 95 to 125°. A two-component developer is also provided which makes use of the magnetic carrier.
摘要翻译： 磁性载体包括至少包含磁性材料和粘合剂树脂的磁性材料分散树脂芯。 基于100重量份的氟树脂，磁性材料分散树脂芯的表面涂覆有至少含有氟树脂的涂料和1至40重量份的微粒。 基于100重量份的磁性材料分散树脂核心，涂料的量为0.3〜4.0重量份。 磁性载体的接触角为95〜125°。 还提供了使用磁性载体的双组分显影剂。
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公开(公告)号：US07144668B2
公开(公告)日：2006-12-05
申请号：US10792732
申请日：2004-03-05
申请人： Yoshinobu Baba , Yuko Sato , Ryoichi Fujita , Takaaki Kotaki , Nobuyoshi Sugahara , Kazuo Terauchi , Takayuki Itakura
发明人： Yoshinobu Baba , Yuko Sato , Ryoichi Fujita , Takaaki Kotaki , Nobuyoshi Sugahara , Kazuo Terauchi , Takayuki Itakura
IPC分类号： G03G9/087
CPC分类号： G03G9/08742 , G03G9/0819 , G03G9/0821 , G03G9/0827 , G03G9/08702 , G03G9/08755 , G03G9/10 , G03G9/1134
摘要： The present invention provides a toner: comprising a binder resin comprising a polyester unit, a colorant, a releasing agent, and inorganic fine particles; has a weight average particle diameter of 3.0–6.5 μm; has an average circularity of particles in the toner each having a circle-equivalent diameter of 2 μm or more of 0.920–0.945; has a BET specific surface area of 2.1–3.5 m2/g; and has a permeability of light of a wavelength of 600 nm in a liquid having dispersed the toner in a 45 vol % methanol aq. of 30–80%. The present invention also provides a two-component developer: comprising the toner and a magnetic carrier comprising magnetic core particles coated by a coating layer; and has a number average particle diameter of 15–80 μm. Using the toner and the two-component developer enables a high-quality image to be formed at a high speed even in an oilless fixing system.
摘要翻译： 本发明提供一种调色剂：包含粘合剂树脂，其包含聚酯单元，着色剂，脱模剂和无机细颗粒; 重均粒径为3.0-6.5μm; 调色剂中的平均圆形颗粒的圆当量直径为2μm或更大，为0.920-0.945; 具有2.1-3.5m 2 / g的BET比表面积; 并且在具有将调色剂分散在45体积％甲醇水溶液中的液体中具有600nm波长的光的渗透性。 为30-80％。 本发明还提供了一种双组分显影剂，包括调色剂和包含被涂层涂覆的磁芯颗粒的磁性载体; 并且具有15-80μm的数均粒径。 使用调色剂和双组分显影剂使得即使在无油定影系统中也可以高速形成高质量图像。
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公开(公告)号：US07794908B2
公开(公告)日：2010-09-14
申请号：US12395792
申请日：2009-03-02
IPC分类号： G03G9/00
CPC分类号： G03G9/09328 , G03G9/0827 , G03G9/0835 , G03G9/09307 , G03G9/09392
摘要： Provided is magnetic toner including capsule type toner particles each having a surface layer (B) on a surface of a toner base particle (A) containing at least a binder resin (a) mainly formed of a polyester, a magnetic substance, and a wax, in which, the surface layer (B) includes a resin (b), and the resin (b) includes a resin selected from the group consisting of a polyester resin (b1), a vinyl resin (b2), and a urethane resin (b3); a glass transition temperature Tg(a) of the binder resin (a) and a glass transition temperature Tg(b) of the resin (b) satisfy a relationship of Tg(a)
摘要翻译： 提供了包含胶囊型调色剂颗粒的磁性调色剂，每个胶囊型调色剂颗粒在至少含有主要由聚酯，磁性物质和蜡形成的粘合剂树脂（a）的调色剂基础颗粒（A）的表面上具有表面层（B） ，其中表面层（B）包括树脂（b），树脂（b）包括选自聚酯树脂（b1），乙烯基树脂（b2）和聚氨酯树脂 （b3）; 粘合剂树脂（a）的玻璃化转变温度Tg（a）和树脂（b）的玻璃化转变温度Tg（b）满足Tg（a）
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公开(公告)号：US20100062355A1
公开(公告)日：2010-03-11
申请号：US12616872
申请日：2009-11-12
CPC分类号： G03G9/08755 , G03G9/0804 , G03G9/0806 , G03G9/0821 , G03G9/0825 , G03G9/08724 , G03G9/08764 , G03G9/08791 , G03G9/08795 , G03G9/08797 , G03G9/0918
摘要： Provided is a cyan toner which, while being a capsule-type toner having excellent low-temperature fixability, has excellent offset resistance and charging performance and can obtain high-quality images. A cyan toner having at least a resin (a) having a polyester as a main component, a colorant, and a wax, in which glass transition temperatures (° C.) Tg(0.5) and Tg(4.0) obtained at a rate of temperature increase of 0.5° C./min or 4.0° C./min satisfy 40.0≦Tg(0.5)≦60.0 and 2.0≦Tg(4.0)−Tg(0.5)≦10.0, and wherein, when the concentration of the cyan toner in an ethyl acetate dispersion is Cc1 (mg/ml), and the light absorbance at a wavelength of 712 nm of the dispersion is A(ethyl acetate)712, A(ethyl acetate)712/Cc1
摘要翻译： 本发明提供一种青色调色剂，其作为具有优异的低温定影性的胶囊型调色剂，具有优异的抗偏移性和充电性能，并且可以获得高质量的图像。 具有至少具有以聚酯为主要成分的树脂（a），着色剂和蜡的青色调色剂，其中玻璃化转变温度（℃）Tg（0.5）和Tg（4.0）以 温度升高为0.5℃/分钟或4.0℃/分钟，满足40.0℃; Tg（0.5）＆nlE; 60.0和2.0℃; Tg（4.0）-Tg（0.5）＆nlE; 10.0，其中当浓度 的乙酸乙酯分散体中的青色调色剂为Cc1（mg / ml），分散体的波长为712nm的光吸收为A（乙酸乙酯）712，满足A（乙酸乙酯）712 / Cc1 <0.15 ，并且其中当氯仿溶液中青色调色剂的浓度为Cc2（mg / ml）时，溶液的波长712nm处的吸光度为A（氯仿）712，2.00
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公开(公告)号：US08460845B2
公开(公告)日：2013-06-11
申请号：US12616872
申请日：2009-11-12
IPC分类号： G03G9/00
CPC分类号： G03G9/08755 , G03G9/0804 , G03G9/0806 , G03G9/0821 , G03G9/0825 , G03G9/08724 , G03G9/08764 , G03G9/08791 , G03G9/08795 , G03G9/08797 , G03G9/0918
摘要： Provided is a cyan toner which, while being a capsule-type toner having excellent low-temperature fixability, has excellent offset resistance and charging performance and can obtain high-quality images. A cyan toner having at least a resin (a) having a polyester as a main component, a colorant, and a wax, in which glass transition temperatures (° C.) Tg(0.5) and Tg(4.0) obtained at a rate of temperature increase of 0.5° C./min or 4.0° C./min satisfy 40.0≦Tg(0.5)≦60.0 and 2.0≦Tg(4.0)−Tg(0.5)≦10.0, and wherein, when the concentration of the cyan toner in an ethyl acetate dispersion is Cc1 (mg/ml), and the light absorbance at a wavelength of 712 nm of the dispersion is A(ethyl acetate)712, A(ethyl acetate)712/Cc1
摘要翻译： 本发明提供一种青色调色剂，其作为具有优异的低温定影性的胶囊型调色剂，具有优异的抗偏移性和充电性能，并且可以获得高质量的图像。 具有至少具有以聚酯为主要成分的树脂（a），着色剂和蜡的青色调色剂，其中玻璃化转变温度（℃）Tg（0.5）和Tg（4.0）以 温度升高为0.5℃/ min或4.0℃/ min，满足40.0×Tg（0.5）@ 60.0和2.0×Tg（4.0）-Tg（0.5）@ 10.0，其中，当青色调色剂的浓度 在乙酸乙酯分散体中为Cc1（mg / ml），分散体波长712nm处的吸光度为A（乙酸乙酯）712，满足A（乙酸乙酯）712 / Cc1 <0.15， 当氯仿溶液中青色调色剂的浓度为Cc2（mg / ml）时，溶液的波长712nm处的吸光度为A（氯仿）712，2.00
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公开(公告)号：US20090170021A1
公开(公告)日：2009-07-02
申请号：US12395792
申请日：2009-03-02
CPC分类号： G03G9/09328 , G03G9/0827 , G03G9/0835 , G03G9/09307 , G03G9/09392
摘要： Provided is magnetic toner including capsule type toner particles each having a surface layer (B) on a surface of a toner base particle (A) containing at least a binder resin (a) mainly formed of a polyester, a magnetic substance, and a wax, in which, the surface layer (B) includes a resin (b), and the resin (b) includes a resin selected from the group consisting of a polyester resin (b1), a vinyl resin (b2), and a urethane resin (b3); a glass transition temperature Tg(a) of the binder resin (a) and a glass transition temperature Tg(b) of the resin (b) satisfy a relationship of Tg(a)
摘要翻译： 提供了包含胶囊型调色剂颗粒的磁性调色剂，每个胶囊型调色剂颗粒在至少含有主要由聚酯，磁性物质和蜡形成的粘合剂树脂（a）的调色剂基础颗粒（A）的表面上具有表面层（B） ，其中表面层（B）包括树脂（b），树脂（b）包括选自聚酯树脂（b1），乙烯基树脂（b2）和聚氨酯树脂 （b3）; 粘合剂树脂（a）的玻璃化转变温度Tg（a）和树脂（b）的玻璃化转变温度Tg（b）满足Tg（a）
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公开(公告)号：US20100273102A1
公开(公告)日：2010-10-28
申请号：US12832408
申请日：2010-07-08
CPC分类号： G03G9/0821 , G03G9/09328 , G03G9/09371
摘要： The color toner has capsule toner particles each having a surface layer (B) mainly formed of a resin (b) on the surface of a toner base particle (A), the toner base particle (A) containing at least a binder resin (a), a colorant, and a wax, in which (1) a temperature Tp at which a curve 1 obtained by plotting a temperature on an axis of abscissa and the common logarithm of a value obtained by dividing the loss modulus G″ of the color toner by the unit of the loss modulus on an axis of ordinate shows a maximum is present, and Tp satisfies the relationship of 40° C.≦Tp≦60° C., (2) a temperature Ts at which a curve 2 obtained by differentiating the curve 1 with respect to the temperature twice shows a local minimum is present in the temperature range of Tp+10 (° C.) to Tp+40 (° C.), and (3) a ratio G″(Ts)/G″(Ts+5) in the curve 1 is larger than 3.0.
摘要翻译： 彩色调色剂具有各自具有主要由调色剂基础颗粒（A）表面上的树脂（b）形成的表面层（B）的胶囊调色剂颗粒，至少含有粘合剂树脂（a）的调色剂基础颗粒（A） ），着色剂和蜡，其中（1）通过绘制横坐标轴上的温度而获得的曲线1的温度Tp和通过将颜色的损耗模量G“除以所获得的值的常用对数 以纵轴为单位的损耗模量的调色剂显示出最大值，Tp满足40℃和nlE; Tp＆nlE; 60℃的关系，（2）获得曲线2的温度Ts 通过将曲线1相对于温度进行微分两次，在Tp + 10（℃）至Tp + 40（℃）的温度范围内存在局部最小值，以及（3）比率G“（Ts ）/ G“（Ts + 5）大于3.0。
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公开(公告)号：US07794909B2
公开(公告)日：2010-09-14
申请号：US12498048
申请日：2009-07-06
IPC分类号： G03G9/08
CPC分类号： G03G9/08755 , G03G9/0804 , G03G9/0819 , G03G9/0821 , G03G9/0825 , G03G9/0827 , G03G9/08764 , G03G9/08795 , G03G9/08797 , G03G9/09328 , G03G9/09371
摘要： An object of the present invention is to provide a spherical toner that has a sharp particle size distribution and a small particle diameter. This is a capsule-type toner that exhibits an excellent low-temperature fixability, while at the same time having a high offset resistance and excellent charging properties and having the ability to provide a high-quality image in which the characters, lines, and dots are precisely defined. The object is achieved by a toner comprising a toner particle that comprises at least (a) resin having polyester as the main component, colorant, wax, and (b) urethane resin, wherein the hydroxyl value per specific surface area of the toner particle is fall into the specific range, and wherein a Tg(0.5) and a Tg(4.0)-Tg(0.5) of the toner fall into specific range.
摘要翻译： 本发明的目的是提供一种具有尖锐的粒度分布和小的粒径的球形调色剂。 这是一种具有优异的低温定影性的胶囊型调色剂，同时具有高的抗偏移性和优异的带电性，并且具有提供其中字符，线和点的高质量图像的能力 被精确定义。 该目的是通过包含至少包含（a）以聚酯为主要成分的树脂，着色剂，蜡和（b）聚氨酯树脂的调色剂颗粒的调色剂来实现的，其中调色剂颗粒的比表面积的羟值是 落入特定范围内，并且其中调色剂的Tg（0.5）和Tg（4.0）-Tg（0.5）落入特定范围内。
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公开(公告)号：US07776501B2
公开(公告)日：2010-08-17
申请号：US12245440
申请日：2008-10-03
CPC分类号： G03G9/0821 , G03G9/09328 , G03G9/09371
摘要： The color toner has capsule type toner particles each having a surface layer (B) mainly formed of a resin (b) on the surface of a toner base particle (A) containing at least a binder resin (a), a colorant, and a wax, in which (1) a temperature Tp at which a curve 1 obtained by plotting a temperature on an axis of abscissa and the common logarithm of a value obtained by dividing the loss modulus G″ of the color toner by the unit of the loss modulus on an axis of ordinate shows a maximum is present, and Tp satisfies the relationship of 40° C.≦Tp≦60° C., (2) a temperature Ts at which a curve 2 obtained by differentiating the curve 1 with respect to the temperature twice shows a local minimum is present in the temperature range of Tp+10(° C.) to Tp+40(° C.), and (3) a ratio G″(Ts)/G″(Ts+5) in the curve 1 is larger than 3.0.
摘要翻译： 彩色调色剂具有胶囊型调色剂颗粒，每个胶囊型调色剂颗粒在至少含有粘合剂树脂（a），着色剂和着色剂的调色剂基础颗粒（A）的表面上具有主要由树脂（b）形成的表面层（B） 蜡，其中（1）通过绘制横坐标轴上的温度而获得的曲线1的温度Tp和通过将彩色调色剂的损耗模量G“除以单位的损失而获得的值的通常对数 在纵轴上的模量表示存在最大值，Tp满足40℃和nlE; Tp＆nlE; 60℃的关系，（2）通过将曲线1与曲线1相区别而获得的曲线2的温度Ts 温度两次表示在Tp + 10（℃）至Tp + 40（℃）的温度范围内存在局部最小值，（3）比例G“（Ts）/ G”（Ts + 曲线1中的5）大于3.0。
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公开(公告)号：US20090035685A1
公开(公告)日：2009-02-05
申请号：US12245440
申请日：2008-10-03
CPC分类号： G03G9/0821 , G03G9/09328 , G03G9/09371
摘要： The color toner has capsule type toner particles each having a surface layer (B) mainly formed of a resin (b) on the surface of a toner base particle (A) containing at least a binder resin (a), a colorant, and a wax, in which (1) a temperature Tp at which a curve 1 obtained by plotting a temperature on an axis of abscissa and the common logarithm of a value obtained by dividing the loss modulus G″ of the color toner by the unit of the loss modulus on an axis of ordinate shows a maximum is present, and Tp satisfies the relationship of 40° C.≦Tp≦60° C., (2) a temperature Ts at which a curve 2 obtained by differentiating the curve 1 with respect to the temperature twice shows a local minimum is present in the temperature range of Tp+10(° C.) to Tp+40(° C.), and (3) a ratio G″(Ts)/G″(Ts+5) in the curve 1 is larger than 3.0.
摘要翻译： 彩色调色剂具有胶囊型调色剂颗粒，每个胶囊型调色剂颗粒在至少含有粘合剂树脂（a），着色剂和着色剂的调色剂基础颗粒（A）的表面上具有主要由树脂（b）形成的表面层（B） 蜡，其中（1）通过绘制横坐标轴上的温度获得的曲线1和通过将彩色调色剂的损耗模量G“除以单位为单位而获得的值的常用对数的温度Tp 纵坐标轴上的损耗模量表示存在最大值，Tp满足40℃的关系。<= Tp <= 60℃，（2）通过微分曲线1获得的曲线2的温度Ts 相对于温度两次，在Tp + 10（℃）〜Tp + 40（℃）的温度范围内存在局部最小值，（3）比例G“（Ts）/ G' 曲线1中的'（Ts + 5）大于3.0。
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