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公开(公告)号：US6020102A
公开(公告)日：2000-02-01
申请号：US110023
申请日：1998-07-02
CPC分类号： G03G9/08711 , G03G9/09758
摘要： A positive-chargeable toner is disclosed which has a binder resin, a colorant and a charge control agent. The binder resin contains a styrene copolymer and has an acid value of from 0.5 to 50.0 mg KOH/g, and the charge control agent has an imidazole derivative represented by the Formula (1). Also, an image forming method and an apparatus unit, making use of the positive-chargeable toner, are disclosed.
摘要翻译： 公开了一种具有粘合剂树脂，着色剂和电荷控制剂的可充正电的调色剂。 粘合剂树脂含有苯乙烯共聚物，酸值为0.5〜50.0mg KOH / g，电荷控制剂具有式（1）表示的咪唑衍生物。 此外，公开了利用可充正电的调色剂的图像形成方法和装置单元。
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公开(公告)号：US6120961A
公开(公告)日：2000-09-19
申请号：US938846
申请日：1997-09-26
CPC分类号： G03G9/08797 , G03G9/0806 , G03G9/08711 , G03G9/08782
摘要： A toner for developing an electrostatic image includes a binder resin, a colorant and a wax. The toner shows heat-absorption characteristics represented by a DSC heat-absorption curve obtained on temperature increase in a temperature range of 30-150.degree. C. by a differential scanning colorimeter (DSC). The DSC heat-absorption curve shows a maximum heat-absorption peak (P1) in a temperature range of 70-90.degree. C. The DSC curve also provides a differential curve showing a first maximum (Max1) on a lowest temperature side at a temperature (T1) of 50-65.degree. C., showing a second maximum (Max2) on a next lowest temperature side at a temperature (T2) of 65-85.degree. C., and showing a minimum (Min1) on a highest temperature side at a temperature (T3) of at least 95.degree. C. Because of the DSC heat-absorption characteristics, the toner exhibits excellent fixability (including anti-offset characteristic) over a wide temperature range and excellent continuous image forming characteristic.
摘要翻译： 用于显影静电图像的调色剂包括粘合剂树脂，着色剂和蜡。 调色剂显示由通过差示扫描色度计（DSC）在30-150℃的温度范围内通过温度升高获得的DSC热吸收曲线所表示的吸热特性。 DSC热吸收曲线在70-90℃的温度范围内显示出最大吸热峰（P1）。DSC曲线还提供了一个差示曲线，其显示了在最低温度一侧的第一最大值（Max1） （T1）为50-65℃，在65-85℃的温度（T2）的下一个最低温度侧显示第二个最大值（Max2），并且在最高温度侧显示最小值（Min1） （T3）至少为95℃。由于DSC的吸热特性，调色剂在较宽的温度范围内表现出优异的定影性（包括抗偏移特性）和优异的连续成像特性。
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公开(公告)号：US5968701A
公开(公告)日：1999-10-19
申请号：US219751
申请日：1998-12-23
CPC分类号： G03G9/08797 , G03G9/0821 , G03G9/08782 , G03G9/08793
摘要： A toner exhibiting good fixing performances even at a high process speed is formed of a binder resin, a wax and a colorant. The toner is especially characterized by visco-elastic properties including: (a) a storage modulus G' (160.degree. C.) of 8.0.times.10.sup.2 -1.2.times.10.sup.4 Pa at 160.degree. C., (b) a loss modulus G" (160.degree. C.) of 4.0.times.10.sup.2 -6.0.times.10.sup.3 Pa at 160.degree. C., (c) a loss tangent tan.delta. (160.degree. C.)=G" (160.degree. C.)/G' (160.degree. C.) of 0.1-1.5 at 160.degree. C., (d) a storage modulus G' (190.degree. C.) of 6.0.times.10.sup.2 -1.6.times.10.sup.4 Pa at 190.degree. C., (e) a loss modulus G" (190.degree. C.) of 2.0.times.10.sup.2 -4.0.times.10.sup.3 Pa at 190.degree. C., (f) a yloss tangent tan.delta. (190.degree. C.)=G" (190.degree. C.)/G' (190.degree. C.) of 0.05-1.2 at 190.degree. C., (g) G' (160.degree. C.)/G' (190.degree. C.)=0.5-2.0, and (h) tan.delta. (160.degree. C.)>tan.delta. (190.degree. C.).
摘要翻译： 即使在高处理速度下也具有良好定影性能的调色剂由粘合剂树脂，蜡和着色剂形成。 调色剂的特征在于粘弹性特征，包括：（a）在160℃下的8.0×102-1.2×104Pa的储能模量G'（160℃），（b）损耗模量G“（160 在160℃下为4.0×102-6.0×103Pa，（c）损耗角正切tanδ（160℃）= G“（160℃）/ G'（160℃） 在160℃下为0.1-1.5，（d）在190℃下的储能模量G'（190℃）为6.0×102-1.6×104Pa，（e）损耗模量G“（190℃） ）在190℃下为2.0×102-4.0×10 3 Pa，（f）yθ正切tanδ（190℃）= G“（190℃）/ G'（190℃）为0.05 -1.0在190℃，（g）G'（160℃）/ G'（190℃）= 0.5-2.0，和（h）tanδ（160℃）>tanδ（190 DEG）。
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4.发明授权Positively chargeable toner, image forming method and image forming apparatus 有权可充电的调色剂，成像方法和图像形成装置公开(公告)号：US06235441B1
公开(公告)日：2001-05-22
申请号：US09465836
申请日：1999-12-17
IPC分类号： G03G900
CPC分类号： G03G9/08793 , G03G9/08722 , G03G9/08726 , G03G9/0874 , G03G9/08791 , G03G9/08795 , G03G9/09758
摘要： A positively chargeable toner suitable to be carried on a cylindrical developer-carrying member having a resinous surface for developing an electrostatic latent image is formed from a composition including a binder resin, an imidazole compound and a colorant. The binder resin comprises at least one member selected from the group consisting of (i) a mixture of vinyl resin having a carboxyl group and a vinyl resin having a glycidyl group, (ii) a vinyl resin having both a carboxyl group and a glycidyl group, and (iii) a vinyl resin having a carboxyl group and a glycidyl group in a form reacted with each other. The imidazole compound is a compound having an imidazo unit represented by formula (1) below: wherein R1-R4 independently denote hydrogen or a substituent as specified. In some cases, two or more such imidazole units can be included in a combined form to provide the imidazole compound. The imidazole compound is effective for promoting a crosslinking reaction between the carboxyl group and the glycidyl group to provide the toner with improved fixability and anti-offset property in combination.
摘要翻译： 由具有粘合剂树脂，咪唑化合物和着色剂的组合物形成适于承载在具有用于显影静电潜像的树脂表面的圆筒形显影剂承载构件上的可充正电的调色剂。 粘合剂树脂包括选自（i）具有羧基的乙烯基树脂和具有缩水甘油基的乙烯基树脂的混合物中的至少一种，（ii）具有羧基和缩水甘油基的乙烯基树脂 ，和（iii）具有相互反应形式的具有羧基和缩水甘油基的乙烯基树脂。 咪唑化合物是具有由下式（1）表示的咪唑单元的化合物：其中R 1 -R 4独立地表示氢或如所规定的取代基。 在一些情况下，两种或多种这样的咪唑单元可以以组合形式包括以提供咪唑化合物。 咪唑化合物对于促进羧基和缩水甘油基之间的交联反应是有效的，以提供具有改进的定影性和抗偏移性的组合的调色剂。
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公开(公告)号：US06203959B1
公开(公告)日：2001-03-20
申请号：US09521378
申请日：2000-03-08
IPC分类号： G03G908
CPC分类号： G03G9/08782
摘要： An electrophotographic toner is formed of a resinous composition including a binder resin and a wax (A). The wax (A) contains at least 92 wt. % thereof of n (normal)-paraffin comprising a plurality of n-paraffin species having different numbers of carbon atoms, and provides a DSC (differential scanning calorimetry)-heat-absorption curve exhibiting a maximum heat-absorption peak showing a peaktop temperature of 70-90° C. and a half-value width of at most 12° C. As a result of the n-paraffin-rich characteristic and the DSC-thermal characteristic, the wax can exhibit an improved fixability-improving effect without showing an excessive plasticizing effect, whereby the toner can exhibit good fixability as well as good flowability and storage stability.
摘要翻译： 电子照相调色剂由包含粘合剂树脂和蜡（A）的树脂组合物形成。 蜡（A）含有至少92重量％ 包含具有不同碳原子数的多个正链烷烃的n（正常） - 石蜡的％的％，并且提供显示最大吸热峰的DSC（差示扫描量热法） - 热吸收曲线，其显示峰顶温度 70-90℃，半值宽度最多为12℃。作为正链烷烃丰富特性和DSC-热特性的结果，蜡可以表现出改进的定影性改善效果，而不显示 过度的增塑效果，由此调色剂可以表现出良好的定影性以及良好的流动性和储存稳定性。
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公开(公告)号：US06653036B1
公开(公告)日：2003-11-25
申请号：US09153898
申请日：1998-09-16
IPC分类号： G03G9083
CPC分类号： G03G9/0833 , G03G9/0834 , G03G9/0837
摘要： A magnetic toner includes a magnetic toner particle containing a binding resin and a magnetic material. The magnetic material includes a magnetic iron oxide containing 0.10% to 4.00% by weight of an element &agr; belonging to the third period to the seventh period with an atomic number of 11 to 103 and having an electronegativity of 1.0 to 2.5. The solubility S1 of &agr; in the magnetic material at an iron solubility of 0% to 20% is from 10% to less than 44% and the solubility S2 of &agr; at an iron solubility of 80% to 100% is from 5% to less than 30%. The magnetic material contains at least 60% by number of multinuclear magnetic iron oxide particles or at least 60% by number of polyhedral magnetic iron oxide particles having faces at ridgeline portions of hexahedron and/or octahedron multinuclear magnetic iron oxide particles.
摘要翻译： 磁性调色剂包括含有粘合树脂和磁性材料的磁性调色剂颗粒。 磁性材料包括含有0.10重量％至4.00重量％的属于第三至第七周期的元素α的磁性氧化铁，其原子序数为11至103，电负性为1.0至2.5。 在铁溶解度为0％至20％的磁性材料中α的溶解度S1为10％至小于44％，铁溶解度为80％至100％的α的溶解度S2为5％以下 超过30％。 磁性材料含有至少60数量％的多核磁性氧化铁颗粒或至少60％数量的具有六面体和/或八面体多核磁性氧化铁颗粒的棱线部分的面的多面体磁性氧化铁颗粒。
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公开(公告)号：US6156471A
公开(公告)日：2000-12-05
申请号：US487703
申请日：2000-01-19
CPC分类号： G03G9/097 , G03G9/0819
摘要： An electrophotographic toner showing good cleanability and is suitable for use in developing an electrostatic latent image formed on an amorphous-silicon photosensitive member is provided. The toner includes toner particles each comprising a binder resin and a colorant, and inorganic fine powder A. The inorganic fine powder A contains 88.0-97.0 wt. % of a rare earth compound comprising a rare earth oxide. The rare earth compound contains 40.0-65.0 wt. % of Ce (calculated as CeO.sub.2), 25.0-45.0 wt. % of La (calculated as La.sub.2 O.sub.3), 1.0-10.0 wt. % of Nd (calculated as Nd.sub.2 O.sub.3) and 1.0-10.0 wt. % of Pr (calculated as Pr.sub.6 O.sub.11). The rare earth compound contains further a fluorinated rare earth compound in such an amount as to provide the inorganic fine powder A with a fluorine content of 2.0-11.0 wt. %.
摘要翻译： 提供显示良好的可清洁性并适用于形成在非晶硅感光构件上形成的静电潜像的电子照相调色剂。 调色剂包括各自包含粘合剂树脂和着色剂的调色剂颗粒和无机细粉末A.无机细粉末A含有88.0-97.0重量％ ％的包含稀土氧化物的稀土化合物。 稀土化合物含有40.0-65.0wt。 Ce的Ce（以CeO 2计），25.0-45.0wt。 La的百分比（以La 2 O 3计），1.0-10.0重量％ Nd的Nd（以Nd 2 O 3计）和1.0-10.0重量％ Pr的百分比（按Pr6O11计算）。 稀土化合物还含有氟化稀土化合物，其量使无机细粉末A的氟含量为2.0-11.0重量％。 ％。
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公开(公告)号：US08142972B2
公开(公告)日：2012-03-27
申请号：US12090270
申请日：2006-12-05
申请人： Yojiro Hotta , Kazuo Terauchi , Kunihiko Nakamura , Hiroyuki Fujikawa , Yoshinobu Baba , Takayuki Itakura , Hirohide Tanikawa
发明人： Yojiro Hotta , Kazuo Terauchi , Kunihiko Nakamura , Hiroyuki Fujikawa , Yoshinobu Baba , Takayuki Itakura , Hirohide Tanikawa
IPC分类号： G03G5/00
CPC分类号： G03G9/107 , G03G9/10 , G03G9/1131 , G03G9/1132
摘要： Provided is a developer for replenishment capable of forming a high-quality image even upon duration. The developer for replenishment includes at least a toner and a magnetic carrier, and in the developer for replenishment, 1 part by mass of the magnetic carrier is blended with 2 to 50 parts by mass of the toner, and the magnetic carrier contains a ferrite core and a resin component, has a true specific gravity of 2.5 to 4.2 g/cm3, has a 50% particle diameter on a volume basis (D50) of 15 to 70 μm, and has an average circularity of 0.850 to 0.950, the average circularity having a coefficient of variation of 1.0 to 10.0%.
摘要翻译： 提供了一种补充的开发者，其能够在持续时间时形成高质量的图像。 用于补充的显影剂至少包括调色剂和磁性载体，并且在用于补充的显影剂中，1质量份的磁性载体与2至50质量份的调色剂混合，并且磁性载体含有铁氧体磁芯 和真比重为2.5〜4.2g / cm 3的树脂组分，其体积基准（D50）的50％粒径为15〜70μm，平均圆形度为0.850〜0.950，平均圆形度 具有1.0至10.0％的变异系数。
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公开(公告)号：US07442478B2
公开(公告)日：2008-10-28
申请号：US11693981
申请日：2007-03-30
IPC分类号： G03G15/01
CPC分类号： G03G9/08795 , G03G9/0821 , G03G9/08742 , G03G9/08755 , G03G9/08782 , G03G9/08786 , G03G9/08797 , G03G9/092 , G03G9/0926
摘要： A magenta toner is provided which contains at least a binder resin, a colorant, and a wax, in which a maximum heat-absorption peak temperature as measured using a differential scanning calorimeter, a reflectance at a predetermined wavelength when measured in a powder state by spectroscopic analysis, and lightness when measured in a powder form are in specific ranges. A full-color image is formed using the magenta toner as a pale magenta toner in combination with a deep magenta toner. According to the present invention, it becomes possible to form a vivid image which has reduced graininess and roughness from a low-density region to a high-density region, ensures a sufficient fixing temperature region, has a color reproduction range wider that the conventional one, and has high transparency on an OHP sheet.
摘要翻译： 提供品红色调色剂，其至少含有粘合剂树脂，着色剂和蜡，其中使用差示扫描量热计测量的最大吸热峰值温度，当以粉末状态测量时以预定波长的反射率通过 光谱分析和粉末状测定时的亮度均在特定范围内。 使用洋红色调色剂作为浅洋红色调色剂与深品红色调色剂组合形成全色图像。 根据本发明，可以形成从低密度区域到高密度区域具有降低的颗粒性和粗糙度的生动的图像，确保足够的定影温度区域，具有比现有技术更宽的色彩再现范围 ，并且在OHP片材上具有高透明度。
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公开(公告)号：US07320850B2
公开(公告)日：2008-01-22
申请号：US10890165
申请日：2004-07-14
IPC分类号： G03G9/08
CPC分类号： G03G9/08795 , G03G9/0821 , G03G9/08742 , G03G9/08755 , G03G9/08782 , G03G9/08786 , G03G9/08797 , G03G9/092 , G03G9/0926
摘要： A magenta toner is provided which contains at least a binder resin, a colorant, and a wax, in which a maximum heat-absorption peak temperature as measured using a differential scanning calorimeter, a reflectance at a predetermined wavelength when measured in a powder state by spectroscopic analysis, and lightness when measured in a powder form are in specific ranges. A full-color image is formed using the magenta toner as a pale magenta toner in combination with a deep magenta toner. According to the present invention, it becomes possible to form a vivid image which has reduced graininess and roughness from a low-density region to a high-density region, ensures a sufficient fixing temperature region, has a color reproduction range wider that the conventional one, and has high transparency on an OHP sheet.
摘要翻译： 提供品红色调色剂，其至少包含粘合剂树脂，着色剂和蜡，其中使用差示扫描量热计测量的最大吸热峰值温度，当以粉末状态测量时以预定波长测量的反射率由 光谱分析和粉末状测定时的亮度均在特定范围内。 使用洋红色调色剂作为浅洋红色调色剂与深品红色调色剂组合形成全色图像。 根据本发明，可以形成从低密度区域到高密度区域具有降低的颗粒性和粗糙度的生动的图像，确保足够的定影温度区域，具有比现有技术更宽的色彩再现范围 ，并且在OHP片材上具有高透明度。
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