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51. 发明专利

JP2003280244A Electrostatic charge image developing toner 有权
标题翻译：静电充电图像显影剂
公开(公告)号：JP2003280244A
公开(公告)日：2003-10-02
申请号：JP2002080753
申请日：2002-03-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SHIRAISHI KEIKO , SUZUKI MASANORI , WATANABE YOICHIRO , SAWADA TOYOSHI , SAITO TAKUYA , NAGAYAMA MASASHI
IPC分类号： G03G9/08 , G03G9/087 , G03G9/097
摘要： PROBLEM TO BE SOLVED: To provide toner containing having such properties that: the toner has satisfactory low temperature fixing property and offset resistance, favorable electrification characteristics though the toner contains wax; the toner easily bleeds during fixing but hardly causes melt sticking during developing; an image with long-term stability is obtained; the charge amount scarcely various by the environment; and satisfactory low temperature fixing property and offset resistance are obtained even in a fixing device with low surface pressure. SOLUTION: The electrostatic charge image developing toner comprising at least a resin A, a resin B, wax and an electrification controlling agent features that: the resin A, the resin B and the wax are insoluble with one another and form a sea-island phase separation structure, with the resin B dispersed like islands in the sea-like resin A and with the wax included in the island-like resin B; the resin A comprises polyester and/or polyol; the wax content in the toner is 2 to 15 wt.%; and the electrification controlling agent is present as particles having 0.05 to 0.3 μm dispersion diameter. COPYRIGHT: (C)2004,JPO
摘要翻译：解决问题的方法是：提供具有以下特性的调色剂：调色剂具有令人满意的低温定影性和抗偏移性，但调色剂含有蜡时具有良好的带电特性; 调色剂在定影期间容易流出，但在显影期间几乎不引起熔融粘着; 获得具有长期稳定性的图像; 充电量几乎不受环境影响; 并且即使在具有低表面压力的定影装置中也可以获得令人满意的低温定影性和抗偏移性。解决方案：至少包含树脂A，树脂B，蜡和带电控制剂的静电荷图像显影调色剂的特征在于：树脂A，树脂B和蜡彼此不溶而形成海 - 岛间相分离结构，其中树脂B在海状树脂A中分散成岛状，并且包含在岛状树脂B中的蜡; 树脂A包含聚酯和/或多元醇; 调色剂中的蜡含量为2〜15重量％。带电控制剂以分散体直径为0.05〜0.3μm的粒子存在。版权所有（C）2004，JPO

52. 发明专利

JP2003076067A Electrostatic charge image developing color toner 有权
标题翻译：静电充电图像开发彩色调色剂
公开(公告)号：JP2003076067A
公开(公告)日：2003-03-14
申请号：JP2001270860
申请日：2001-09-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： WATANABE YOICHIRO , SUZUKI MASANORI , SHIRAISHI KEIKO , SAITO TAKUYA , SAWADA TOYOSHI
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
摘要： PROBLEM TO BE SOLVED: To provide an electrostatic charge image developing color toner having proper image gloss, excellent color reproducibility and showing both of sufficient offset preventing property and excellent durability (electrification characteristics) even in a method of fixing without applying a release oil to a fixing member or applying a minute amount of oil.
SOLUTION: The electrostatic charge image developing color comprising at least a binder resin and a coloring agent is characterized in that the binder resin consists of a polyol resin having 9,000 to 13,000 molecular weight at the peak top of the molecular weight distribution curve by gel permeation chromatography (GPC) and having
摘要翻译：要解决的问题：为了提供具有适当的图像光泽度，优异的颜色再现性的静电电荷图像显影彩色调色剂，并且即使在不将释放油涂覆到固化剂的情况下也显示出足够的防偏移性和优异的耐久性（电气特性）固定构件或施加少量油。解决方案：至少包含粘合剂树脂和着色剂的静电荷图像显影颜色的特征在于粘合剂树脂由分子量分布曲线的峰顶处的分子量为9,000至13,000的多元醇树脂通过凝胶渗透色谱法（GPC），其重均分子量（Mw）与数均分子量（Mn）的比率（Mw / Mn）小于4。

53. 发明专利

JP2007241092A Toner for electrostatic charge image development 有权
标题翻译：静电电荷图像开发的优点
公开(公告)号：JP2007241092A
公开(公告)日：2007-09-20
申请号：JP2006066171
申请日：2006-03-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO AKINORI , SAITO TAKUYA , INOUE RYUTA , EMOTO SHIGERU , YAMADA MASAHIDE , WATANABE SHINKO , OKI MASAHIRO , WAKAMATSU SHINICHI
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide toner having excellent release property at a low temperature, hardly causing filming, achieving both of low temperature fixing property and heat-resistant storage property, giving high picture quality even in a long-term use, and having a small particle size and a narrow particle size distribution. SOLUTION: The toner is obtained through processes of dissolving or dispersing a polymer as a binder resin or its precursor, a colorant, wax and inorganic fine particles in an organic solvent to prepare an organic solvent phase, emulsifying or dispersing the organic solvent phase in an aqueous medium, and removing the organic solvent. The toner is characterized in that: the toner contains inorganic fine particles the surfaces of which are treated to impart hydrophobicity; and the wax contains a wax having at least a melting point of 50 to 90°C and having a molecular chain composed of only C-H and C-C bonds. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供低温下具有优异的剥离性的调色剂，几乎不引起成膜，同时实现低温定影性和耐热储存性，即使长期使用也能提供高质量的图像质量，并且具有小的粒度和窄的粒度分布。解决方案：通过将聚合物作为粘合剂树脂或其前体，着色剂，蜡和无机细颗粒溶解或分散在有机溶剂中以制备有机溶剂相，乳化或分散有机溶剂的方法获得调色剂在水性介质中，并除去有机溶剂。调色剂的特征在于：调色剂含有无机细颗粒，其表面被处理以赋予疏水性; 并且蜡含有至少具有50至90℃的熔点且具有仅由C-H和C-C键组成的分子链的蜡。版权所有（C）2007，JPO＆INPIT

54. 发明专利

JP2006208861A Toner, its manufacturing method, developer, container with toner, process cartridge, image forming apparatus and image forming method 审中-公开
标题翻译：调色剂，其制造方法，开发者，带调色剂的容器，过程盒，图像形成装置和图像形成方法
公开(公告)号：JP2006208861A
公开(公告)日：2006-08-10
申请号：JP2005022247
申请日：2005-01-28
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MATSUOKA SONOO , SAITO TAKUYA , KURODA NOBORU , TAKAHASHI HIROSHI
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing toner by which a toner having an always stable volume average particle diameter and sharp distribution of graininess can be easily and efficiently manufactured, and to provide a toner or the like manufactured by the above method for manufacturing toner. SOLUTION: The toner particles are produced by dissolving or dispersing a toner material in an organic solvent to obtain an organic solvent composition, mixing the composition in an aqueous medium, and adding shear force to the mixed liquid to emulsify or disperse to granulate toner particles in the emulsion or dispersion liquid. Emulsification or dispersion is carried out under the conditions that a correlation coefficient represented by formula 1 is ≥0.9 and that the gradient of a regression line expressed by formula 2 ranges -0.2 to -8, wherein formula 1 is calculated by plotting at least two points that shows the relation between a volume average particle size of toner particles in an emulsion or dispersion liquid when a total amine value in the organic solvent composition is varied by every 0.20 to 0.40 KOHmg/g, and the total amine value of the organic solvent composition. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种制造调色剂的方法，通过该方法可以容易且有效地制造具有总体均匀的体积平均粒径和尖锐的颗粒分布的调色剂，并提供由以上制造调色剂的方法。解决方案：调色剂颗粒通过将调色剂材料溶解或分散在有机溶剂中而获得有机溶剂组合物，将组合物混合在水性介质中，并向混合液体中加入剪切力以乳化或分散成颗粒乳剂或分散液中的调色剂颗粒。在由式1表示的相关系数≥0.9，由公式2表示的回归线的梯度为-0.2至-8的条件下进行乳化或分散，其中式1通过绘制至少两点来计算其显示了当有机溶剂组合物中的总胺值每0.20至0.40 KOHmg / g变化时，乳液或分散液中的调色剂颗粒的体积平均粒径之间的关系，以及有机溶剂组合物的总胺值。版权所有（C）2006，JPO＆NCIPI

55. 发明专利

JP2006111720A Method for producing resin or resin particle and the resultant resin particle 有权
标题翻译：生产树脂或树脂颗粒和树脂树脂颗粒的方法
公开(公告)号：JP2006111720A
公开(公告)日：2006-04-27
申请号：JP2004300429
申请日：2004-10-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO TAKUYA , TANAKA CHIAKI , ISHII MASAYUKI , WATANABE SHINKO , NAITO HIROSHI
IPC分类号： C08G63/78 , C08G65/00 , C08G69/04 , C08G73/10
CPC分类号： Y02P20/544
摘要： PROBLEM TO BE SOLVED: To provide a method for efficiently producing a resin or resin particles through inhibiting decomposition reaction and through mitigating the burden on the environment, and to provide the resultant resin particles. SOLUTION: The method for producing the resin or resin particles comprises the following process: A polycondensation reaction progress is accomplished by removing byproducts out of the reaction system in a fluid comprising a supercritical fluid and/or subcritical fluid. The resin particles are produced by the method. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：提供通过抑制分解反应和减轻环境负担来有效地制备树脂或树脂颗粒的方法，并提供所得的树脂颗粒。解决方案：用于制备树脂或树脂颗粒的方法包括以下方法：通过在包含超临界流体和/或亚临界流体的流体中除去反应体系中的副产物来实现缩聚反应进行。通过该方法制造树脂颗粒。版权所有（C）2006，JPO＆NCIPI

56. 发明专利

JP2006106707A Electrostatic charge image developing toner, manufacturing method, developer, process cartridge and image forming apparatus 审中-公开
标题翻译：静电充电图像开发调色剂，制造方法，开发者，过程盒和图像形成装置
公开(公告)号：JP2006106707A
公开(公告)日：2006-04-20
申请号：JP2005252968
申请日：2005-09-01
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MATSUOKA SONOO , ASAHINA YASUO , ICHIKAWA TOMOYUKI , KOBAN AKIHIRO , MOCHIZUKI MASARU , NAKAJIMA HISASHI , NAKAYAMA SHINYA , SAITO TAKUYA , SAKATA KOICHI , SASAKI FUMIHIRO , UCHINOKURA OSAMU
IPC分类号： G03G9/087
摘要： PROBLEM TO BE SOLVED: To easily manufacture a toner having always a stable volume average particle size and sharp grain size distribution without waste, and thereby, to obtain a toner which is suitable for a fixing device achieving energy saving, which shows preferable developing property for a long time and capable of forming an image of high quality, and to provide a method for manufacturing the toner. SOLUTION: The method for manufacturing a toner for image formation is carried out by producing liquid fine particles in an aqueous medium to prepare toner particles, and the method includes a connation step, after the liquid fine particles are produced, connation of the liquid particles. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了容易地制造总是具有稳定的体积平均粒度和尖锐的粒度分布而不浪费的调色剂，从而获得适于实现节能的定影装置的调色剂，其显示出优选显影性能长，能够形成高质量的图像，并提供调色剂的制造方法。解决方案：用于制造用于图像形成的调色剂的方法通过在水性介质中制备液体微粒以制备调色剂颗粒来进行，并且该方法包括接合步骤，在制造液体微粒之后，液体颗粒。版权所有（C）2006，JPO＆NCIPI

57. 发明专利

JP2006047631A Electrostatic charge image developing toner and developer, image forming apparatus, process cartridge and image forming method using the same 有权
标题翻译：静电充电图像开发调色剂和显影剂，图像形成装置，方法盒和使用其的图像形成方法
公开(公告)号：JP2006047631A
公开(公告)日：2006-02-16
申请号：JP2004227854
申请日：2004-08-04
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAKATA KOICHI , MOCHIZUKI MASARU , UCHINOKURA OSAMU , SASAKI FUMIHIRO , KOBAN AKIHIRO , ASAHINA YASUO , MATSUOKA SONOO , NAKAJIMA HISASHI , ICHIKAWA TOMOYUKI , SAITO TAKUYA , NAKAYAMA SHINYA
IPC分类号： G03G9/087 , G03G9/08 , G03G9/09 , G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a developer and toner having excellent heat resistant preservability while maintaining low temperature fixability, an image forming apparatus and an image forming method. SOLUTION: The electrostatic charge image developing toner containing at least a binder resin, inorganic particulates, and a colorant is obtained by a process of obtaining a solution or dispersion formed by dissolving or dispersing a binder resin including a denatured polyester-based resin reactable with a compound having an active hydrogen group into an organic solvent, a process of emulsifying the solution or dispersion in an aqueous medium, and reacting a compound having an active hydrogen group with the denatured polyester to obtain an emulsified dispersion and a process of removing the solvent from the emulsified dispersion and the compound having the active hydrogen group is a bifunctional or higher amine compound. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有优异的耐热保存性同时保持低温定影性的显影剂和调色剂，图像形成装置和图像形成方法。解决方案：通过以下方法获得至少含有粘合剂树脂，无机颗粒和着色剂的静电荷图像显影调色剂：通过将通过溶解或分散包含变性聚酯基树脂的粘合剂树脂形成的溶液或分散体与具有活性氢基团的化合物反应成有机溶剂，将水溶液中的溶液或分散体乳化的方法，使具有活性氢基团的化合物与变性聚酯反应，得到乳化分散体和除去工序来自乳化分散体的溶剂和具有活性氢基团的化合物是双官能或更高级的胺化合物。版权所有（C）2006，JPO＆NCIPI

58. 发明专利

JP2006003578A Photo-electrostatically chargeable toner and manufacturing method therefor, and image forming method 审中-公开
标题翻译：光电充电调色剂及其制造方法和图像形成方法
公开(公告)号：JP2006003578A
公开(公告)日：2006-01-05
申请号：JP2004179209
申请日：2004-06-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OTANI SHINJI , YAMASHITA YUJI , WATANABE YOICHIRO , SUGIYAMA KOSHIN , SAITO TAKUYA , NAGATOMO NOBUYASU
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide electrostatic development toner capable of being electrostatically charged without being subjected to mechanical stress and also capable of not only satisfactorily retaining charges but also preventing fatigue/deterioration, to provide a manufacturing method for the toner, which is easy and has high productivity, and to provide an image forming method that ensures satisfactory image formation even with the lapse of time. SOLUTION: The photo-electrostatically chargeable toner is prepared by the method in which a fluorescent compound having a functional group is chemically bonded to a toner particle surface containing at least a resin and a coloring agent. For instance, the acid radical of the toner particle surface and a fluorescent organic acid are chemically bonded via metal having a valence of two or more, and electrostatically charged by the emission of exciting light. An example of the organic acid used here is the derivative of quinolinol, imidazole, thiazole, oxazole, or triazole. An example of the metal having a valence of two or more used here is beryllium, magnesium, strontium, zinc, calcium, barium, iron, aluminum, chrome, cobalt, gallium, zirconium, silicon, or titanium. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供能够被静电充电而不受机械应力的静电显影调色剂，并且不仅能够令人满意地保持电荷，而且能够防止疲劳/劣化，从而提供调色剂的制造方法，容易并且生产率高，并且提供即使随时间而确保令人满意的图像形成的图像形成方法。解决方案：通过以下方法制备光静电可带电荷的调色剂：其中具有官能团的荧光化合物与至少含有树脂和着色剂的调色剂颗粒表面化学键合。例如，调色剂颗粒表面的酸基和荧光有机酸通过具有两个或更多个化合价的金属化学键合，并通过发出激发光而带电。这里使用的有机酸的实例是喹啉醇，咪唑，噻唑，恶唑或三唑的衍生物。这里使用的化合价为2以上的金属的例子是铍，镁，锶，锌，钙，钡，铁，铝，铬，钴，镓，锆，硅或钛。版权所有（C）2006，JPO＆NCIPI

59. 发明专利

JP2006003454A Method for manufacturing image forming particles, toner composed of image forming particles, developer, image forming method, toner containing vessel, image forming apparatus, and process cartridge 有权
标题翻译：用于制造图像形成颗粒的方法，图像形成颗粒的组合物，开发者，图像形成方法，包含船只的图像，图像形成装置和处理盒
公开(公告)号：JP2006003454A
公开(公告)日：2006-01-05
申请号：JP2004177499
申请日：2004-06-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO TAKUYA , TANAKA CHIAKI , ISHII MASAYUKI , WATANABE SHINKO , NAITO HIROSHI
IPC分类号： G03G9/087 , G03G5/08 , G03G9/08 , G03G9/097
CPC分类号： G03G9/09716 , G03G9/0806 , G03G9/08706 , G03G9/08711 , G03G9/08722 , G03G9/08733 , G03G9/08782 , G03G9/08793 , G03G9/09708 , G03G9/09725
摘要： PROBLEM TO BE SOLVED: To provide a method for efficiently manufacturing image forming particles capable of realizing the improvement in odor during thermal fixing, excellent in low-temperature fixing property and capable of forming a high-quality image in a state where little load is imposed on environment, and to provide toner composed of the image forming particles manufactured thereby, a toner holding container, and an image forming method, an image forming apparatus and a process cartridge using the toner. SOLUTION: The method for manufacturing the image forming particles includes at least a chain transfer agent removing step for removing a chain transfer agent existing in the image forming particles by using at least either a supercritical fluid or a subcritical fluid and bringing it into contact with the image forming particles. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够有效地制造能够实现热定影时的气味的改善的图像形成颗粒的方法，在低温定影性方面优异，并且能够在少量的状态下形成高质量的图像负载施加在环境上，并且提供由其制造的图像形成颗粒构成的调色剂，调色剂保持容器和图像形成方法，图像形成装置和使用该调色剂的处理盒。解决方案：用于制造图像形成颗粒的方法至少包括链转移剂去除步骤，用于通过使用至少一种超临界流体或亚临界流体将其转化成图像形成颗粒中存在的链转移剂，与成像颗粒接触。版权所有（C）2006，JPO＆NCIPI

60. 发明专利

JP2006003418A Toner, its manufacturing method, developer using the toner, toner holding container, image forming method and process cartridge 有权
标题翻译：调色剂，其制造方法，使用调色剂，调色剂保持容器，图像形成方法和过程盒的开发者
公开(公告)号：JP2006003418A
公开(公告)日：2006-01-05
申请号：JP2004177109
申请日：2004-06-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： WATANABE SHINKO , TANAKA CHIAKI , ISHII MASAYUKI , NAITO HIROSHI , SAITO TAKUYA
IPC分类号： G03G9/087 , G03G5/08 , G03G9/08 , G03G15/20 , G03G21/10
CPC分类号： G03G9/08726 , G03G9/0804 , G03G9/0806 , G03G9/08711 , G03G9/08733
摘要： PROBLEM TO BE SOLVED: To provide toner which is excellent in such characteristics as electrostatic chargeability, fluidity and transferability, whose environmental fluctuation is restrained to be little, whose charging amount distribution is sharp to obtain vivid high image quality, and its efficient manufacturing method, and to provide developer using the toner and realizing high image quality, a toner holding container, an image forming method and a process cartridge. SOLUTION: The invention is the method for manufacturing electrostatic charge image developing toner containing binding resin composed by using at least an unsaturated carboxylic acid derivative monomer and a vinyl polymerizable monomer, and a colorant. The manufacturing method includes a step for removing the unsaturated carboxylic acid derivative monomer existing in the toner by bringing the toner into contact with at least either a supercritical fluid or a subcritical fluid. Then, the toner manufactured by the method, the developer including the toner, the toner holding container, the image forming method and the process cartridge are provided. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供其充电量分布清晰，环境波动受到限制的静电充电性，流动性和转印性等特性优异的调色剂，以获得鲜明的高图像质量，并且其高效率制造方法，并且提供使用调色剂并实现高图像质量的显影剂，调色剂保持容器，图像形成方法和处理盒。解决方案：本发明是制造含有至少使用不饱和羧酸衍生物单体和乙烯基聚合性单体构成的粘合树脂的静电荷图像显影调色剂和着色剂的方法。制造方法包括通过使调色剂与至少任一种超临界流体或亚临界流体接触来除去存在于调色剂中的不饱和羧酸衍生物单体的步骤。然后，提供通过该方法制造的调色剂，包括调色剂的显影剂，调色剂保持容器，图像形成方法和处理盒。版权所有（C）2006，JPO＆NCIPI

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