专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2012073911A1 METHOD OF PRODUCING TONER 审中-公开
标题翻译：生产调色剂的方法
公开(公告)号：WO2012073911A1
公开(公告)日：2012-06-07
申请号：PCT/JP2011/077438
申请日：2011-11-21
申请人： CANON KABUSHIKI KAISHA , AOKI, Kenji , WATANABE, Shuntaro , KAYA, Takaaki , OKAMOTO, Ayako , KINUMATSU, Tetsuya , TANI, Atsushi , KASUYA, Takashige
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：本发明提供了一种低温定影性优异的调色剂，耐热储存性，耐偏移性和耐久性优异的调色剂。在通过乳液聚集制造含有调色剂颗粒的调色剂的方法中，每个调色剂颗粒包括其主要成分是具有晶体结构的嵌段聚合物的粘合剂树脂，着色剂和脱模剂; 粘合剂树脂包括聚酯作为主要成分; 能够形成结晶结构部分的粘合剂树脂的比例为50〜80质量％。归属于粘合剂树脂的最大吸热峰的峰值温度Tp在使用差示扫描量热计（DSC）的调色剂的吸热量测量中为50至80℃; 并将熔融颗粒在满足Tp'-15.0 = t = Tp'-5.0的加热温度t（℃）下加热至少0.5小时。

2. 发明申请

WO2012011546A1 TONER 审中-公开
标题翻译：碳粉
公开(公告)号：WO2012011546A1
公开(公告)日：2012-01-26
申请号：PCT/JP2011/066645
申请日：2011-07-14
申请人： CANON KABUSHIKI KAISHA , AOKI, Kenji , TANI, Atsushi , KAYA, Takaaki , OKAMOTO, Ayako , KASUYA, Takashige
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：在调色剂的吸热量的测定中，（1）来自粘结剂树脂的吸热峰温度（Tp）为50℃以上且80℃以下，（2）基于粘合剂树脂的质量，从粘合剂树脂得到的总吸热量（ΔH）为30 [J / g]以上且125 [J / g]以下。（3）当从吸热处理的起始温度到Tp的粘合剂树脂的吸热量表示为ΔHTp[J / g]时，ΔH和ΔHpp满足下式（1）; 和（4）当从吸热过程的起始温度到低于Tp的3.0℃的温度下，从粘合剂树脂得到的吸热量表示为ΔHTp-3 [J / g]，ΔH和ΔHTp-3 满足下面的公式（2）。 0.30 =？HTp-3 /？H = 0.50（1）0.00 =？HTp-3 /？H = 0.20（2）

3. 发明申请

WO2007126125A1 MAGNETIC TONER 审中-公开
标题翻译：磁性墨粉
公开(公告)号：WO2007126125A1
公开(公告)日：2007-11-08
申请号：PCT/JP2007/059412
申请日：2007-04-25
申请人： CANON KABUSHIKI KAISHA , NISHIYAMA, Junko , OGAWA, Yoshihiro , HASEGAWA, Yusuke , NISHIKAWA, Kouji , OKAZAKI, Miho , KASUYA, Takashige
发明人： NISHIYAMA, Junko , OGAWA, Yoshihiro , HASEGAWA, Yusuke , NISHIKAWA, Kouji , OKAZAKI, Miho , KASUYA, Takashige
IPC分类号： G03G9/083 , G03G9/087
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 (tanδ) of the magnetic toner at 100 kHz and 40°C is 2.0 x 10 -3 to 1.0 x 10 -2 .
摘要翻译：本发明的目的是提供一种能够获得具有高图像密度和优异的图像再现性的图像的磁性调色剂，即使长期使用也具有优异的流动性，充电稳定性和充电均匀性，并且还使得抑制雾化，重影和散射的图像。磁性调色剂至少具有粘合剂树脂和磁性材料，其中磁性材料是磁性材料的介电击穿电压为160至1600V / cm的磁性氧化铁，并且介电损耗角正切（tand）为在100kHz和40℃下的磁性调色剂为2.0×10 -3 -3.0×10 -2 -2。

4. 发明申请

WO2006114900A1 MAGNETIC TONER 审中-公开
标题翻译：磁性墨粉
公开(公告)号：WO2006114900A1
公开(公告)日：2006-11-02
申请号：PCT/JP2005/012158
申请日：2005-06-24
申请人： CANON KABUSHIKI KAISHA , OGAWA, Yoshihiro , HASEGAWA, Yusuke , ABE, Shinichiro , NISHIYAMA, Junko , KASUYA, Takashige
发明人： OGAWA, Yoshihiro , HASEGAWA, Yusuke , ABE, Shinichiro , NISHIYAMA, Junko , KASUYA, Takashige
IPC分类号： G03G9/083 , G03G9/087
CPC分类号： G03G9/09725 , G03G9/081 , G03G9/0819 , G03G9/0833 , G03G9/0835 , G03G9/0836 , G03G9/08755 , G03G9/09716
摘要： A magnetic toner is disclosed having magnetic toner particles containing a binder resin and a magnetic iron oxide. The magnetic toner has a specific saturation magnetization and a specific residual magnetization in a certain magnetic field. The binder resin includes a polyester component polymerized with an aromatic carboxylic acid titanium compound as a catalyst.
摘要翻译：公开了一种磁性调色剂，其具有含有粘合剂树脂和磁性氧化铁的磁性调色剂颗粒。磁性调色剂在一定的磁场中具有特定的饱和磁化强度和特定的剩余磁化强度。粘合剂树脂包括与芳族羧酸钛化合物作为催化剂聚合的聚酯组分。

5. 发明申请

WO2013081172A1 TONER 审中-公开
标题翻译：碳粉
公开(公告)号：WO2013081172A1
公开(公告)日：2013-06-06
申请号：PCT/JP2012/081432
申请日：2012-11-28
申请人： CANON KABUSHIKI KAISHA
发明人： TANI, Atsushi , MORI, Toshifumi , KAYA, Takaaki , KINUMATSU, Tetsuya , AOKI, Kenji , WATANABE, Shuntaro , NAKAGAWA, Yoshihiro , KASUYA, Takashige
IPC分类号： G03G9/08 , G03G9/087
CPC分类号： G03G9/09321 , G03G9/09328 , G03G9/09357 , G03G9/09371 , G03G9/09392
摘要： A toner having good low-temperature fixability, charge stability, environmental stability, and durability and capable of stably producing high-quality images for a long time is provided. The toner includes a toner particle having a core-shell structure constituted of a core and a shell phase. The core contains a binder resin, a colorant, and wax, and the shell phase contains a resin A. The resin A is a comb polymer including a main chain portion (X), a side chain portion (Y), and a side chain portion (Z). The main chain portion (X) is a vinyl polymer, the side chain portion (Y) has an aliphatic polyester structure and has an ester group concentration of a polyester segment of 6.5 mmol/g or less, and the side chain portion (Z) has an organic polysiloxane structure and has an average number of Si-O bond repeating units of a siloxane segment of 2 or more and 100 or less.
摘要翻译：提供了具有良好的低温定影性，电荷稳定性，环境稳定性和耐久性并且能够长时间稳定地生产高品质图像的调色剂。调色剂包括具有由芯和壳相构成的核 - 壳结构的调色剂颗粒。芯包含粘合剂树脂，着色剂和蜡，壳相含有树脂A.树脂A是包括主链部分（X），侧链部分（Y）和侧链的梳状聚合物部分（Z）。主链部（X）是乙烯基聚合物，侧链部（Y）具有脂肪族聚酯结构，聚酯链段的酯基浓度为6.5mmol / g以下，侧链部（Z）具有有机聚硅氧烷结构，并且硅氧烷链段的Si-O键重复单元的平均数为2以上且100以下。

6. 发明授权

EP2646879B1 METHOD OF PRODUCING TONER 有权
标题翻译：生产碳粉的方法
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
申请人： Canon Kabushiki Kaisha
发明人： AOKI, Kenji , WATANABE, Shuntaro , KAYA, Takaaki , OKAMOTO, Ayako , KINUMATSU, Tetsuya , TANI, Atsushi , KASUYA, Takashige
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/0804 , G03G9/0815 , G03G9/08755 , G03G9/08764 , G03G9/08771 , G03G9/08788 , G03G9/08797

7. 发明授权

EP2031451B1 TONER 有权
标题翻译：碳粉
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
申请人： Canon Kabushiki Kaisha
发明人： YOSHIBA, Daisuke , YAMAZAKI, Katsuhisa , MORIBE, Syuhei , HIRATA, Junko , HIROKO, Shuichi , FUJIMOTO, Masami , KASUYA, Takashige
IPC分类号： G03G9/08 , G03G9/097
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。

8. 发明授权

EP2016466B1 MAGNETIC TONER 有权
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
申请人： Canon Kabushiki Kaisha
发明人： HIRATA, Junko , OGAWA, Yoshihiro , HASEGAWA, Yusuke , NISHIKAWA, Kouji , OKAZAKI, Miho , KASUYA, Takashige
IPC分类号： G03G9/083 , G03G9/087
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.

9. 发明授权

EP2309333B1 TONER 有权
标题翻译：碳粉
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
申请人： Canon Kabushiki Kaisha
发明人： HASEGAWA, Yusuke , OGAWA, Yoshihiro , NISHIKAWA, Kouji , KAMAE, Kentarou , KASUYA, Takashige
IPC分类号： G03G9/083 , G03G9/097 , G03G9/08 , G03G9/087
CPC分类号： G03G9/08791 , G03G9/0823 , G03G9/0833 , G03G9/0834 , G03G9/0836 , G03G9/0837 , G03G9/08755

10. 发明授权

EP2717099B1 TONER 有权
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
申请人： Canon Kabushiki Kaisha
发明人： KINUMATSU, Tetsuya , TANI, Atsushi , AOKI, Kenji , WATANABE, Shuntaro , KAYA, Takaaki , OKAMOTO, Ayako , NAKAGAWA, Yoshihiro , MORI, Toshifumi , KASUYA, Takashige
IPC分类号： G03G9/08 , G03G9/087 , G03G9/093
CPC分类号： G03G9/0825 , G03G9/0802 , G03G9/08795 , G03G9/08797 , G03G9/09307 , G03G9/09328 , G03G9/0935 , G03G9/09364 , G03G9/09371 , G03G9/09392

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