专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

71. 发明专利

JP2014098910A Image forming method 审中-公开
标题翻译：图像形成方法
公开(公告)号：JP2014098910A
公开(公告)日：2014-05-29
申请号：JP2013263659
申请日：2013-12-20
申请人： Mitsubishi Chemicals Corp , 三菱化学株式会社
发明人： MITSUMORI MITSUYUKI , ISHIO KOZO , TAKAMURA HIROAKI , OTA MASAYA , SANO SHIHO , OWADA TAKESHI , SUGIHARA MASAKAZU , SENOKUCHI TERUNORI , YASUTOMI SHIRO , HIRAHARA HIROMI
IPC分类号： G03G9/08 , G03G5/047 , G03G5/05 , G03G5/06 , G03G5/147 , G03G9/087
CPC分类号： G03G13/08 , G03G9/0819 , G03G15/08
摘要： PROBLEM TO BE SOLVED: To provide a toner capable of improving image quality to achieve excellent image stability, while suppressing stains on white ground parts on an image, afterimage (ghost), and blur (failure in conformability to a solid image).SOLUTION: In an image forming method, an electrophotographic photoreceptor includes an outermost layer having the value of surface free energy of 35 mN/m or more and 50 mN/m or less; a toner contains toner base particles formed in an aqueous medium, and has the volume median diameter (Dv50) of 4.0 to 7.0 μm; and the volume median diameter and the number% (Dns) of the toner having the particle diameter of 2.00 to 3.56 μm satisfy a specific relationship.
摘要翻译：要解决的问题：为了提供能够提高图像质量以实现优异的图像稳定性，同时抑制图像上的白色地面部分上的污点，残像（鬼影）和模糊（与实心图像一致的失败）的调色剂。解决方案：在成像方法中，电子照相感光体包括表面自由能值为35mN / m以上且50mN / m以下的最外层，调色剂含有在水性介质中形成的调色剂基础颗粒，体积中值粒径（Dv50）为4.0〜7.0μm; 并且粒径为2.00〜3.56μm的调色剂的体积中值粒径和数量％（Dns）满足特定关系。

72. 发明专利

JP5500126B2 Method of manufacturing a toner for developing an electrostatic charge image 有权
公开(公告)号：JP5500126B2
公开(公告)日：2014-05-21
申请号：JP2011137177
申请日：2011-06-21
申请人：コニカミノルタ株式会社
发明人：三郎平岡 , 知美大柴 , 幹彦助野 , 知子峯 , ひとみ茂谷 , 達也長瀬 , 大村　　健
IPC分类号： G03G9/087
CPC分类号： G03G9/0804 , G03G9/0819 , Y10T137/0318 , Y10T137/0391

73. 发明专利

JP2014077973A Toner, developer, and image forming apparatus 审中-公开
标题翻译：调色剂，开发商和图像形成装置
公开(公告)号：JP2014077973A
公开(公告)日：2014-05-01
申请号：JP2013044886
申请日：2013-03-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： NAGATA KOSUKE , YAMADA MASAHIDE , NAKAYAMA SHINYA , SABE AKIYOSHI , MORITA TATSUYA , HASE TAKAMASA , AMEMORI SUZUKA , TAKAHASHI RINTARO
IPC分类号： G03G9/087 , G03G15/20
CPC分类号： G03G9/08755 , G03G9/0819 , G03G9/0821 , G03G9/08764 , G03G9/08795 , G03G9/08797 , G03G15/08 , G03G15/2003
摘要： PROBLEM TO BE SOLVED: To provide a toner capable of preventing end-part offset and uneven glossiness even when containing a crystalline resin.SOLUTION: A toner contains a crystalline resin; the crystalline resin contains a crystalline resin having at least one of a urethane bond and a urea bond; and the average crystallite diameter of the crystalline resin is 20 nm to 70 nm.
摘要翻译：要解决的问题：提供即使在含有结晶性树脂时也能够防止端部偏移和不均匀光泽度的调色剂。解决方案：调色剂含有结晶性树脂; 结晶性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，结晶性树脂的平均微晶直径为20nm〜70nm。

74. 发明专利

JP5477106B2 Electrophotographic developer, the developer cartridge, process cartridge and image forming apparatus 有权
公开(公告)号：JP5477106B2
公开(公告)日：2014-04-23
申请号：JP2010073498
申请日：2010-03-26
申请人：富士ゼロックス株式会社
发明人：英子清野 , 左近高橋 , 俊昭長谷川 , 毅庄子
IPC分类号： G03G9/113 , G03G9/08
CPC分类号： G03G9/1139 , G03G9/0819 , G03G9/0827 , G03G9/08795 , G03G9/08797 , G03G9/1075 , G03G9/1134 , G03G15/0865 , G03G15/0868 , G03G21/1814
摘要： An electrophotographic developer is provided which includes: a toner that includes toner base particles and an external additive attached to a surface of the toner base particles and has an amount of Al on the surface of the toner base particles of from about 0.002 to about 0.02 atm %; and a carrier that includes magnetic particles and a coating resin layer that coats the magnetic particles, the coating resin layer including particles with a volume-average particle diameter of from about 80 to about 800 nm, such as organic particles or inorganic particles having an organic layer on a surface of the inorganic particles, the carrier satisfying any one of the following formulas, where SP1, SP2 and SP3 represent a solubility parameter of resin of the coating resin layer, the organic particles, and the organic layer respectively: about 10>|SP1-SP2|>about 4(1); and about 10>|SP1-SP3|>about 4(2).

75. 发明专利

JP2014065926A Resin particle and method for manufacturing the same 审中-公开
标题翻译：树脂颗粒及其制造方法
公开(公告)号：JP2014065926A
公开(公告)日：2014-04-17
申请号：JP2014011718
申请日：2014-01-24
申请人： Sanyo Chem Ind Ltd , 三洋化成工業株式会社
发明人： MIZUMORI MASAHIDE , SHINDO YASUHIRO
IPC分类号： C08J3/12
CPC分类号： C08J3/12 , C08J2367/02 , G03G9/0804 , G03G9/0819 , G03G9/08795 , G03G9/08797 , Y02P20/544
摘要： PROBLEM TO BE SOLVED: To provide a resin particle obtained by using a fluid in a liquid state or a supercritical state and having a sufficiently narrow particle size distribution, and a method for manufacturing the resin particle obtained by using a fluid in a liquid state or a supercritical state and having a sufficiently narrow particle size distribution.SOLUTION: A resin particle (C) is formed by fixing or coating fine particles (A) to the surface of a resin particle (B) containing a resin (b). The degree of swelling of the fine particle (A) by carbon dioxide (X) in a liquid state or a supercritical state is 16% or less at a temperature less than the glass transition temperature or the melting point of the fine particle (A). A crystalline resin (a1) having a specified composition is used as the fine particle (A).
摘要翻译：要解决的问题：提供一种通过使用液态或超临界状态的液体并且具有足够窄的粒度分布而获得的树脂颗粒，以及通过使用液态流体获得的树脂颗粒的制造方法或具有足够窄的粒度分布的超临界状态。解决方案：通过将微粒（A）固定或涂布到含有树脂（b）的树脂颗粒（B）的表面上来形成树脂颗粒（C）。在小于微粒（A）的玻璃化转变温度或熔点的温度下，液态或超临界状态下的二氧化碳（X）的微粒（A）的膨胀度为16％以下，。使用具有规定组成的结晶性树脂（a1）作为微粒（A）。

76. 发明专利

JP5456960B2 Developing device, an image forming apparatus 有权
公开(公告)号：JP5456960B2
公开(公告)日：2014-04-02
申请号：JP2007247825
申请日：2007-09-25
申请人：株式会社リコー , スターライト工業株式会社
发明人：弘一加藤 , 純一寺井 , 清典津田 , 恵美北 , 悟吉田 , 慎哉菊谷 , 孝志田中
IPC分类号： G03G15/00 , G03G9/08 , G03G9/087 , G03G15/08
CPC分类号： F16C33/201 , F16C2370/38 , G03G9/0819 , G03G9/0827 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G15/0808 , G03G15/0818 , G03G2215/0602 , G03G2215/0634
摘要： A developing device includes a rotator (220) that rotates around a shaft, and a bearing element (223) that supports the shaft to a housing. A sliding element formed of a composite material that contains self-lubricating thermoplastic olefin resin as a base material is used as the bearing element (223). The sliding element formed of the composite material has at least a ratio of numerical values of "Rockwell hardness"/"bending elastic modulus" in a range from 25 to 45, and provides a sliding surface of which a frictional coefficient is lower than that of the sliding element formed of the base material.

77. 发明专利

JP5440749B2 Toner for developing an electrostatic latent image 有权
公开(公告)号：JP5440749B2
公开(公告)日：2014-03-12
申请号：JP2008067396
申请日：2008-03-17
申请人：株式会社リコー
发明人：久美長谷川
IPC分类号： G03G9/09 , G03G9/08 , G03G9/087 , G03G9/097 , G03G15/08
CPC分类号： G03G15/0812 , G03G9/0819 , G03G9/0821 , G03G9/08755 , G03G9/08782 , G03G9/08793 , G03G9/08795 , G03G9/08797 , G03G9/09783
摘要： A toner is provided that includes a binder resin which is selected from (a) a polyester resin, (b) a hybrid resin comprising a polyester unit and a vinyl copolymer unit, and (c) a mixture of a polyester resin and a hybrid resin, a colorant, a release agent, and at least one of an aluminum compound and a zirconium compound of an aromatic oxycarboxylic acid. The toner has a 1/2 flow starting temperature of from 120 to 130° C. measured by a flow tester, and a storage elastic modulus (G') of from 50,000 to 200,000 Pa and a tan delta(G''/G') that is a ratio of a loss elastic modulus (G'') to a storage elastic modulus (G') of from 1.0 to 3.0 at a frequency of 10 Hz, a temperature of 100° C., and a stress of 2,000 Pa.

78. 发明专利

JP2013246284A Toner set, developer set, and image forming apparatus 有权
标题翻译：调色板，开发者设置和图像形成装置
公开(公告)号：JP2013246284A
公开(公告)日：2013-12-09
申请号：JP2012119419
申请日：2012-05-25
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YOSHIDA RYUTA , OGAWA SATORU , WATANABE MASAKI , CHU BING , WATANABE SHINKO
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
CPC分类号： G03G15/01 , G03G8/00 , G03G9/0819 , G03G9/0821 , G03G9/0827 , G03G9/08755 , G03G9/08793 , G03G9/08795 , G03G9/08797 , G03G9/09
摘要： PROBLEM TO BE SOLVED: To provide a toner set including transparent toner and chromatic color toner that have good hot offset resistance, high glossiness, and sufficient fixability at the same time.SOLUTION: A toner set includes at least one chromatic color toner containing colorant, and a transparent toner containing no colorant. Each of the chromatic color toner and the transparent toner contains at least a mold release agent and a binder resin; and the content of tetrahydrofuran insolubles in the transparent toner is smaller than the content of tetrahydrofuran insolubles in the chromatic color toner.
摘要翻译：要解决的问题：提供一种包含透明调色剂和彩色调色剂的调色剂组合物，其具有良好的耐热粘合性，高光泽度和同时具有足够的定影性。调色剂组包括至少一种含有着色剂的彩色调色剂，和不含着色剂的透明调色剂。每个彩色调色剂和透明调色剂至少含有脱模剂和粘合剂树脂; 并且透明调色剂中的四氢呋喃不溶物的含量小于彩色调色剂中的四氢呋喃不溶物的含量。

79. 发明专利

JP2013190700A Toner for electrostatic charge image development, developer, developer storage container, image forming method, and process cartridge 有权
标题翻译：用于静电电荷图像开发，开发商，开发商存储容器，图像形成方法和处理盒的调色剂
公开(公告)号：JP2013190700A
公开(公告)日：2013-09-26
申请号：JP2012058002
申请日：2012-03-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMASHITA DAIKI , NAKAYAMA SHINYA , YAMAMOTO JUNJI , NAKAJIMA YUKIKO , SABE AKIYOSHI , MORIYA YOSHIHIRO , SANTO HIDEYUKI
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/08755 , G03G9/0804 , G03G9/0819 , G03G9/0825 , G03G9/08795 , G03G9/08797 , G03G15/0832 , G03G15/0865 , G03G21/18
摘要： PROBLEM TO BE SOLVED: To provide a toner for electrostatic charge image development that has excellent granulation stability over time and a narrow particle size distribution despite the use of a polylactic acid, developer including the toner, a storage container for the developer, an image forming method using the developer, and a process cartridge.SOLUTION: A toner for electrostatic charge image development comprises resin particles (C) having a structure in which a film (P) comprising a resin containing resin particles (A) containing at least a resin (a) or a resin (a) is attached to the surface of resin particles (B) containing a resin (b). The resin (b) includes a polyhydroxycarboxylic acid skeleton; the resin (a) is a polyester resin comprising polybasic acid and polyalcohol; and the mass average molecular weight of the toner is 9,500 to 100,000.
摘要翻译：要解决的问题：为了提供一种用于静电荷图像显影的调色剂，即使使用聚乳酸，包含调色剂的显影剂，用于显影剂的储存容器，也可以形成图像形成使用显影剂的方法和处理盒。解决方案：用于静电荷图像显影的调色剂包括具有这样的结构的树脂颗粒（C），其中包含含有至少含有树脂的树脂颗粒（A）的树脂的膜（P） a）或树脂（a）附着到含有树脂（b）的树脂颗粒（B）的表面上。树脂（b）包括聚羟基羧酸骨架; 树脂（a）是包含多元酸和多元醇的聚酯树脂; 调色剂的质均分子量为9,500〜100,000。

80. 发明专利

JP2013190667A Toner set, developer, image forming method, and image forming device 审中-公开
标题翻译：调色剂设置，开发者，图像形成方法和图像形成装置
公开(公告)号：JP2013190667A
公开(公告)日：2013-09-26
申请号：JP2012057556
申请日：2012-03-14
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： AWAMURA JUNICHI , KUSAHARA TERUKI , OGAWA SATORU , ITO DAISUKE , INOUE DAISUKE , UCHINOKURA OSAMU , KOJIMA TOMOYUKI , NAGATOMO NOBUYASU , HOZUMI MAMORU , SATO SACHIKO
IPC分类号： G03G9/08 , G03G9/087 , G03G9/09
CPC分类号： G03G9/0819 , G03G9/0804 , G03G9/0821 , G03G9/08782 , G03G9/08795 , G03G9/08797
摘要： PROBLEM TO BE SOLVED: To provide a toner set having excellent low-temperature fixability and forming a high-gloss part on one recording medium, and to provide developer, an image forming method and an image forming device.SOLUTION: A toner set includes one or more kinds of color toner containing binder resin, colorant and a mold-releasing agent, and transparent toner containing the binder resin and the mold-releasing agent but contains no colorant. Both of the color toner and the transparent toner contain crystalline resin. A mean particle diameter of the mold-releasing agent contained in the transparent toner is 0.2-2.0 μm in major diameter. When area of a toner cross section of the mold-releasing agent located near the transparent toner inner surface is A, and area of the toner cross section of the mold-releasing agent located near the color toner inner surface is B, 1
摘要翻译：要解决的问题：提供具有优异的低温定影性并在一个记录介质上形成高光泽部分的调色剂组，并提供显影剂，图像形成方法和图像形成装置。解决方案：调色剂组包括一个或更多种含有粘合剂树脂，着色剂和脱模剂的彩色调色剂，以及含有粘合剂树脂和脱模剂但不含着色剂的透明调色剂。彩色调色剂和透明调色剂均含有结晶性树脂。包含在透明调色剂中的脱模剂的平均粒径为大直径为0.2-2.0μm。当位于透明调色剂内表面附近的脱模剂的调色剂横截面的面积为A时，位于彩色调色剂内表面附近的脱模剂的调色剂横截面积为B，1

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式