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1. 发明专利

JP2014224843A 静電荷現像用トナー审中-公开
标题翻译：静电电荷图像开发的优点
公开(公告)号：JP2014224843A
公开(公告)日：2014-12-04
申请号：JP2013102756
申请日：2013-05-15
申请人：株式会社リコー , Ricoh Co Ltd
发明人： YAMAMOTO JUNJI , YAMADA HIROSHI , HASE TAKAMASA , NAGATA KOSUKE
IPC分类号： G03G9/087 , G03G9/08 , G03G15/08
CPC分类号： G03G9/08764 , G03G9/0819 , G03G9/0825 , G03G9/08755 , G03G9/08797 , G03G15/0865
摘要：【課題】フィルミングがなく、優れた低温定着性、耐高温オフセット性、及び耐熱保存性を有するトナー、並びに該トナーを含む現像剤を提供すること。【解決手段】少なくとも、非結晶性樹脂と結晶性樹脂を含む静電荷像用トナーであって、前記結晶性樹脂としてウレタン又はウレア結合を有する結晶性樹脂Cを含み、トナー粒子の断面構造において前記樹脂Cが前記非結晶性樹脂中に分散してなる海島構造を形成していることを特徴とする静電荷像用トナー。【選択図】図1
摘要翻译：要解决的问题：提供调色剂防止成膜并具有优异的低温定影性，耐热粘合性和耐热保存性，并提供包含调色剂的显影剂。溶液：用于静电荷图像显影的调色剂至少包含无定形树脂和结晶性树脂，作为结晶性树脂，具有氨基甲酸酯键或脲键的结晶性树脂C。其中树脂C分散在非晶树脂中的海岛结构形成为调色剂颗粒的横截面结构。

2. 发明专利

JP2014178397A Toner 有权
标题翻译：碳粉
公开(公告)号：JP2014178397A
公开(公告)日：2014-09-25
申请号：JP2013051168
申请日：2013-03-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORIYA ITSUKI , MORIYA YOSHIHIRO , YAMADA HIROSHI , INOUE RYUTA , NAKAYAMA SHINYA , YAMAMOTO JUNJI
IPC分类号： G03G9/087 , B01J2/04 , G03G9/097 , G03G15/08
CPC分类号： G03G9/08764 , G03G9/0821 , G03G9/08711 , G03G9/08728 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/09314 , G03G9/09328 , G03G9/09371 , G03G9/09392
摘要： PROBLEM TO BE SOLVED: To provide a toner that has excellent low-temperature fixability and stress resistance, and resolves the occurrence of damage to images during conveyance occurring during recrystallization immediately after heat-fixing.SOLUTION: A toner contains at least one or more types of crystalline resins and one or more types of amorphous resins as a binder resin. The amorphous resin is unevenly distributed on a surface part of the toner to form a shell structure comprising a continuous phase of the amorphous resin; and the toner has a heat of fusion of 30 J/g or more in a second increase in temperature measured by a differential scanning calorimeter (DSC).
摘要翻译：要解决的问题：提供具有优异的低温定影性和耐应力性的调色剂，并且可以解决在热定影之后立即进行再结晶期间的输送期间的图像损坏的发生。解决方案：调色剂含有至少一种或多种的结晶树脂和一种或多种类型的无定形树脂作为粘合剂树脂。无定形树脂不均匀地分布在调色剂的表面部分上以形成包含无定型树脂的连续相的壳结构; 并且调色剂在通过差示扫描量热计（DSC）测量的第二次升温中具有30J / g以上的熔化热。

3. 发明专利

JP2014089428A Electrophotographic toner, developer, image forming method, process cartridge, image forming apparatus, and toner container 有权
标题翻译：电子印刷机，开发商，图像形成方法，过程盒，图像形成装置和调色剂容器
公开(公告)号：JP2014089428A
公开(公告)日：2014-05-15
申请号：JP2012242837
申请日：2012-11-02
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SANTO HIDEYUKI , NAKAYAMA SHINYA , YAMAMOTO JUNJI , YAMASHITA DAIKI , AMEMORI SUZUKA
IPC分类号： G03G9/087 , G03G9/09
CPC分类号： G03G9/08764 , G03G9/08797 , G03G9/0926 , G03G13/20
摘要： PROBLEM TO BE SOLVED: To provide an electrophotographic toner capable of achieving high color reproducibility, low-temperature fixability, and storage stability, even when a crystalline resin is used as a binder resin; a developer using the electrophotographic toner; and an image forming apparatus and a process cartridge using the developer.SOLUTION: (1) An electrophotographic toner includes a crystalline binder resin having a urethane bond and/or a urea bond, and colorant, in which the dispersion particle diameter of the colorant is 0.5 μm or less in terms of the number average particle diameter, and the rate of the particles having the diameter of 0.7 μm or more is 5 number% or less in a number particle size distribution. (2) The electrophotographic toner according to (1) that has a ratio (Cr)/[(Cr)+(Am)] of 0.15 or more, which is obtained by measuring the electrophotographic toner by an X-ray diffraction device, where (Cr) represents the integral intensity of a spectrum derived from a crystalline structure of the binder resin, and (Am) represents the integral intensity of a spectrum derived from an amorphous structure.
摘要翻译：要解决的问题：即使当使用结晶性树脂作为粘合剂树脂时，提供能够实现高色彩再现性，低温定影性和储存稳定性的电子照相调色剂; 使用电子照相调色剂的显影剂; 以及图像形成装置和使用显影剂的处理盒。解决方案：（1）电子照相调色剂包括具有氨基甲酸酯键和/或脲键的结晶粘合剂树脂和着色剂，其中着色剂的分散体粒径为数均粒径为0.5μm以下，直径为0.7μm以上的粒子的粒径分布为5个数％以下。（2）根据（1）所述的具有0.15以上比例（Cr）/ [（Cr）+（Am）]的电子照相调色剂，其通过X射线衍射装置测量电子照相调色剂而获得，其中（Cr）表示由粘结剂树脂的结晶结构衍生的光谱的积分强度，（Am）表示从非晶结构衍生的光谱的积分强度。

4. 发明专利

JP2014063117A Toner, developer, and image forming device 有权
标题翻译：调色剂，开发商和图像形成装置
公开(公告)号：JP2014063117A
公开(公告)日：2014-04-10
申请号：JP2013004595
申请日：2013-01-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AMEMORI SUZUKA , YAMAMOTO JUNJI , YAMADA MASAHIDE , NAKAJIMA YUKIKO , NAKAYAMA SHINYA , SANTO HIDEYUKI
IPC分类号： G03G9/08 , G03G9/087 , G03G9/10 , G03G15/08
CPC分类号： G03G9/08764 , G03G9/08782 , G03G9/08797 , G03G9/09733
摘要： PROBLEM TO BE SOLVED: To provide toner excellent in heat-resistant preservability, low-temperature fixability, and transferability.SOLUTION: Toner contains crystalline resin having at least one of urethane bond and urea bond, and a compound represented by the following general formula (1). The content of the compound represented by the following general formula (1) is 0.01-0.25 mass%: CHR (1), wherein n represents 8-22, and R represents any of COOH, NH, and OH.
摘要翻译：要解决的问题：提供耐热保存性，低温定影性和转印性优异的调色剂。溶液：调色剂含有具有氨基甲酸酯键和脲键中的至少一个的结晶性树脂和由以下通式表示的化合物 1）。由以下通式（1）表示的化合物的含量为0.01-0.25质量％：CHR（1），其中n表示8-22，R表示COOH，NH和OH中的任一种。

5. 发明专利

JP2014052559A Toner, developer using the toner, and image forming apparatus 审中-公开
标题翻译：调色剂，使用调色剂的开发商和图像形成装置
公开(公告)号：JP2014052559A
公开(公告)日：2014-03-20
申请号：JP2012197906
申请日：2012-09-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMAMOTO JUNJI , NAKAYAMA SHINYA , SHIBA MASAKATA , NAKAJIMA YUKIKO , AMEMORI SUZUKA , YAMADA MASAHIDE
IPC分类号： G03G9/087 , G03G9/08 , G03G9/10 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a toner that contains a binder resin having pigment uniformly dispersed therein, excellent in low-temperature fixability, and having practically satisfactory mechanical strength of output images.SOLUTION: There is provided (1) a toner containing at least a crystalline resin as a binder resin, and having a primary amino group in the density of 0.1 to 10 μmol/g; and the toner according to (1) in which in a diffraction spectrum of the toner obtained by an X-ray diffraction device, when the integrated intensity of a spectrum derived from a crystalline structure of the binder resin is (C), and the integrated intensity of a spectrum derived from an amorphous structure is (A), the ratio (C)/[(C)+(A)] is 0.15 or more.
摘要翻译：要解决的问题：提供一种含有均匀分散有颜料的粘合剂树脂的调色剂，其低温定影性优异，并且具有实际上令人满意的输出图像的机械强度。调色剂：提供（1）至少含有至少作为粘结剂树脂的结晶性树脂，其密度为0.1〜10μmol/ g的伯氨基; 和根据（1）的调色剂，其中当衍生自粘合剂树脂的结晶结构的光谱的积分强度为（C）时，其中在通过X射线衍射装置获得的调色剂的衍射光谱中，来自非晶结构的光谱强度为（A），比率（C）/ [（C）+（A）]为0.15以上。

6. 发明专利

JP2013224975A Electrostatic charge latent image developing toner, image forming method and apparatus using the same, and process cartridge 有权
标题翻译：静电电荷照相图像显影调色剂，图像形成方法和使用其的装置和方法盒
公开(公告)号：JP2013224975A
公开(公告)日：2013-10-31
申请号：JP2012086065
申请日：2012-04-05
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： ISHIKAWA YOSHIMICHI , KADOTA TAKUYA , MIKURIYA YOSHIHIRO , NOZAKI TAKESHI , FUWA KAZUOKI , FUKAO TOMOHIRO , MIKI TOMOHARU , YAMAMOTO JUNJI
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08
CPC分类号： G03G9/0825 , G03G9/0806 , G03G9/0827 , G03G9/08708 , G03G9/08791 , G03G9/08795 , G03G9/08797
摘要： PROBLEM TO BE SOLVED: To provide a nonmagnetic toner for electrostatic charge image development, while retaining fixability, having high charging characteristics, high durability, and high stability and capable of providing images without scumming, a method for manufacturing the same, developer using the toner, a toner container, a process cartridge, and an image forming apparatus.SOLUTION: A dry toner for electrostatic charge image development containing at least a binder resin and colorant has protrusions at a surface thereof. An average of lengths of long sides of the protrusions is 0.1 μm or more and less than 0.5 μm, a standard deviation of the lengths of the long sides of the protrusions is 0.20 or less, and a coverage rate of the protrusions is 30% to 90%. Resin forming the protrusions is prepared through polymerization of a monomer mixture containing at least a monomer having a sulfonic acid group. The monomer mixture contains styrene of 90 mass% or more and the monomer having a sulfonic acid group of 0.1 to 5 mass%.
摘要翻译：要解决的问题：提供用于静电荷图像显影的非磁性调色剂，同时保持固定性，具有高充电特性，高耐久性和高稳定性并且能够提供无浮渣的图像，其制造方法，使用调色剂的显影剂，调色剂容器，处理盒和图像形成装置。解决方案：含有至少粘合剂树脂和着色剂的用于静电荷图像显影的干燥调色剂在其表面具有突起。突起的长边的平均长度为0.1μm以上且小于0.5μm，突起的长边的长度的标准偏差为0.20以下，突起的覆盖率为30％〜 90％。形成突起的树脂通过至少含有具有磺酸基的单体的单体混合物的聚合来制备。单体混合物含有90质量％以上的苯乙烯，磺酸基的单体为0.1〜5质量％。

7. 发明专利

JP2013164607A Toner, two-component developer, process cartridge, and image forming apparatus 有权
标题翻译：调色剂，双组分开发商，工艺盒和图像形成装置
公开(公告)号：JP2013164607A
公开(公告)日：2013-08-22
申请号：JP2013075655
申请日：2013-04-01
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMAMOTO JUNJI , NAKAYAMA SHINYA , YAMADA MASAHIDE , SANTO HIDEYUKI , YAMASHITA DAIKI , INOUE RYUTA
IPC分类号： G03G9/087 , G03G9/08 , G03G9/10
CPC分类号： G03G9/08755 , G03G9/08764 , G03G9/08793 , G03G9/08795 , G03G9/08797
摘要： PROBLEM TO BE SOLVED: To provide toner having a sufficient charge amount, having less charge environment variation, and capable of showing sufficient fixing performance, in the toner comprising crystalline resin as binder resin.SOLUTION: In the toner comprising at least the crystalline resin as the binder resin, a weight-average molecular weight of a THF-soluble component of the toner is 20,000 or more, and a 50% wettability (W(50%)) by a methanol wettability test is 20 (vol%) or more.
摘要翻译：要解决的问题：在包含结晶树脂作为粘合剂树脂的调色剂中，提供具有足够电荷量的具有较少电荷环境变化并且能够显示足够的定影性能的调色剂。溶液：在至少包含结晶树脂为粘合剂树脂，调色剂的THF可溶性组分的重均分子量为20,000以上，通过甲醇润湿性试验为50％润湿性（W（50％））为20（vol％）以上。

8. 发明专利

JP2013137493A Electrophotographic toner, developer, and image forming apparatus 有权
标题翻译：电子墨粉，开发者和图像形成装置
公开(公告)号：JP2013137493A
公开(公告)日：2013-07-11
申请号：JP2012111401
申请日：2012-05-15
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAKAJIMA YUKIKO , YAMADA MASAHIDE , NAKAYAMA SHINYA , YAMAMOTO JUNJI , SANTO HIDEYUKI , SAKASHITA SHINGO , AMEMORI SUZUKA , YAMASHITA YUJI , WATANABE MASAKI
IPC分类号： G03G9/097 , G03G9/08 , G03G9/087 , G03G9/10
摘要： PROBLEM TO BE SOLVED: To provide a toner that has excellent low-temperature fixability, hot-offset resistance, and heat-resistance storage stability, solves problems of filming to a carrier and poor rubbing resistance of output images due to insufficient stress resistance of toner, and has excellent chargeability and charge stability for a long period of stirring.SOLUTION: An electrophotographic toner contains at least a binder resin, colorant, a mold release agent, and a charge control agent. The binder resin contains 50 weight% or more of a crystalline resin; the crystalline resin has an urethane bond and/or an urea bond; and the charge control agent is a calixarene derivative represented by the following general formula (I).
摘要翻译：要解决的问题：为了提供具有优异的低温定影性，耐热胶印性和耐热性储存稳定性的调色剂，解决了由于调色剂的耐压性不足导致的对载体的成膜和输出图像的耐摩擦性差的问题并且在长时间的搅拌下具有优异的带电性和电荷稳定性。解决方案：电子照相调色剂至少含有粘合剂树脂，着色剂，脱模剂和电荷控制剂。粘合剂树脂含有50重量％以上的结晶性树脂; 结晶性树脂具有氨基甲酸酯键和/或脲键; 并且电荷控制剂是由以下通式（I）表示的杯芳烃衍生物。

9. 发明专利

JP2013092659A Toner, developer using the same, and image forming apparatus 有权
标题翻译：调色剂，使用它的开发者和图像形成装置
公开(公告)号：JP2013092659A
公开(公告)日：2013-05-16
申请号：JP2011234856
申请日：2011-10-26
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMAMOTO JUNJI , NAKAYAMA SHINYA , YAMADA MASAHIDE , SANTO HIDEYUKI , AMEMORI SUZUKA
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/08757 , G03G9/08755 , G03G9/08764 , G03G9/08797
摘要： PROBLEM TO BE SOLVED: To provide a toner using a crystalline resin capable of suppressing the occurrence of aggregation of toner in a developing machine, and to provide a toner using a crystalline resin as a principal component capable of improving image intensity after fixing.SOLUTION: A toner contains at least a lactone compound having a 14 or more-membered ring and a resin having a crystalline polyester unit. A preferred example of the lactone compound having a 14 or more-membered ring is a lactone compound having an ester bond as a part of the ring.

10. 发明专利

JP2012203096A toner 审中-公开
标题翻译：碳粉
公开(公告)号：JP2012203096A
公开(公告)日：2012-10-22
申请号：JP2011065975
申请日：2011-03-24
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SEKI MASAHIRO , SEKIGUCHI YOSHITAKA , INOUE RYUTA , YAMAMOTO JUNJI
IPC分类号： G03G9/097 , G03G9/08 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a non-magnetic one-component toner that is used in a high-speed region of 200 mm/sec or more, and has excellent low-temperature fixability and stable conveyability.SOLUTION: There is provided a toner comprising at least a binder resin including a polyester skeleton, a mold release agent, a colorant, a charge control agent, and an external additive. The charge control agent is a boron complex represented by a specific chemical formula. The external additive has primary particle diameters D, Dof different two types A and B, and the primary particle diameters D, Dof the external additive and the added amount of the external additive W, Wsatisfy the (expression 1).
摘要翻译：要解决的问题：提供在200mm / sec以上的高速区域中使用的非磁性单组分调色剂，并且具有优异的低温定影性和稳定的输送性。提供了包含至少一种包含聚酯骨架，脱模剂，着色剂，电荷控制剂和外部添加剂的粘合剂树脂的调色剂。电荷控制剂是由具体化学式表示的硼络合物。外部添加剂具有不同类型A和B的一次粒径D A ，D B ，一次粒径D 外部添加剂的 A ，D B 和外部添加剂的添加量W A ，W B 满足（表达式1）。版权所有（C）2013，JPO＆INPIT

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