-
公开(公告)号：EP2646879B1
公开(公告)日：2017-11-01
申请号：EP11845857.9
申请日：2011-11-21
发明人： AOKI, Kenji , WATANABE, Shuntaro , KAYA, Takaaki , OKAMOTO, Ayako , KINUMATSU, Tetsuya , TANI, Atsushi , KASUYA, Takashige
CPC分类号： G03G9/0804 , G03G9/0815 , G03G9/08755 , G03G9/08764 , G03G9/08771 , G03G9/08788 , G03G9/08797
-
公开(公告)号：EP2031451B1
公开(公告)日：2012-06-13
申请号：EP07744970.0
申请日：2007-06-04
发明人： YOSHIBA, Daisuke , YAMAZAKI, Katsuhisa , MORIBE, Syuhei , HIRATA, Junko , HIROKO, Shuichi , FUJIMOTO, Masami , KASUYA, Takashige
CPC分类号： G03G9/09725 , G03G9/0812 , G03G9/0819 , G03G9/0825 , G03G9/08786 , G03G9/09716 , G03G9/09783
摘要： This invention provides a toner which, even in high-speed copying machines, printers for high-definition image formation and the like, can realize good density stability, line reproducibility, and dot reproducibility stably for a long period of time regardless of environment, and can realize image quality high enough to meet requirements for pattern printing, QR code printing and the like. The toner comprises toner particles comprising at least a binder resin and a colorant and a silica fine powder and is characterized in that the silica fine powder has a median size (D50) on a volume basis of 0.70 μm to 3.00 μm and has a total pore volume of not more than 0.200 cm3/g as measured in a pore diameter range of 1.7 nm to 300.0 nm.
摘要翻译： 本发明提供一种调色剂，其即使在高速复印机中用于高分辨率图像形成等的打印机也能够与环境无关地实现长期稳定的良好的密度稳定性，线重复性和点再现性，并且 可以实现足够高的图像质量以满足图案打印，QR码打印等的要求。 所述调色剂包含调色剂颗粒，所述调色剂颗粒至少包含粘合剂树脂和着色剂以及二氧化硅细粉末，并且其特征在于所述二氧化硅细粉末的体积基准的中值粒径（D50）为0.70μm至3.00μm，并且具有总孔隙 在1.7nm至300.0nm的孔径范围内测得的体积不大于0.200cm 3 / g。
-
公开(公告)号：EP2016466B1
公开(公告)日：2018-10-31
申请号：EP07742847.2
申请日：2007-04-25
发明人： HIRATA, Junko , OGAWA, Yoshihiro , HASEGAWA, Yusuke , NISHIKAWA, Kouji , OKAZAKI, Miho , KASUYA, Takashige
CPC分类号： G03G9/0833 , G03G9/0834 , G03G9/0835 , G03G9/0836 , G03G9/08755
摘要： The object of the present invention is to provide a magnetic toner enabling an image with high image density and excellent image reproducibility to be obtained, which is excellent in fluidity, charging stability, and charging uniformity, even for long-term use, and also enabling an image whose fogging, ghost, and scattering are suppressed to be obtained. The magnetic toner has at least a binder resin and a magnetic material, where, the magnetic material is an magnetic iron oxide whose dielectric breakdown voltage of the magnetic material is 160 to 1600 V/cm, and the dielectric loss tangent (tan δ) of the magnetic toner at 100 kHz and 40° C. is 2.0×10−3 to 1.0×10−2.
-
公开(公告)号：EP2309333B1
公开(公告)日：2017-03-01
申请号：EP09800268.6
申请日：2009-05-27
CPC分类号： G03G9/08791 , G03G9/0823 , G03G9/0833 , G03G9/0834 , G03G9/0836 , G03G9/0837 , G03G9/08755
-
公开(公告)号：EP2717099B1
公开(公告)日：2015-09-16
申请号：EP12793191.3
申请日：2012-06-01
发明人： KINUMATSU, Tetsuya , TANI, Atsushi , AOKI, Kenji , WATANABE, Shuntaro , KAYA, Takaaki , OKAMOTO, Ayako , NAKAGAWA, Yoshihiro , MORI, Toshifumi , KASUYA, Takashige
CPC分类号： G03G9/0825 , G03G9/0802 , G03G9/08795 , G03G9/08797 , G03G9/09307 , G03G9/09328 , G03G9/0935 , G03G9/09364 , G03G9/09371 , G03G9/09392
-
公开(公告)号：EP2063322A1
公开(公告)日：2009-05-27
申请号：EP07829568.0
申请日：2007-10-11
发明人： MORIBE, Syuhei , YAMAZAKI, Katsuhisa , YOSHIBA, Daisuke , HIRATA, Junko , FUJIMOTO, Masami , KASUYA, Takashige
IPC分类号： G03G9/08
CPC分类号： G03G9/08795 , G03G9/08711 , G03G9/08755 , G03G9/08793 , G03G9/08797
摘要： The present invention aims to provide a toner having excellent developability and excellent low-temperature fixability without causing adhesion of ejected sheets even in a high-speed oilless fixing system and capable of preventing a frameless printing from causing a twisted offseting phenomenon. Specifically, provided is a toner having toner particles including at least a binder resin and a colorant, in which, when the toner is dissolved in a tetrahydrofuran (THF) solvent at 25°C for 24 hours, the ratio of a THF-soluble matter having an intrinsic viscosity of 5.0x10 -2 dl/g or less with respect to the total amount of the THF-soluble matter in a GPC-RALLS-viscometer analysis is 15.0 mass% to 60.0 mass%, and the ratio of a THF-soluble matter having an intrinsic viscosity of 1.5x10 -1 dl/g or more with respect to the total amount of the THF-soluble matter in a GPC-RALLS-viscometer analysis is 20.0 mass% to 40.0 mass%.
摘要翻译： 本发明的目的在于提供一种具有优异显影性和优异的低温定影性的调色剂，即使在高速无油定影系统中也不会引起喷射纸的附着，并且能够防止无框印刷引起扭曲的偏移现象。 具体地说，提供了一种具有至少包含粘合剂树脂和着色剂的调色剂颗粒的调色剂，其中当调色剂在25℃下溶解在四氢呋喃（THF）溶剂中24小时时，THF可溶物质的比例 在GPC-RALLS-粘度计分析中，相对于THF可溶物的总量，其特性粘度为5.0×10 -2 dl / g以下，为15.0质量％〜60.0质量％，THF- 在GPC-RALLS-粘度计分析中，相对于THF可溶物的总量，特性粘度为1.5×10 -1 dl / g以上的可溶性物质为20.0质量％〜40.0质量％。
-
公开(公告)号：EP2717099A1
公开(公告)日：2014-04-09
申请号：EP12793191.3
申请日：2012-06-01
发明人： KINUMATSU, Tetsuya , TANI, Atsushi , AOKI, Kenji , WATANABE, Shuntaro , KAYA, Takaaki , OKAMOTO, Ayako , NAKAGAWA, Yoshihiro , MORI, Toshifumi , KASUYA, Takashige
CPC分类号： G03G9/0825 , G03G9/0802 , G03G9/08795 , G03G9/08797 , G03G9/09307 , G03G9/09328 , G03G9/0935 , G03G9/09364 , G03G9/09371 , G03G9/09392
摘要： Provided is a toner comprising toner particles, wherein each of the toner particles has a core-shell structure composed of a core and a shell phase formed on the core, the shell phase contains a resin (B), and the core contains a binder resin (A), a colorant and a wax, wherein the toner particles contain the resin (B) in a specific amount with respect to the core, and wherein the solubility parameter (SP value) of the binder resin (A) is denoted by SP(A), the SP value of the resin (B) is denoted by SP(B), the SP value of a repeating unit with the smallest SP value from among repeating units constituting the resin (B) is denoted by SP(C), and the SP value of the wax is denoted by SP(W), each of the SP(A), SP(B), SP(C) and SP(W) satisfy specific relationships.
摘要翻译： 提供了一种包含调色剂颗粒的调色剂，其中每个调色剂颗粒具有由核心形成的核 - 壳结构和形成在芯上的壳相，壳相包含树脂（B），并且芯包含粘合剂树脂 （A），着色剂和蜡，其中调色剂颗粒相对于芯具有特定量的树脂（B），并且粘合剂树脂（A）的溶解度参数（SP值）由SP （A）中，树脂（B）的SP值由SP（B）表示，由构成树脂（B）的重复单元的SP值最小的重复单元的SP值由SP（C）表示， ，SP（W）表示蜡的SP值，SP（A），SP（B），SP（C）和SP（W）分别满足特定关系。
-
公开(公告)号：EP2646879A1
公开(公告)日：2013-10-09
申请号：EP11845857.9
申请日：2011-11-21
发明人： AOKI, Kenji , WATANABE, Shuntaro , KAYA, Takaaki , OKAMOTO, Ayako , KINUMATSU, Tetsuya , TANI, Atsushi , KASUYA, Takashige
IPC分类号： G03G9/087
CPC分类号： G03G9/0804 , G03G9/0815 , G03G9/08755 , G03G9/08764 , G03G9/08771 , G03G9/08788 , G03G9/08797
摘要： The present invention provides a toner excellent in low-temperature fixability and also excellent in heat-resistant storage property, offset resistance, and durability. In a process for producing a toner containing toner particles by emulsion aggregation, each toner particle includes a binder resin of which a main component is a block polymer having a crystal structure, a colorant, and a release agent; the binder resin includes polyester as a main component; the rate of a portion capable of forming a crystal structure to the binder resin is 50 to 80 mass%; a peak temperature Tp of a maximum endothermic peak attributed to the binder resin is 50 to 80°C in endothermic amount measurement of the toner with a differential scanning calorimeter (DSC); and fused particles are heated at a heating temperature t (°C) satisfying Tp'-15.0≤ t ≤ Tp'-5.0 for at least 0.5 hr.
摘要翻译： 本发明提供低温定影性优异且耐热存储性，耐反印性和耐久性也优异的调色剂。 在通过乳液聚集制造含有调色剂颗粒的调色剂的方法中，各调色剂颗粒包括主要组分为具有晶体结构的嵌段聚合物，着色剂和防粘剂的粘合剂树脂; 粘合剂树脂包含聚酯作为主要组分; 能够与粘合剂树脂形成结晶结构的部分的比率为50〜80质量％。 用差示扫描量热计（DSC）测量调色剂的吸热量时，归因于粘结剂树脂的最大吸热峰的峰值温度Tp为50至80℃; 在满足Tp'-15.0≤t≤Tp'-5.0的加热温度t（℃）下加热熔融颗粒至少0.5小时。
-
公开(公告)号：EP2596405A1
公开(公告)日：2013-05-29
申请号：EP11809716.1
申请日：2011-07-14
发明人： AOKI, Kenji , TANI, Atsushi , KAYA, Takaaki , OKAMOTO, Ayako , KASUYA, Takashige
IPC分类号： G03G9/087
CPC分类号： G03G9/08755 , G03G9/0804 , G03G9/08788 , G03G9/08795 , G03G9/08797
摘要： In the measurement of an endothermic amount of a toner, (1) an endothermic peak temperature (Tp) derived from the binder resin is 50°C or higher and 80°C or lower; (2) a total endothermic amount (ΔH) derived from the binder resin is 30 [J/g] or more and 125 [J/g] or less based on mass of the binder resin; (3) when an endothermic amount derived from the binder resin from an initiation temperature of an endothermic process to Tp is represented by ΔH
Tp [J/g], ΔH and ΔH
Tp satisfy formula (1) below; and (4) when an endothermic amount derived from the binder resin from the initiation temperature of an endothermic process to a temperature 3.0°C lower than Tp is represented by ΔH
Tp-3 [J/g], ΔH and ΔH
Tp-3 satisfy formula (2) below. 0.30 ≤ ΔH
Tp-3 / ΔH ≤ 0.50 (1) 0.00 ≤ ΔH
Tp-3 / ΔH ≤ 0.20 (2)摘要翻译： 在测量调色剂的吸热量时，（1）来自粘合剂树脂的吸热峰温度（Tp）为50℃以上且80℃以下; （2）以粘合剂树脂的质量为基准，来自粘合剂树脂的总吸热量（ΔH）为30 [J / g]以上且125 [J / g]以下; （3）当ΔHTp [J / g]表示从吸热过程的起始温度到Tp的粘合剂树脂产生的吸热量时，ΔH和ΔHTp满足下面的公式（1）; （4）当ΔHTp-3 [J / g]表示从吸热过程的起始温度到低于3.0℃的温度的来自粘合剂树脂的吸热量，ΔH和ΔHTp-3满足 公式（2）。 0.30≤ΔHTp-3 /ΔH≤0.50（1）0.00≤ΔHTp-3 /ΔH≤0.20（2）
-
10.发明公开
公开(公告)号：EP2281778A1
公开(公告)日：2011-02-09
申请号：EP09746708.8
申请日：2009-05-14
发明人： OGAWA, Yoshihiro , HASEGAWA, Yusuke , NISHIKAWA, Kouji , OKAZAKI, Miho , SUZUMURA, Yoshitaka , KASUYA, Takashige
CPC分类号： C09C3/12 , B82Y30/00 , C01P2004/62 , C01P2004/64 , C01P2006/12 , C09C1/3072 , C09C1/3081 , G03G9/09716 , G03G9/09725 , Y10T428/2995
摘要： Hydrophobic inorganic fine particles are provided which: does not cause melt adhesion of toner to a photosensitive member and contamination of a contact charging member; imparts excellent flowability, charging performance and durability to toner even after the toner is stored in a high-temperature, high-humidity environment over a long time period; and does not cause dripping of toner and contamination with the toner. The hydrophobic inorganic fine particles are obtained by subjecting inorganic fine particles to surface treatment with silicone oil and then with a silane compound and/or a silazane compound, or by subjecting inorganic fine particles to surface treatment with a silane compound and/or a silazane compound in the presence of silicone oil, and further subjecting the inorganic fine particles thus surface-treated to surface treatment with silicone oil.
摘要翻译： 提供了疏水性无机细颗粒，其不会使调色剂熔融粘附到感光构件上并且使接触充电构件受到污染; 即使在长时间在高温，高湿度环境中储存调色剂之后，赋予调色剂优异的流动性，充电性能和耐久性; 并且不会引起调色剂的滴落和调色剂的污染。 疏水性无机细颗粒是通过用硅油对硅烷化合物和/或硅氮烷化合物进行表面处理，或者用无机细颗粒用硅烷化合物和/或硅氮烷化合物进行表面处理而获得的 在硅油的存在下，进一步对由此进行表面处理的无机微粒进行硅油表面处理。
-
-
-
-
-
-
-
-
-
搜索结果
16 条记录 (耗时 0.02 秒)
