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1. 发明专利

JP2006293308A Toner for electrostatic image development and manufacturing method 有权
标题翻译：静电图像发展和制造方法的调色剂
公开(公告)号：JP2006293308A
公开(公告)日：2006-10-26
申请号：JP2006012775
申请日：2006-01-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SAITO AKINORI , TANAKA CHIAKI , MATSUOKA SONOO , WATANABE SHINKO , YAMADA MASAHIDE , OKI MASAHIRO , INOUE RYUTA
IPC分类号： G03G9/087
摘要： PROBLEM TO BE SOLVED: To obtain a toner for electrostatic image development, containing a well-dispersed colorant and giving superior image quality by stably controlling objective particle diameter and particle size distribution. SOLUTION: The toner is obtained using steps, wherein an alcoholate is added and dissolved or dispersed in a solution or dispersion (1) prepared by dissolving or dispersing, in an organic solvent, an active hydrogen group-containing compound, a polymer having a moiety capable of reacting with active hydrogen, an acidic group-containing binder resin, a colorant and a release agent; the resulting solution or dispersion (2) is dispersed into a droplet shape in an aqueous medium containing resin fine particles; after or while reacting the active hydrogen group-containing compound with the polymer having the moiety capable of reacting with active hydrogen, the organic solvent is removed, and washing and drying are carried out, wherein the ratio (A/B) of the acid number (A) of the solution or dispersion (1) to the base number (B) of the solution or dispersion (2) satisfy the equation 1/1≤A/B≤5/1. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了获得含有良好分散的着色剂并通过稳定地控制目标粒径和粒度分布而获得优异的图像质量，获得静电图像显影用调色剂。解决方案：使用步骤获得调色剂，其中将醇化物加入并溶解或分散在通过在有机溶剂中溶解或分散在含活性氢基团的化合物，聚合物中的聚合物具有能够与活性氢反应的部分，含酸性基团的粘合剂树脂，着色剂和脱模剂; 所得溶液或分散体（2）在含有树脂微粒的水性介质中分散成液滴形状; 在使含活性氢基团的化合物与具有能够与活性氢反应的部分的聚合物反应或使其反应之后，除去有机溶剂，进行洗涤和干燥，其中酸值的比（A / B）溶液或分散体（1）与溶液或分散体（2）的碱值（B）的比（A）满足式1 /1≤A/B≤5/ 1。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2006259206A 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：JP2006259206A
公开(公告)日：2006-09-28
申请号：JP2005076329
申请日：2005-03-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： WATANABE SHINKO , MATSUOKA SONOO , TANAKA CHIAKI , YAMADA MASAHIDE , OKI MASAHIRO , SAITO AKINORI , INOUE RYUTA
IPC分类号： G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner excellent in various characteristics such as charging property, transfer property and fixing property, having favorable hot offset resistance, achieving both of excellent hot offset resistance and low temperature fixing property, having a sharp particle size distribution and giving a sharp image with high picture quality. SOLUTION: The electrophotographic charge image developing toner is obtained by dissolving or dispersing at least a colorant and a polymer having a reactive moiety with a compound having an active hydrogen group in an organic solvent, dispersing the obtained solution or dispersion liquid in an aqueous medium containing at least resin fine particles to prepare a slurry, removing the organic solvent after or during allowing the polymer to react with a compound having an active hydrogen group, and then cleaning and drying. During removing the organic solvent, the pH of the dispersion liquid is adjusted to 8 to 12 when the concentration of the organic solvent in the slurry dispersion liquid is 10 to 35 wt%. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有充电性能，转印性能和定影性能等各种特性优异的具有良好的耐热粘合性的调色剂，具有优异的耐热粘着性和低温定影性的调色剂，具有尖锐的颗粒尺寸分布，并提供高画质的清晰图像。解决方案：通过将至少一种着色剂和具有反应性部分的聚合物与具有活性氢基团的化合物的聚合物溶解或分散在有机溶剂中而获得电子照相荷载图象显影调色剂，将所得溶液或分散液分散在含有至少树脂细颗粒的水性介质以制备浆料，在使聚合物与具有活性氢基团的化合物反应之后或期间除去有机溶剂，然后进行清洗和干燥。在除去有机溶剂时，当浆料分散液中的有机溶剂的浓度为10〜35重量％时，将分散液的pH调节至8〜12。版权所有（C）2006，JPO＆NCIPI

3. 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

4. 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

5. 发明专利

JP2006085095A Toner and developer, toner-containing vessel, process cartridge, and image forming apparatus and method 有权
标题翻译：调色剂和显影剂，含有容纳容器，过程盒和图像形成装置和方法
公开(公告)号：JP2006085095A
公开(公告)日：2006-03-30
申请号：JP2004272511
申请日：2004-09-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TANAKA CHIAKI , WATANABE SHINKO , OKI MASAHIRO , YAMADA MASAHIDE , SAITO AKINORI , MATSUOKA SONOO , INOUE RYUTA , EMOTO SHIGERU
IPC分类号： G03G9/087
CPC分类号： G03G9/08728 , G03G9/0804 , G03G9/0806 , G03G9/0819 , G03G9/0821 , G03G9/0827 , G03G9/08711 , G03G9/08722 , G03G9/08724 , G03G9/08755 , G03G9/08791 , G03G9/08795 , G03G9/08797
摘要： PROBLEM TO BE SOLVED: To provide a toner excellent in cleanability, giving high image quality and having a small particle diameter and a potato shape formed by aggregating a plurality of spherical particles, and provide an image forming method using the toner by which high image quality can be achieved. SOLUTION: The toner is obtained by shaping a toner material containing at least a binder resin and a colorant into particles in an aqueous medium, and the toner has a potato shape formed by aggregating a plurality of primary oil droplets of an organic phase in the aqueous medium. Alternatively, the toner is particles shaped in an aqueous medium containing at least a binder resin and a colorant, and when 50 g of a developer comprising 2.5 g of the toner and 47.5 g of a carrier is stirred in a 100 ml bottle using a paint conditioner under the conditions of 50 Hz and 30 min, a percentage by number of cracked or collapsed toner particles is ≤10% of 1,000 toner particles subjected to scanning electron micrograph observation. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种清洁性优异，赋予高图像质量并具有通过聚集多个球形颗粒而形成的小粒径和马铃薯形状的调色剂，并提供使用调色剂的成像方法，可以实现高图像质量。解决方案：调色剂通过将至少含有粘合剂树脂和着色剂的调色剂材料成型为水性介质中的颗粒而获得，并且调色剂具有通过聚集有机相的多个主油滴形成的马铃薯形状在水介质中。或者，调色剂是在至少含有粘合剂树脂和着色剂的水性介质中成形的颗粒，当将50g包含2.5g调色剂和47.5g载体的显影剂在100ml瓶中使用涂料在50Hz和30分钟的条件下，经过扫描电子显微镜观察的1000个调色剂颗粒的百分数为破裂或折叠的调色剂颗粒的数量的≤10％。版权所有（C）2006，JPO＆NCIPI

6. 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

7. 发明专利

JP2005301261A Toner and image forming device using the same 审中-公开
标题翻译：使用它的调色剂和图像形成装置
公开(公告)号：JP2005301261A
公开(公告)日：2005-10-27
申请号：JP2005078806
申请日：2005-03-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAKAYAMA SHINYA , SASAKI FUMIHIRO , MOCHIZUKI MASARU , KOBAN AKIHIRO , ASAHINA YASUO , UCHINOKURA OSAMU , NAKAJIMA HISASHI , MATSUOKA SONOO , SAITO TAKUYA , ICHIKAWA TOMOYUKI , SAKATA KOICHI
IPC分类号： G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner which provides appropriate image gloss, has excellent color reproducibility and has sufficient offset preventiveness even with a fixing device not coated with a release oil on a fixing roller and reduced in a coating weight of the oil to the extremely slight amount and is simultaneously excellent in hot preservable property in an image forming device and the image forming device using the toner. SOLUTION: The toner containing the toner particles prepared by dissolving or dispersing a binder resin and/or a precursor thereof and a release agent in an organic solvent or a polymeric monomer and forming the particles in an aqueous medium. The toner has a core-shell structure, wherein the temperature difference between the half efflux temperature Tm1 of the toner and the half efflux temperature Tm2 of the toner (ΔTm=Tm1-Tm2, TMl>Tm2) ΔTm has the relationship ΔTm>Tm2>10°C in the measurement by an elevated flowmeter and the content of the release agent existing close to the surface portion of the toner by an FTIR-ATR (total reflection infrared spectroscopic) method is 7 to 30vol%. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供提供适当的图像光泽的调色剂，具有优异的颜色再现性，并且即使在定影辊上没有涂覆脱模油的定影装置并且减小了涂布重量，也具有足够的胶印预防性油到极少量，并且在图像形成装置和使用调色剂的图像形成装置中同时具有优异的热保存性能。＆lt; P＆gt;解决方案：含有通过将粘合剂树脂和/或其前体和脱模剂溶解或分散在有机溶剂或聚合物单体中并在水性介质中形成颗粒而制备的调色剂颗粒的调色剂。调色剂具有核 - 壳结构，其中调色剂的半流出温度Tm1和调色剂的半流出温度Tm2（ΔTm= Tm1-Tm2，TM1> Tm2）ΔTm之间的温差具有ΔTm> Tm2> 通过升高的流量计测量10℃，通过FTIR-ATR（全反射红外光谱）法接近调色剂的表面部分存在的脱模剂的含量为7〜30体积％。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005265881A Toner, developer, developing device, process cartridge and image forming apparatus 有权
标题翻译：调色剂，开发商，开发设备，过程盒和图像形成设备
公开(公告)号：JP2005265881A
公开(公告)日：2005-09-29
申请号：JP2004073761
申请日：2004-03-16
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAKAJIMA HISASHI , UCHINOKURA OSAMU , IWAMOTO YASUTAKA , MOCHIZUKI MASARU , SUGIURA HIDEKI , KOBAN AKIHIRO , ASAHINA YASUO , MATSUOKA SONOO , ICHIKAWA TOMOYUKI , SAITO TAKUYA , NAKAYAMA SHINYA , SAKATA KOICHI
IPC分类号： G03G9/10 , G03G5/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner which has an excellent low temperature fixing property, has both of hot offset resistance and thermal storage resistance and has an excellent charging property too. SOLUTION: The toner comprises at least a colorant and binder resin, and is applied for development of an electrostatic latent image. The toner is produced as follow; a toner composition containing a compound having active hydrogen groups and a binder component which comprises modified polyester resin capable of reacting with the compound having the active hydrogen groups is dissolved or dispersed into an organic solvent, the solution or dispersion liquid is emulsified and dispersed into an aqueous medium, and the compound having active hydrogen groups and the modified polyester resin are subjected to extension and/or crosslinking reaction in the existence of a tertiary amine compound as a reaction promotor. Therein, the content of the tertiary amine compound in the produced toner is 0.3 wt.% or less. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有优异的低温定影性的调色剂，具有耐热粘合性和耐热储存性两者，并且也具有优异的带电性。调色剂至少包含着色剂和粘合剂树脂，并用于显影静电潜像。调色剂的制备如下：含有具有活性氢基团的化合物的调色剂组合物和包含能够与具有活性氢基团的化合物反应的改性聚酯树脂的粘合剂组分溶解或分散在有机溶剂中，将该溶液或分散液乳化并分散到水性介质，具有活性氢基团的化合物和改性聚酯树脂在作为反应促进剂的叔胺化合物的存在下进行扩展和/或交联反应。其中，所制造的调色剂中叔胺化合物的含量为0.3重量％以下。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005055535A Toner, manufacturing method therefor, developer, container with toner, processing cartridge, image forming apparatus, and image forming method 有权
标题翻译：调色剂，其制造方法，开发者，具有调色剂的容器，处理盒，图像形成装置和图像形成方法
公开(公告)号：JP2005055535A
公开(公告)日：2005-03-03
申请号：JP2003206433
申请日：2003-08-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMADA MASAHIDE , INOUE RYUTA , OKI MASAHIRO , TANAKA CHIAKI , WATANABE SHINKO , MATSUOKA SONOO , TAKADA TAKESHI
IPC分类号： G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide toner or the like for forming a highly sharp and high quality image at high image density by having proper hot offset resistance and superior low-temperature fixing. SOLUTION: The toner is obtained to remove part of two or more resin particles in a form of particles by a basic solution, while generating an adhesive base substance by reacting an active hydrogen group compound and a polymer capable of reacting with the active hydrogen group compound in a water-based medium containing the two or more resin particles. It is preferable that a part of the two or more resin particles, removed by the basic solution, be the resin particles, excluding at least one from among two or more resin particles. The content of the resin particles is 0.5-5 mass%. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过具有适当的耐热粘合性和优异的低温定影，提供用于以高图像密度形成高清晰和高质量图像的调色剂等。解决方案：获得调色剂以通过碱性溶液除去颗粒形式的两种或更多种树脂颗粒的一部分，同时通过使活性氢基化合物和能够与活性物质反应的聚合物反应产生粘合剂基质含有两种以上树脂粒子的水性介质中的氢基化合物。优选的是，由碱性溶液除去的两种以上的树脂粒子的一部分是除了两种以上的树脂粒子中的至少一种以外的树脂粒子。树脂粒子的含量为0.5〜5质量％。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005055498A Toner and method for manufacturing the same, and developer, toner-containing vessel, process cartridge, image forming apparatus and image forming method 有权
标题翻译：用于制造它们的调色剂及其制造方法，以及开发商，包含容器的容器，过程盒，图像形成装置和图像形成方法
公开(公告)号：JP2005055498A
公开(公告)日：2005-03-03
申请号：JP2003206020
申请日：2003-08-05
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： WATANABE SHINKO , MATSUOKA SONOO , TANAKA CHIAKI , YAMADA MASAHIDE , TAKADA TAKESHI , OKI MASAHIRO , INOUE RYUTA
IPC分类号： G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner which has good anti-hot-offset properties, reconciles excellent hot storage resistance with excellent low-temperature fixability, and provides shape high image quality because of a sharp charge amount distribution. SOLUTION: The toner contains fine resin particles having a core-shell structure, a weight average molecular weight of 8,000-1,000,000 and a particle diameter of 20-400 nm. Preferred aspects include an aspect where the toner contains an adhesive base obtained by reacting an active hydrogen group-containing compound with a polymer capable of reacting with the active hydrogen group-containing compound in an aqueous medium, an aspect where the toner has the fine resin particles in a surface, an aspect where a glass transition temperature of the fine resin particles is 40-150°C, and an aspect where when a glass transition temperature of a resin forming shells in the fine resin particles is represented by TgS and a glass transition temperature of a resin forming cores by TgC, the expression: TgS>TgC is satisfied. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有良好防热粘合性能的调色剂，调节了优异的耐热储存性和优异的低温定影性，并且由于电荷量分布剧烈，从而形成高图像质量。调色剂包含具有核 - 壳结构，重均分子量为8,000-1,000,000和粒径为20-400nm的精细树脂颗粒。优选的方面包括其中调色剂含有通过使含活性氢基团的化合物与能够在含水活性氢基团中与含活性氢基团的化合物反应的聚合物反应而获得的粘合剂基质，调色剂具有细小树脂表面的颗粒，其中树脂微粒的玻璃化转变温度为40-150℃的方面，以及当树脂微粒中形成壳的树脂的玻璃化转变温度由TgS和玻璃表示的方面通过TgC形成树脂的树脂的转变温度，满足表达式：TgS> TgC。版权所有（C）2005，JPO＆NCIPI

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