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1. 发明专利

JP2011145508A Aqueous medium for toner manufacturing, method for manufacturing toner using the aqueous medium, and the toner 有权
标题翻译：用于调色剂制造的水性介质，使用水性介质制造调色剂的方法和调色剂
公开(公告)号：JP2011145508A
公开(公告)日：2011-07-28
申请号：JP2010006679
申请日：2010-01-15
申请人： Ricoh Co Ltd , Sanyo Chem Ind Ltd , 三洋化成工業株式会社 , 株式会社リコー
发明人： MATSUMURA SAYURI , KADOTA TAKAHIRO , CHIBA SUSUMU , SANJO AYUMI , YAHIRO SHUHEI
IPC分类号： G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide an aqueous medium which can manufacture an inexpensive toner for static charge image development which includes a low temperature fixing active component, exhibits excellent low temperature fixing property, and has favorable heat resistance storage stability, and to provide a method of manufacturing the toner using the same, and the toner.
SOLUTION: The used aqueous medium (II) is obtained by separating organic solvent and granulated toner mother particles from oil phase-aqueous medium dispersion liquid in which the oil phase of the organic solvent including at least a binder resin and/or its precursor and a colorant is dispersed in the aqueous medium (I) in a droplet manner, and the used aqueous medium (II) includes a constituent of the organic solvent which is not taken in the granulated toner mother particles and is shifted from the oil phase, and a constituent of the aqueous medium originally existing in the aqueous medium (I), and the organic solvent for manufacturing the toner mother particle including the same component as the oil phase for the next time and after is dispersed in a droplet manner to be used for preparation of the aqueous medium (I) for the oil phase-aqueous medium dispersion liquid for the next time and after for granulating the toner mother particle for the next time and after.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种水性介质，其可以制造用于静电荷图像显影的廉价调色剂，其包括低温定影活性组分，显示出优异的低温定影性能，并且具有良好的耐热储存稳定性，并且提供使用其制造调色剂的方法和调色剂。所用的水性介质（II）是通过从油相 - 水介质分散液中分离有机溶剂和造粒调色剂母体颗粒而得到的，其中至少包含粘合剂树脂和/或其粘合剂树脂的有机溶剂的油相前体和着色剂以液滴方式分散在水性介质（I）中，并且所用的水性介质（II）包括未被置于造粒调色剂母粒中并从油相中偏移的有机溶剂的成分，和最初存在于水性介质（I）中的水性介质的组分，并且用于制造包含与下一时间和之后的油相相同成分的调色剂母粒的有机溶剂以液滴方式分散为用于下一次制备用于油相 - 水介质分散液的水性介质（I），并在下一次和之后对调色剂母粒进行造粒。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2014048561A Toner for electrostatic charge image development, and manufacturing method of the toner 审中-公开
标题翻译：静电荷图像发生器的调色剂和调色剂的制造方法
公开(公告)号：JP2014048561A
公开(公告)日：2014-03-17
申请号：JP2012192992
申请日：2012-09-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： CHIBA SUSUMU , MORIYA ITSUKI
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a toner for electrostatic image formation having excellent low-temperature fixability and blocking resistance.SOLUTION: A toner for electrostatic charge image development includes toner particles containing a binder resin A obtained by causing a polymer having a site that can react with a compound having an active hydrogen group to react with a compound having an active hydrogen group, a binder resin B, colorant, and a mold release agent; and the polymer having a site that can react with a compound having an active hydrogen group includes a butadiene polymer and/or a styrene-butadiene copolymer.
摘要翻译：要解决的问题：提供一种具有优异的低温定影性和抗粘连性的静电图像形成用调色剂。解决方案：用于静电荷图像显影的调色剂包括含有粘合剂树脂A的调色剂颗粒，该粘合剂树脂A通过使具有可以与具有活性氢基团的化合物反应，与具有活性氢基团的化合物反应，粘合剂树脂B，着色剂和脱模剂; 并且具有可与具有活性氢基团的化合物反应的位点的聚合物包括丁二烯聚合物和/或苯乙烯 - 丁二烯共聚物。

3. 发明专利

JP2014153638A Toner, developer, and image forming apparatus 有权
标题翻译：调色剂，开发商和图像形成装置
公开(公告)号：JP2014153638A
公开(公告)日：2014-08-25
申请号：JP2013025166
申请日：2013-02-13
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUGIMOTO TSUYOSHI , YAMASHITA YUJI , ASAHINA DAISUKE , CHIBA SUSUMU , SEKIGUCHI AKIYUKI
IPC分类号： G03G9/087
CPC分类号： G03G9/08788 , C08G81/00 , G03G9/08755 , G03G9/08764 , G03G9/08795 , G03G9/08797
摘要： PROBLEM TO BE SOLVED: To provide a toner or the like that prevents the occurrence of filming, and has excellent low-temperature fixability, high-temperature resistance offset characteristics, and heat-resistance storage stability.SOLUTION: A toner contains a copolymer resin including at least a unit derived from a polyester resin comprising di- or more valent polycarboxylic acid and di- or more valent polyol, and a unit derived from a resin having a polyhydroxycarboxylic acid skeleton bonded to the polyester resin unit via at least one of an urethane group and an urea group; and has a relative crystallinity of 10% or more and less than 50%.
摘要翻译：要解决的问题：提供防止成膜发生的调色剂等，并且具有优异的低温定影性，耐高温电阻偏移特性和耐热储存稳定性。解决方案：调色剂含有共聚物树脂，包括至少一种衍生自包含二价或更多价多元羧酸和二元或更多元多元醇的聚酯树脂的单元，以及衍生自具有多羟基羧酸骨架的树脂的单元，其通过至少一种氨基甲酸酯结合到聚酯树脂单元上组和尿素组; 相对结晶度为10％以上且小于50％。

4. 发明专利

JP2014059359A Toner, developer, and image forming apparatus 有权
标题翻译：调色剂，开发商和图像形成装置
公开(公告)号：JP2014059359A
公开(公告)日：2014-04-03
申请号：JP2012202977
申请日：2012-09-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： CHIBA SUSUMU , MASUDA MINORU , MORITA TATSUYA , SEKIGUCHI AKIYUKI
IPC分类号： G03G9/087 , G03G9/08 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a toner that has excellent low-temperature fixability, hot offset resistance, and heat-resistant storage stability, as well as excellent glossiness, and blocking resistance of toner images after fixation.SOLUTION: A toner contains a binder resin, and the binder resin contains a crystalline resin having at least one of a urethane bond and a urea bond. In a diffraction spectrum obtained by an X-ray diffraction measurement of the toner, a ratio, [C/(A+C)], of the integrated intensity (C) of a spectrum derived from a crystalline structure of the binder resin, to the sum of (C) and the integrated intensity (A) of a spectrum derived from an amorphous structure is 0.15 or more; and in a differential scanning calorimetry of the toner, the maximum endothermic peak temperature (T1) in second temperature rise within a range of 0°C to 150°C, and the maximum exothermic peak temperature (T2) in first temperature fall satisfy the following formula (1) and formula (2): (1) T1-T2≤30°C; and (2)T2≥30°C.
摘要翻译：要解决的问题：提供具有优异的低温定影性，耐热粘合性和耐热储存稳定性的调色剂，以及在固色后色调剂图像的优异光泽度和耐粘连性。溶解剂：调色剂含有粘合剂树脂，并且粘合剂树脂含有具有氨基甲酸酯键和脲键中的至少一种的结晶性树脂。在通过调色剂的X射线衍射测量获得的衍射光谱中，衍生自粘合剂树脂的结晶结构的光谱的积分强度（C）与[C /（A + C）]的比率衍生自非晶结构的光谱的（C）和积分强度（A）的和为0.15以上; 并且在调色剂的差示扫描量热法中，在0℃至150℃的范围内的第二温度升高中的最大吸热峰温度（T1）和第一温度下降中的最大放热峰值温度（T2）满足以下式（1）和式（2）：（1）T1-T2≤30℃; 和（2）T2≥30℃。

5. 发明专利

JP2013190665A Cyan toner 有权
标题翻译： CYAN TONER
公开(公告)号：JP2013190665A
公开(公告)日：2013-09-26
申请号：JP2012057548
申请日：2012-03-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMASHITA YUJI , SHIBA MASANA , FUKUDA YUKARI , SUGIMOTO TSUTOMU , ASAHINA DAISUKE , CHIBA SUSUMU , SEKIGUCHI AKIYUKI , TAKAHASHI RINTARO
IPC分类号： G03G9/09 , G03G9/08 , G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a cyan toner that provides excellent color development on a recording medium, in particular on glossy paper that requires high color characteristics despite the small adhesion amount, and has excellent storability.SOLUTION: A cyan toner contains an amorphous resin, a crystalline resin, a cyan pigment, and a mold release agent; and has the glass-transition temperature of more than 18°C and less than 40°C. In CIE Lab of an image obtained by image formation on glossy paper in the adhesion amount of 0.30 mg/cmusing the single cyan toner, Lis 50 to 60, ais -35 to -45, and bis -45 to -55.
摘要翻译：要解决的问题：提供一种青色调色剂，其在记录介质，特别是在粘合量小的情况下，特别是需要高颜色特性的光泽纸上，具有出色的显色性，并且具有优良的储存性。解决方案：青色调色剂含有无定形树脂，结晶性树脂，青色颜料和脱模剂; 并且玻璃化转变温度高于18℃且小于40℃。在CIE实验室中，通过使用单一青色调色剂，50至60，ais-35至-45和bis-45至-55的光泽纸上的图像形成获得的图像，粘附量为0.30mg / cm 3。

6. 发明专利

JP2013145369A Toner and image forming method using the same 有权
标题翻译：使用该图像的调色剂和图像形成方法
公开(公告)号：JP2013145369A
公开(公告)日：2013-07-25
申请号：JP2012264288
申请日：2012-12-03
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORIYA ITSUKI , YAMASHITA YUJI , SUGIMOTO TSUTOMU , ASAHINA DAISUKE , TAKAHASHI RINTARO , CHIBA SUSUMU
IPC分类号： G03G9/087 , G03G9/08 , G03G9/09 , G03G15/20
CPC分类号： G03G9/08728 , G03G9/08755 , G03G9/08764 , G03G9/08797 , G03G9/09321 , G03G9/09371 , G03G9/09378
摘要： PROBLEM TO BE SOLVED: To provide toner having good heat-resistant storage property while keeping excellent low-temperature fixability and stable fixability in a high temperature range.SOLUTION: Toner comprises a colorant, a release agent and a binder resin. The binder resin includes a crystalline polyester resin and a non-crystalline polyester resin. The non-crystalline polyester resin includes a non-crystalline polyester resin (A) and a non-crystalline polyester resin (B) both having urethane and/or urea bonds. Both of the non-crystalline polyester resin (A) and the non-crystalline polyester resin (B) include 0.5 mol% or more isocyanate monomers for constituting at least either the urethane bond or the urea bond in the whole monomers constituting the resins, with respect to the whole monomers. The non-crystalline polyester resin (A) has a glass transition temperature of -60°C or higher and lower than 10°C; while the non-crystalline polyester resin (B) has a glass transition temperature of 30°C or higher and lower than 70°C.
摘要翻译：要解决的问题：提供具有良好耐热储存性能的调色剂，同时保持优异的低温定影性和在高温范围内的稳定的定影性。解决方案：调色剂包括着色剂，脱模剂和粘合剂树脂。粘合剂树脂包括结晶聚酯树脂和非结晶聚酯树脂。非结晶性聚酯树脂包括具有氨基甲酸酯和/或尿素键的非结晶性聚酯树脂（A）和非结晶性聚酯树脂（B）。非结晶性聚酯树脂（A）和非结晶性聚酯树脂（B）均包含0.5摩尔％以上的异氰酸酯单体，以构成构成树脂的全部单体中的氨基甲酸酯键或脲键中的至少一种，关于整个单体。非结晶性聚酯树脂（A）的玻璃化转变温度为-60℃以上且低于10℃; 而非结晶性聚酯树脂（B）的玻璃化转变温度为30℃以上且低于70℃。

7. 发明专利

JP2013050570A Capsule tone, image forming method using the same, and process cartridge 审中-公开
标题翻译：胶囊色调，使用其的图像形成方法和方法盒
公开(公告)号：JP2013050570A
公开(公告)日：2013-03-14
申请号：JP2011188331
申请日：2011-08-31
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： MORIYA ITSUKI , CHIBA SUSUMU , WATANABE MASAKI
IPC分类号： G03G9/08 , C08F20/10 , C08F220/18 , C08G63/00 , G03G9/087 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide toner of small particle diameter and narrow particle size distribution that exhibits excellent low-temperature releasability, prevents filming, ensures low-temperature fixability and heat-resistant preservability, and forms a high-quality image even after a long-term use.SOLUTION: The toner is formed of toner particles containing at least polyester resin, styrene/acrylic resin and acrylic resin. A die hole diameter and die length in a flow tester of the resin is 1.0 mm, sheer stress is 7.355×10Pa, and T1/2 temperature at a temperature increase rate of 3.0°C/min satisfies the following expressions (1)-(3): (1) 70°C≤polyester resin≤100°C; (2) 120°C≤styrene/acrylic resin≤200°C; and (3) 120°C≤acrylic resin≤150°C. The toner particle includes, on the outside of the polyester resin particle, a layer A formed of styrene/acrylic resin microparticles and a layer B formed of the acrylic resin microparticles, the resin microparticle A being arranged outside the layer B.
摘要翻译：要解决的问题：为了提供显示出优异的低温脱模性的小粒径和窄粒度分布的调色剂，防止成膜，确保低温定影性和耐热保存性，并且甚至形成高质量的图像经过长期使用。调色剂由至少含有聚酯树脂，苯乙烯/丙烯酸树脂和丙烯酸树脂的调色剂颗粒形成。树脂流动试验机中的模孔直径和模头长度为1.0mm，纯应力为7.355×10 5 Pa，T1 / 2温度为 3.0℃/分钟满足以下表达式（1） - （3）：（1）70℃≤聚酯树脂≤100℃; （2）120℃≤苯乙烯/丙烯酸树脂≤200℃; 和（3）120℃≤丙烯酸树脂≤150℃。调色剂颗粒在聚酯树脂颗粒的外侧包含由苯乙烯/丙烯酸树脂微粒形成的层A和由丙烯酸树脂微粒形成的层B，树脂微粒A布置在层B的外侧。COPYRIGHT （C）2013，JPO＆INPIT

8. 发明专利

JP2012194470A Toner and production method of toner 审中-公开
标题翻译：调色剂的生产方法
公开(公告)号：JP2012194470A
公开(公告)日：2012-10-11
申请号：JP2011059615
申请日：2011-03-17
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： CHIBA SUSUMU , YAMASHITA YUJI , WATANABE MASAKI
IPC分类号： G03G9/08 , G03G9/087 , G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide a toner having a small particle diameter and a narrow grain size distribution, the toner showing excellent release property at low temperature, hardly causing filming, achieving both of low-temperature fixability and heat-resistant storage property and giving high picture quality even in long-term use.SOLUTION: The toner comprises toner base particles 1 containing at least a binder resin and a colorant, resin fine particles A2 having a volume average particle diameter of 10 nm to 500 nm, and resin fine particles B3 having a volume average particle diameter of 10 nm to 500 nm, and includes a layer containing the resin fine particles A2 as an outermost surface layer on the surface of the toner base particle 1, and the resin fine particles B3 formed inside the above layer. The glass transition temperature (TgB) of the resin fine particles B3 is higher than the glass transition temperature (TgC) of the binder resin. The binder resin contains at least one of a polyol having a valence of 3 or more and a polycarboxylic acid having a valence of 3 or more, by 1 mass% or more and 10 mass% or less.
摘要翻译：要解决的问题：为了提供具有小粒径和窄粒度分布的调色剂，调色剂在低温下显示出优异的剥离性，几乎不引起成膜，同时实现了低温定影性和耐热储存财产，即使在长期使用中也能提供高画质。调色剂包括至少含有粘合剂树脂和着色剂的调色剂基础颗粒1，体积平均粒径为10nm至500nm的树脂细颗粒A2和具有体积平均粒径的树脂细颗粒B3 并且包括在调色剂基础颗粒1的表面上含有作为最外表面层的树脂微粒A2和形成在上述层内的树脂微粒B3的层。树脂微粒B3的玻璃化转变温度（TgB）高于粘合剂树脂的玻璃化转变温度（TgC）。粘合剂树脂含有3价以上的多元醇和3质量％以上，10质量％以下的多元羧酸中的至少1种。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012068461A Toner and method for producing toner 审中-公开
标题翻译：用于生产墨粉的调色剂和方法
公开(公告)号：JP2012068461A
公开(公告)日：2012-04-05
申请号：JP2010213699
申请日：2010-09-24
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： CHIBA SUSUMU , YAMASHITA YUJI , ASAHINA DAISUKE
IPC分类号： G03G9/087
摘要： PROBLEM TO BE SOLVED: To provide a toner having a sharp particle size distribution that gives an image of high picture quality and to provide a method for producing the toner.SOLUTION: A method for producing a toner comprises: dissolving or dispersing at least a binder resin and a colorant in an organic solvent; dispersing or emulsifying the dissolved or dispersed material in an aqueous medium; and removing the solvent from the dispersion obtained by granulating. The binder resin contains a polyester resin. The polyester resin has an acid number (A) of 1 mgKOH/g to 40 mgKOH/g; the content (B) of a methanol-soluble matter of the polyester resin is 1 mass% to 15 mass%; the methanol-soluble matter of the polyester resin has an acid number (C) of 10 mgKOH/g to 100 mgKOH/g; and the methanol-soluble matter has a weight average molecular weight of 1,000 or less. The content (B) of the methanol-soluble matter, the acid number (C) of the methanol-soluble matter and the acid number (A) of the polyester resin satisfy the following formula: [(C×B)/A]/100≤0.5.
摘要翻译：要解决的问题：提供具有尖锐的粒度分布的调色剂，其给出高图像质量的图像并提供调色剂的制造方法。解决方案：调色剂的制造方法包括：将至少粘合剂树脂和着色剂溶解或分散在有机溶剂中; 将溶解或分散的材料分散或乳化在水性介质中; 并从通过造粒获得的分散体中除去溶剂。粘合剂树脂含有聚酯树脂。聚酯树脂的酸值（A）为1mgKOH / g至40mgKOH / g; 聚酯树脂的甲醇可溶物质的含量（B）为1质量％〜15质量％。聚酯树脂的甲醇可溶物质的酸值（C）为10mgKOH / g至100mgKOH / g; 甲醇可溶物质的重均分子量为1000以下。甲醇可溶物质的含量（B），甲醇可溶物质的酸值（C）和聚酯树脂的酸值（A）满足下式：[（C×B）/ A] / 100≤0.5。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2015052698A トナー、現像剤、及び画像形成装置有权
标题翻译：调色剂，开发商和图像形成装置
公开(公告)号：JP2015052698A
公开(公告)日：2015-03-19
申请号：JP2013185200
申请日：2013-09-06
申请人：株式会社リコー , Ricoh Co Ltd
发明人： CHIBA SUSUMU , SUGIMOTO TSUYOSHI , NAKAYAMA SHINYA , NAGATA KOSUKE , NAGAI SHINSUKE , ASAHINA DAISUKE
IPC分类号： G03G9/087
CPC分类号： G03G9/08755 , G03G9/08793 , G03G9/08795 , G03G9/08797
摘要：【課題】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しつつ、更に画像光沢、及び着色度の優れたトナーの提供。【解決手段】ポリエステル樹脂を含有するトナーであって、前記ポリエステル樹脂が、構成成分として、ジオール成分及び架橋成分を含み、前記ジオール成分が、炭素数3〜10の脂肪族ジオールを50mol%以上含有し、前記架橋成分が、3価以上の脂肪族アルコールであり、前記トナーの示差走査熱量測定(DSC)の昇温1回目のガラス転移温度(Tg1st)が、20℃以上50℃以下であるトナーである。【選択図】なし
摘要翻译：要解决的问题：提供具有优异的低温定影性，高温偏移性和耐热保存性的调色剂，以及更好的图像光泽度和着色程度。溶液：提供含有聚酯的调色剂树脂，其中聚酯树脂包括二醇组分和交联组分作为组分; 二醇成分含有碳数为3〜10的脂肪族二醇，其量为50ml以上; 交联组分是三价或更高级的脂族醇; 并且调色剂在差示扫描量热法（DSC）中的第一温度升高（Tg1st）下的玻璃化转变温度为20℃以上至50℃以下。

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