-
公开(公告)号：EP3093713A1
公开(公告)日：2016-11-16
申请号：EP16001084.9
申请日：2016-05-12
发明人： Katsumata, Wakiko , Kamae, Kentaro , Miura, Masaharu , Ohtsu, Takeshi , Ishigami, Koh , Matsuo, Ryuichiro , Iwasaki, Yosuke , Mizo, Yuichi
IPC分类号： G03G9/087
CPC分类号： G03G9/08755 , G03G9/08782 , G03G9/08795 , G03G9/08797
摘要： The present invention provides a toner that excels in low-temperature fixability and also maintains charging performance, storability, and anti-hot offset property even in long-term image output. The toner comprising a toner particle containing an amorphous polyester resin, a crystalline polyester resin, wax, and a colorant, wherein a weight-average molecular weight (Mw) of the crystalline polyester resin is 5000 to 14,000, and the crystalline polyester resin includes 0.5 mass% to 15.0 mass% of a segment derived from one or more aliphatic compounds selected from the group consisting of aliphatic monocarboxylic acids with a carbon number of 8 to 20 and aliphatic monohydric alcohols with a carbon number of 8 to 20.
摘要翻译： 本发明提供即使在长期图像输出中也具有优异的低温定影性的调色剂，并且还保持充电性能，保存性和抗热偏移性。 该调色剂包括含有无定形聚酯树脂，结晶聚酯树脂，蜡和着色剂的调色剂颗粒，其中结晶聚酯树脂的重均分子量（Mw）为5000至14,000，结晶聚酯树脂包括0.5 从一种或多种选自碳数为8至20的脂族一元羧酸和碳数为8至20的脂族一元醇的脂族化合物衍生的链段的质量％至15.0质量％。
-
2.发明公开Developing method for an image forming apparatus and developing device using the same 有权的图像形成装置和显影装置为此开发过程
公开(公告)号：EP1628171A1
公开(公告)日：2006-02-22
申请号：EP05009111.5
申请日：2005-04-26
发明人： Okamoto, Naoki , Fujikawa, Hiroyuki , Ishigami, Koh , Sugahara, Nobuyoshi , Baba, Yoshinobu , Itakura, Takayuki
CPC分类号： G03G9/0821 , G03G15/0921
摘要： The present invention relates to a developing method and a developing device (1) which include, at least, a first developer bearing member (8) arranged to be opposed to an image bearing member (10) and a second developer bearing member (11) arranged on a downstream side of the first developer bearing member with respect to a rotation direction (a) of the image bearing member in order to have sufficient area for development by frictional contact at high speed, and include a two-component developer (T) of suitable fluidity for developing a latent image formed on the image bearing member namely in which the developer with toner (t) and a magnetic carrier has a degree of compression (C) in the range of 20 to 32% and, obtained by shearing stress measurement under a consolidation load of 4.0 × 10 -4 N/mm 2 , a shearing stress in the range of 0.5 × 10 -4 to 2.5 × 10 -4 N/mm 2 in order to provide a uniform magnetic brush with a distinct charge distribution and stable coating.
-
3.发明公开
公开(公告)号：EP2696244A1
公开(公告)日：2014-02-12
申请号：EP13179519.7
申请日：2013-08-07
CPC分类号： G03G9/1075 , G03G9/107 , G03G9/1131
摘要： Provided is a magnetic carrier excellent in leakage, uniformity of a solid image having satisfactory charging stability and developing performance at low electric field. The magnetic carrier is a magnetic carrier comprising: a magnetic substance-dispersed resin carrier core, which contains a magnetic substance and a binding resin, and a coating resin on a surface thereof, wherein: the carrier core has resistivity at 1000V/cm of 5.0×10 6 -8.0×10 7 Ω•cm, the magnetic substance has a number average particle diameter of 0.20-0.35µm; and comprises magnetic-substance particles having vertexes and a particle diameter of 0.53 µm or more in an amount of 10.0-32.0vol% based on a total amount of the magnetic substance; and wherein: the carrier core has Fe 2 O 3 content of 98.00% by mass or more; and ZnO content of 0.06-0.50% by mass.
摘要翻译： 本发明提供一种磁性载体，具有良好的泄漏性，在具有令人满意的充电稳定性和低电场显影性能的固体图像的均匀性。 磁性载体是一种磁性载体，其包含：含有磁性物质和粘合树脂的磁性物质分散的树脂载体芯和其表面上的涂布树脂，其中载体芯的电阻率为1000V / cm，为5.0 ×10 6 -8.0×10 7¢厘米，磁性物质的数均粒径为0.20-0.35μm; 并且包含基于磁性物质的总量，具有顶点和粒径为0.53μm以上的磁性体颗粒，其量为10.0-32.0vol％; 并且其中：载体芯的Fe 2 O 3含量为98.00质量％以上; 并且ZnO含量为0.06-0.50质量％。
-
4.发明授权Electrophotographic development carrier, two-component developer and image-forming method using the two-component developer 有权电子照相显影载体，双组分显影剂和使用该双组分显影剂的图像形成方法
公开(公告)号：EP2199864B1
公开(公告)日：2013-10-02
申请号：EP09177047.9
申请日：2009-11-25
发明人： Horie, Juun , Yamamoto, Takeshi , Haraguchi, Manami , Kubo, Kenta , Miyazawa, Tomoaki , Usami, Hirokazu , Baba, Yoshinobu , Ishigami, Koh , Uchida, Kazuo , Watanabe, Katsuhiro , Shirono, Jumpei
CPC分类号： G03G9/10 , G03G9/107 , G03G9/1131 , G03G9/1136
-
公开(公告)号：EP2887144B1
公开(公告)日：2017-08-30
申请号：EP14198518.4
申请日：2014-12-17
发明人： Kamae, Kentaro , Matsuo, Ryuichiro , Ishigami, Koh , Miura, Masaharu , Hama, Masayuki , Kawakami, Hiroaki
IPC分类号： G03G9/087
CPC分类号： G03G9/08755 , G03G9/08748 , G03G9/08793 , G03G9/08797 , G03G9/1075
摘要： Provided is a toner, including toner particles each containing a binder resin containing a polyester ± as a main component, a colorant, a wax, and a crystalline polyester, in which: the polyester ± has a polyhydric alcohol unit and a polyvalent carboxylic acid unit; and the polyester ± has, as the polyhydric alcohol unit, a polyhydric alcohol unit N derived from an alkylene oxide adduct of a novolac type phenol resin.
摘要翻译： 本发明提供一种调色剂，其含有调色剂粒子，该调色剂粒子各自含有以聚酯为主要成分的粘合剂树脂，着色剂，蜡和结晶性聚酯，其中：聚酯具有多元醇单元和多元羧酸单元 ; 作为多元醇单元，聚酯具有来自酚醛清漆型酚醛树脂的环氧烷烃加成物的多元醇单元N.
-
6.发明公开Two-component developer, replenishing developer, and image-forming method 有权Zweikomponenten-Entwickler，Auffüllentwicklerund Bilderzeugungsverfahren
公开(公告)号：EP2735908A1
公开(公告)日：2014-05-28
申请号：EP13196943.8
申请日：2008-02-01
发明人： Ishigami, Koh , Terauchi, Kazuo , Umeda, Noriyoshi , Ida, Tetsuya , Okamoto, Naoki , Hotta, Yojiro , Baba, Yoshinobu , Itakura, Takayuki , Yamamoto, Takeshi , Haraguchi, Manami , Kubo, Kenta
CPC分类号： G03G15/01 , G03G9/0821 , G03G9/0823 , G03G9/083 , G03G9/09 , G03G9/10
摘要： An object of the present invention is to provide a two-component developer which can achieve a high-definition image with a smaller toner laid-on level than a conventional one, provides a color gamut comparable to that of printing, can respond to an increase in printing speed, and allows an image with a stable tinge to be formed even in long-term use. The object can be achieved by a two-component developer containing a cyan toner and a magnetic carrier, the two-component developer being characterized in that the cyan toner has the following characteristics: (i) when the concentration of the cyan toner in a solution of the cyan toner in chloroform is represented by Cc (mg/ml) and the absorbance of the solution at a wavelength of 712 nm is represented by A712, a relationship between Cc and A712 satisfies the relationship of 2.00 * and chroma C * of the cyan toner determined in a powder state satisfy the relationships of 25.0 ≤ L * ≤ 40.0 and 50.0 ≤ C * ≤ 60.0; and (iii) the absolute value for the triboelectric charge quantity of the cyan toner measured by a two-component method using the cyan toner and the magnetic carrier is 50 mC/kg or more and 120 mC/kg or less.
摘要翻译： 本发明的目的是提供一种双组分显影剂，其可以实现具有比常规的更小的调色剂沉积水平的高清晰度图像，提供与印刷相当的色域，可以响应于增加 在打印速度上，并且即使长期使用也可以形成具有稳定色调的图像。 该目的可以通过含有青色调色剂和磁性载体的双组分显影剂来实现，该双组分显影剂的特征在于青色调色剂具有以下特征：（i）当溶液中青色调色剂的浓度 氯仿中的青色调色剂以Cc（mg / ml）表示，波长712nm处的溶液的吸光度由A712表示，Cc和A712之间的关系满足2.00
-
公开(公告)号：EP1962144A2
公开(公告)日：2008-08-27
申请号：EP08150903.6
申请日：2008-01-31
IPC分类号： G03G15/00
CPC分类号： G03G15/065 , G03G5/04 , G03G15/0806 , G03G15/5037 , G03G15/5062 , G03G2215/00037 , G03G2215/0607
摘要： thickness, εt: a relative permittivity of the toner layer, εd: a relative permittivity of the drum, ε0: a vacuum permittivity, Dtmax: a transmission density in a maximum density image portion on the paper after fixation, Dt 0.1 : a transmission density in an image on the paper when the toner bearing amount on the paper after fixation is 0.1 mg/cm 2 , and λ: a transfer efficiency of the toner, α = Dt max - D t 0.1 λ × ( M S ) L - 0.1 , and β = 1 / ( Q / M ) L .
摘要翻译： 厚度μt：调色剂层的相对介电常数μd：鼓的相对介电常数μ0：真空介电常数Dtmax：固定后纸上最大密度图像部分的透射密度Dt 0.1：透光密度 在固定后纸张上的调色剂承载量为0.1mg / cm 2时，在纸上的图像中，和»：调色剂的转印效率，±= Dt ¢max-D ¢t 0.1»×（MS） L - 0.1和²= 1 /（Q / M ¢）L。
-
8.发明授权Two-component developer, replenishing developer, and image-forming method 有权双组分显影剂Auffüllentwickler和图像形成方法
公开(公告)号：EP2735908B1
公开(公告)日：2016-04-20
申请号：EP13196943.8
申请日：2008-02-01
发明人： Ishigami, Koh , Terauchi, Kazuo , Umeda, Noriyoshi , Ida, Tetsuya , Okamoto, Naoki , Hotta, Yojiro , Baba, Yoshinobu , Itakura, Takayuki , Yamamoto, Takeshi , Haraguchi, Manami , Kubo, Kenta
CPC分类号： G03G15/01 , G03G9/0821 , G03G9/0823 , G03G9/083 , G03G9/09 , G03G9/10
-
公开(公告)号：EP2887144A1
公开(公告)日：2015-06-24
申请号：EP14198518.4
申请日：2014-12-17
发明人： Kamae, Kentaro , Matsuo, Ryuichiro , Ishigami, Koh , Miura, Masaharu , Hama, Masayuki , Kawakami, Hiroaki
IPC分类号： G03G9/087
CPC分类号： G03G9/08755 , G03G9/08748 , G03G9/08793 , G03G9/08797 , G03G9/1075
摘要： Provided is a toner, including toner particles each containing a binder resin containing a polyester α as a main component, a colorant, a wax, and a crystalline polyester, in which: the polyester α has a polyhydric alcohol unit and a polyvalent carboxylic acid unit; and the polyester α has, as the polyhydric alcohol unit, a polyhydric alcohol unit N derived from an alkylene oxide adduct of a novolac type phenol resin.
摘要翻译： 提供了一种调色剂，其包括各自含有以聚酯为主要成分的粘合剂树脂，着色剂，蜡和结晶性聚酯的调色剂颗粒，其中：聚酯±具有多元醇单元和多元羧酸单元 ; 作为多元醇单元，聚酯±具有来自酚醛清漆型酚醛树脂的烯化氧加合物的多元醇单元N。
-
公开(公告)号：EP2846192A1
公开(公告)日：2015-03-11
申请号：EP14187306.7
申请日：2012-08-28
发明人： Horie, Juun , Yamamoto, Takeshi , Baba, Yoshinobu , Ishigami, Koh
CPC分类号： G03G9/113 , G03G9/107 , G03G9/1075 , G03G15/065
摘要： An image forming method using a two component developing system is provided in which a print speed is not less than 300 mm/s, a peak-to-peak voltage of an AC component in a developing bias is not more than 1.3 kV, a sufficient image density can be ensured, and a recorded image having a small amount of magnetic carrier remains on the image and having high image quality can be obtained. A magnetic carrier that forms a two component developer contains a magnetic core and a resin. The magnetic core is a ferrite containing Sr and Ca inside thereof at the same time, having a small crystal grain diameter, a high density crystal-grain boundary structure, and an extremely large capacitance of the grain boundary. Use of the ferrite can provide the above method.
摘要翻译： 提供一种使用双组分显影系统的图像形成方法，其中打印速度不小于300mm / s，显影偏压中的AC分量的峰 - 峰电压不大于1.3kV，足够 可以确保图像浓度，并且可以获得具有少量磁性载体的记录图像保留在图像上并且具有高图像质量。 形成双组分显影剂的磁性载体含有磁芯和树脂。 磁芯是同时具有其中的Sr和Ca的铁素体，具有小的晶粒直径，高密度晶粒边界结构和极大的晶界电容。 使用铁氧体可以提供上述方法。
-
-
-
-
-
-
-
-
-
搜索结果
22 条记录 (耗时 0.019 秒)
