公开(公告)号：US07700254B2

公开(公告)日：2010-04-20

申请号：US12056917

申请日：2008-03-27

申请人： Syuhei Moribe ,  Katsuhisa Yamazaki ,  Daisuke Yoshiba ,  Hirata Junko ,  Masami Fujimoto ,  Takashige Kasuya

发明人： Syuhei Moribe ,  Katsuhisa Yamazaki ,  Daisuke Yoshiba ,  Hirata Junko ,  Masami Fujimoto ,  Takashige Kasuya

IPC分类号： G03G9/087

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 5.0×10−2 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 1.5×10−1 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即使在高速无油定影系统中也不会引起喷射片粘附并且能够防止无框印刷引起扭转偏移现象的显影性和优异的低温定影性的调色剂。 具体地说，提供了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可溶的比例 在GPC-RALLS-粘度计分析中，相对于THF可溶物的总量，特性粘度为5.0×10 -2 dl / g以下的物质为15.0质量％〜60.0质量％，a 在GPC-RALLS-粘度计分析中，相对于THF可溶物质的总量，特性粘度为1.5×10 -1 dl / g以上的THF可溶物质为20.0质量％〜40.0质量％。

公开(公告)号：US20080187853A1

公开(公告)日：2008-08-07

申请号：US12056917

申请日：2008-03-27

申请人： Syuhei Moribe ,  Katsuhisa Yamazaki ,  Daisuke Yoshiba ,  Junko Hirata ,  Masami Fujimoto ,  Takashige Kasuya

发明人： Syuhei Moribe ,  Katsuhisa Yamazaki ,  Daisuke Yoshiba ,  Junko Hirata ,  Masami Fujimoto ,  Takashige Kasuya

IPC分类号： G03G9/087

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 5.0×10−2 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 1.5×10−1 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即使在高速无油定影系统中也不会引起喷射片粘附并且能够防止无框印刷引起扭转偏移现象的显影性和优异的低温定影性的调色剂。 具体地说，提供了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可溶的比例 在GPC-RALLS-粘度计分析中，相对于THF可溶物的总量，特性粘度为5.0×10 -2 dl / g以下的物质为15.0质量％〜60.0质量％ ，特性粘度为1.5×10 -1 dl / g以上的THF可溶性物质相对于GPC-RALLS-粘度计中THF可溶物质的总量的比例 分析为20.0质量％至40.0质量％。

公开(公告)号：US20080124643A1

公开(公告)日：2008-05-29

申请号：US11947523

申请日：2007-11-29

申请人： Daisuke Yoshiba ,  Katsuhisa Yamazaki ,  Syuhei Moribe ,  Junko Nishiyama ,  Shuichi Hiroko ,  Masami Fujimoto ,  Takashige Kasuya

发明人： Daisuke Yoshiba ,  Katsuhisa Yamazaki ,  Syuhei Moribe ,  Junko Nishiyama ,  Shuichi Hiroko ,  Masami Fujimoto ,  Takashige Kasuya

IPC分类号： G03G9/093

CPC分类号： G03G9/09725 ,  G03G9/0812 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08786 ,  G03G9/09716 ,  G03G9/09783

摘要： A toner is provided which can stably provide a favorable density stability, line reproducibility and dot reproducibility even in high-speed copying machines, printers and the like which form high resolution latent images over a long period regardless of environmental conditions, and can provide the image quality adaptable to embedded pattern printing, QR code printing and the like. The present invention is characterized in that the toner which includes toner particles including at least a binder resin and a colorant, and a fine silica powder, has a volume median diameter (D50) of not less than 0.70 μm and not more than 3.00 μm, and a total pore volume of not more than 0.200 cm3/g, measured in the range of the pore diameter from not less than 1.7 nm and not more than 300.0 nm.

摘要翻译： 即使在环境条件下长时间形成高分辨率潜像的高速复印机，打印机等中，也可以稳定地提供良好的密度稳定性，线重现性和点再现性的调色剂，并且可以提供图像 质量适应嵌入式图案打印，QR码打印等。 本发明的特征在于，包括至少包含粘合剂树脂和着色剂的调色剂颗粒和二氧化硅微粉的调色剂的体积中值粒径（D50）不小于0.70μm和不大于3.00μm， 并且在孔径的范围内测量的不超过0.200cm 3 / g的总孔体积不小于1.7nm且不大于300.0nm。

公开(公告)号：US07537877B2

公开(公告)日：2009-05-26

申请号：US11947523

申请日：2007-11-29

申请人： Daisuke Yoshiba ,  Katsuhisa Yamazaki ,  Syuhei Moribe ,  Junko Nishiyama ,  Shuichi Hiroko ,  Masami Fujimoto ,  Takashige Kasuya

发明人： Daisuke Yoshiba ,  Katsuhisa Yamazaki ,  Syuhei Moribe ,  Junko Nishiyama ,  Shuichi Hiroko ,  Masami Fujimoto ,  Takashige Kasuya

IPC分类号： G03G9/08

CPC分类号： G03G9/09725 ,  G03G9/0812 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/08786 ,  G03G9/09716 ,  G03G9/09783

摘要： A toner is provided which can stably provide a favorable density stability, line reproducibility and dot reproducibility even in high-speed copying machines, printers and the like which form high resolution latent images over a long period regardless of environmental conditions, and can provide the image quality adaptable to embedded pattern printing, QR code printing and the like. The present invention is characterized in that the toner which includes toner particles including at least a binder resin and a colorant, and a fine silica powder, has a volume median diameter (D50) of not less than 0.70 μm and not more than 3.00 μm, and a total pore volume of not more than 0.200 cm3/g, measured in the range of the pore diameter from not less than 1.7 nm and not more than 300.0 nm.

摘要翻译： 即使在环境条件下长时间形成高分辨率潜像的高速复印机，打印机等中，也可以稳定地提供良好的密度稳定性，线重现性和点再现性的调色剂，并且可以提供图像 质量适应嵌入式图案打印，QR码打印等。 本发明的特征在于，包括至少包含粘合剂树脂和着色剂的调色剂颗粒和二氧化硅微粉的调色剂的体积中值粒径（D50）不小于0.70μm和不大于3.00μm， 并且在孔径范围内测量的不小于1.7nm且不大于300.0nm的总孔体积不大于0.200cm 3 / g。

公开(公告)号：US07422832B2

公开(公告)日：2008-09-09

申请号：US10786050

申请日：2004-02-26

申请人： Yoshihiro Ogawa ,  Takashige Kasuya ,  Syuhei Moribe ,  Kouji Nishikawa

发明人： Yoshihiro Ogawa ,  Takashige Kasuya ,  Syuhei Moribe ,  Kouji Nishikawa

IPC分类号： G03G9/083

CPC分类号： G03G9/0819 ,  G03G9/0827 ,  G03G9/0833 ,  G03G9/0834 ,  G03G9/0835 ,  G03G9/09766

摘要： Provided is a magnetic toner comprising magnetic toner particles each comprising at least a binder resin and a magnetic iron oxide, the magnetic toner being excellent in developability and environmental stability, and being capable of reducing a toner consumption. A saturation magnetization σs and a remanent magnetization σr of the magnetic toner in a measured magnetic field of 795.8 kA/m are arranged in the range of 5 to 60 Am2/kg and in the range of 0.1 to 10.0 Am2/kg, respectively, and the binder resin having a polyester component polymerized by using a Ti chelate compound as a catalyst is used.

摘要翻译： 提供了一种磁性调色剂，其包含每个至少包含粘合剂树脂和磁性氧化铁的磁性调色剂颗粒，所述磁性调色剂的显影性和环境稳定性优异，并且能够降低调色剂消耗。 在795.8kA / m的测量磁场中的磁性调色剂的饱和磁化强度和残余磁化强度排列在5至60Am 2 / kg的范围内，并且在0.1至 使用10.0Am 2 / kg，并且使用具有通过使用Ti螯合化合物作为催化剂聚合的聚酯组分的粘合剂树脂。

公开(公告)号：US20060177753A1

公开(公告)日：2006-08-10

申请号：US11378349

申请日：2006-03-20

申请人： Syuhei Moribe ,  Hiroshi Yusa ,  Takashige Kasuya ,  Yoshihiro Ogawa

发明人： Syuhei Moribe ,  Hiroshi Yusa ,  Takashige Kasuya ,  Yoshihiro Ogawa

IPC分类号： G03G9/08

CPC分类号： G03G9/09725 ,  G03G5/04 ,  G03G5/0436 ,  G03G5/0514 ,  G03G9/0821 ,  G03G9/083 ,  G03G9/0835 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09783

摘要： A toner of the present invention comprises at least a binder resin comprising as a main component a polyester resin, a wax, and a colorant, in which in case of measuring a wettability of the toner with respect to a mixed solvent of methanol and water in terms of an optical transimittance at an optical wavelength of 780 nm, a methanol concentration of the mixed solvent is in a range of 45 to 65% by volume when an optical transmittance is 80% and 10%, respectively; a melt index (MI) is of 0.1 to 10 g/lO min at a temperature of 125° C. and a load of 5 kg; the toner comparises a resin component insoluble to tetrahydrofuran (THF insoluble component) in an amount of 5 to 40% by mass based on a mass of the binder resin; and the toner comprises a THF soluble component having a main peak in a molecular weight region of 3,000 to 20,000, and has a proportion of a component having a molecular weight of 10,000 or less in the THF soluble component is 50% by mass or more, according to a chromatogram of the THF soluble component measured by gel permeation chromatography. According to the toner of the present invention, it is possible to control lowering of an image density after leaving under a high temperature and high humidity environment, and a decline in the image density due to a charge-rise phenomenon upon low rate printing. Further, the toner has excellent fixing property and high temperature offset characteristic, and occurring of the end-offset is controlled.

摘要翻译： 本发明的调色剂至少包含粘合剂树脂，其包含作为主要成分的聚酯树脂，蜡和着色剂，其中在测量调色剂相对于甲醇和水的混合溶剂的润湿性的情况下 当光学透射率为80％和10％时，光波长为780nm时的混合溶剂的甲醇浓度为45〜65体积％。 熔体指数（MI）在125℃的温度和5kg的负荷下为0.1至10g / 10分钟; 相对于粘合剂树脂的质量，该调色剂比较不溶于四氢呋喃的THF树脂成分（THF不溶成分）的量为5〜40质量％ 调色剂包含分子量为3000〜20,000的主峰的THF可溶成分，THF可溶成分中的分子量为10,000以下的成分的比例为50质量％以上， 根据通过凝胶渗透色谱测量的THF可溶性组分的色谱图。 根据本发明的调色剂，可以控制在高温和高湿度环境下离开之后的图像浓度的降低，以及在低速打印时由于充电 - 上升现象引起的图像浓度的下降。 此外，调色剂具有优异的定影性和高温偏移特性，并且控制了端部偏移的发生。

公开(公告)号：US20060035163A1

公开(公告)日：2006-02-16

申请号：US11212638

申请日：2005-08-29

申请人： Syuhei Moribe ,  Hiroshi Yusa ,  Takashige Kasuya ,  Yoshihiro Ogawa

发明人： Syuhei Moribe ,  Hiroshi Yusa ,  Takashige Kasuya ,  Yoshihiro Ogawa

IPC分类号： G03G9/08

CPC分类号： G03G9/09725 ,  G03G5/04 ,  G03G5/0436 ,  G03G5/0514 ,  G03G9/0821 ,  G03G9/083 ,  G03G9/0835 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09783

摘要： A toner of the present invention comprises at least a binder resin comprising as a main component a polyester resin, a wax, and a colorant, in which in case of measuring a wettability of the toner with respect to a mixed solvent of methanol and water in terms of an optical transimittance at an optical wavelength of 780 nm, a methanol concentration of the mixed solvent is in a range of 45 to 65% by volume when an optical transmittance is 80% and 10%, respectively; a melt index (MI) is of 0.1 to 10 g/10 min at a temperature of 125° C. and a load of 5 kg; the toner comparises a resin component insoluble to tetrahydrofuran (THF insoluble component) in an amount of 5 to 40% by mass based on a mass of the binder resin; and the toner comprises a THF soluble component having a main peak in a molecular weight region of 3,000 to 20,000, and has a proportion of a component having a molecular weight of 10,000 or less in the THF soluble component is 50% by mass or more, according to a chromatogram of the THF soluble component measured by gel permeation chromatography. According to the toner of the present invention, it is possible to control lowering of an image density after leaving under a high temperature and high humidity environment, and a decline in the image density due to a charge-rise phenomenon upon low rate printing. Further, the toner has excellent fixing property and high temperature offset characteristic, and occurring of the end-offset is controlled.

公开(公告)号：US20050026060A1

公开(公告)日：2005-02-03

申请号：US10786050

申请日：2004-02-26

申请人： Yoshihiro Ogawa ,  Takashige Kasuya ,  Syuhei Moribe ,  Kouji Nishikawa

发明人： Yoshihiro Ogawa ,  Takashige Kasuya ,  Syuhei Moribe ,  Kouji Nishikawa

IPC分类号： G03G9/08 ,  G03G9/083 ,  G03G9/087 ,  G03G9/097 ,  G03G9/00

CPC分类号： G03G9/0819 ,  G03G9/0827 ,  G03G9/0833 ,  G03G9/0834 ,  G03G9/0835 ,  G03G9/09766

摘要： Provided is a magnetic toner comprising magnetic toner particles each comprising at least a binder resin and a magnetic iron oxide, the magnetic toner being excellent in developability and environmental stability, and being capable of reducing a toner consumption. A saturation magnetization σs and a remanent magnetization σr of the magnetic toner in a measured magnetic field of 795.8 kA/m are arranged in the range of 5 to 60 Am2/kg and in the range of 0.1 to 10.0 Am2/kg, respectively, and the binder resin having a polyester component polymerized by using a Ti chelate compound as a catalyst is used.

摘要翻译： 提供了一种磁性调色剂，其包含每个至少包含粘合剂树脂和磁性氧化铁的磁性调色剂颗粒，所述磁性调色剂的显影性和环境稳定性优异，并且能够降低调色剂消耗。 在795.8kA / m的测量磁场中的磁性调色剂的饱和磁化强度和残余磁化强度排列在5至60Am 2 / kg的范围内，并且在0.1至10.0Am 2的范围内 / kg，并且使用具有通过使用Ti螯合化合物作为催化剂聚合的聚酯组分的粘合剂树脂。

公开(公告)号：US07267919B2

公开(公告)日：2007-09-11

申请号：US11378349

申请日：2006-03-20

申请人： Syuhei Moribe ,  Hiroshi Yusa ,  Takashige Kasuya ,  Yoshihiro Ogawa

发明人： Syuhei Moribe ,  Hiroshi Yusa ,  Takashige Kasuya ,  Yoshihiro Ogawa

IPC分类号： G03G9/087

CPC分类号： G03G9/09725 ,  G03G5/04 ,  G03G5/0436 ,  G03G5/0514 ,  G03G9/0821 ,  G03G9/083 ,  G03G9/0835 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09783

摘要： A toner of the present invention comprises at least a binder resin comprising as a main component a polyester resin, a wax, and a colorant, in which in case of measuring a wettability of the toner with respect to a mixed solvent of methanol and water in terms of an optical transimittance at an optical wavelength of 780 nm, a methanol concentration of the mixed solvent is in a range of 45 to 65% by volume when an optical transmittance is 80% and 10%, respectively; a melt index (MI) is of 0.1 to 10 g/10 min at a temperature of 125° C. and a load of 5 kg; the toner comparises a resin component insoluble to tetrahydrofuran (THF insoluble component) in an amount of 5 to 40% by mass based on a mass of the binder resin; and the toner comprises a THF soluble component having a main peak in a molecular weight region of 3,000 to 20,000, and has a proportion of a component having a molecular weight of 10,000 or less in the THF soluble component is 50% by mass or more, according to a chromatogram of the THF soluble component measured by gel permeation chromatography. According to the toner of the present invention, it is possible to control lowering of an image density after leaving under a high temperature and high humidity environment, and a decline in the image density due to a charge-rise phenomenon upon low rate printing. Further, the toner has excellent fixing property and high temperature offset characteristic, and occurring of the end-offset is controlled.

摘要翻译： 本发明的调色剂至少包含粘合剂树脂，其包含作为主要成分的聚酯树脂，蜡和着色剂，其中在测量调色剂相对于甲醇和水的混合溶剂的润湿性的情况下 当光学透射率为80％和10％时，光波长为780nm时的混合溶剂的甲醇浓度为45〜65体积％。 在125℃的温度和5kg的负荷下，熔体指数（MI）为0.1至10g / 10min; 相对于粘合剂树脂的质量，该调色剂比较不溶于四氢呋喃的THF树脂成分（THF不溶成分）的量为5〜40质量％ 调色剂包含分子量为3000〜20,000的主峰的THF可溶成分，THF可溶成分中的分子量为10,000以下的成分的比例为50质量％以上， 根据通过凝胶渗透色谱测量的THF可溶性组分的色谱图。 根据本发明的调色剂，可以控制在高温和高湿度环境下离开之后的图像浓度的降低，以及在低速打印时由于充电 - 上升现象引起的图像浓度的下降。 此外，调色剂具有优异的定影性和高温偏移特性，并且控制了端部偏移的发生。

公开(公告)号：US07001703B2

公开(公告)日：2006-02-21

申请号：US10669376

申请日：2003-09-25

申请人： Syuhei Moribe ,  Hiroshi Yusa ,  Takashige Kasuya ,  Yoshihiro Ogawa

发明人： Syuhei Moribe ,  Hiroshi Yusa ,  Takashige Kasuya ,  Yoshihiro Ogawa

IPC分类号： G03G9/087

CPC分类号： G03G9/09725 ,  G03G5/04 ,  G03G5/0436 ,  G03G5/0514 ,  G03G9/0821 ,  G03G9/083 ,  G03G9/0835 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09783

摘要： A toner of the present invention comprises at least a binder resin comprising as a main component a polyester resin, a wax, and a colorant, in which in case of measuring a wettability of the toner with respect to a mixed solvent of methanol and water in terms of an optical transimittance at an optical wavelength of 780 nm, a methanol concentration of the mixed solvent is in a range of 45 to 65% by volume when an optical transmittance is 80% and 10%, respectively; a melt index (MI) is of 0.1 to 10 g/10 min at a temperature of 125° C. and a load of 5 kg; the toner comparises a resin component insoluble to tetrahydrofuran (THF insoluble component) in an amount of 5 to 40% by mass based on a mass of the binder resin; and the toner comprises a THF soluble component having a main peak in a molecular weight region of 3,000 to 20,000, and has a proportion of a component having a molecular weight of 10,000 or less in the THF soluble component is 50% by mass or more, according to a chromatogram of the THF soluble component measured by gel permeation chromatography. According to the toner of the present invention, it is possible to control lowering of an image density after leaving under a high temperature and high humidity environment, and a decline in the image density due to a charge-rise phenomenon upon low rate printing. Further, the toner has excellent fixing property and high temperature offset characteristic, and occurring of the end-offset is controlled.