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公开(公告)号：US20050026060A1
公开(公告)日：2005-02-03
申请号：US10786050
申请日：2004-02-26
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。
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公开(公告)号：US07422832B2
公开(公告)日：2008-09-09
申请号：US10786050
申请日：2004-02-26
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。
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公开(公告)号：US20070202424A1
公开(公告)日：2007-08-30
申请号：US11742177
申请日：2007-04-30
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。
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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。
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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.
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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。
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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.
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公开(公告)号：US07097951B2
公开(公告)日：2006-08-29
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.
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。
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公开(公告)号：US20090186288A1
公开(公告)日：2009-07-23
申请号：US12298755
申请日：2007-04-25
申请人： Junko Hirata , Yoshihiro Ogawa , Yusuke Hasegawa , Kouji Nishikawa , Miho Okazaki , Takashige Kasuya
发明人： Junko Hirata , Yoshihiro Ogawa , Yusuke Hasegawa , Kouji Nishikawa , Miho Okazaki , Takashige Kasuya
IPC分类号： G03G9/083
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.
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，介电损耗角正切（tanδ）为 在100kHz和40℃下的磁性调色剂为2.0×10 -3至1.0×10 -2。
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公开(公告)号：US08084174B2
公开(公告)日：2011-12-27
申请号：US12569145
申请日：2009-09-29
IPC分类号： G03G9/00
CPC分类号： G03G9/08791 , G03G9/0823 , G03G9/0833 , G03G9/0834 , G03G9/0836 , G03G9/0837 , G03G9/08755
摘要： An object of the present invention is to provide a toner excellent in ability to prevent electrostatic offset and fixation tailing. Provided is a toner including toner particles each containing at least a binder resin, a wax, and a magnetic iron oxide, and inorganic fine particles, in which the magnetic iron oxide contains at least a Ti component, an Al component, an Si component, and an Fe component; and the each component has some particular characteristics.
摘要翻译： 本发明的目的是提供一种防止静电胶印和定影拖尾的能力优良的调色剂。 提供一种调色剂，其包含至少含有粘合剂树脂，蜡和磁性氧化铁的调色剂颗粒和无机细颗粒，其中磁性氧化铁至少含有Ti组分，Al组分，Si组分， 和Fe成分; 并且每个组件具有一些特定的特征。
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