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    • 1. 发明授权
    • Non-magnetic monocomponent toner having excellent developing property at low temperature condition
    • 在低温条件下具有优异显影性能的非磁性单组分调色剂
    • US07348118B2
    • 2008-03-25
    • US10527155
    • 2004-12-16
    • Won-Sup LeeChang-Soon LeeIn-Hee Lim
    • Won-Sup LeeChang-Soon LeeIn-Hee Lim
    • G03G9/08
    • G03G9/0808G03G9/0827G03G9/08704G03G9/08708G03G9/08711G03G9/08722G03G9/08726G03G9/08782G03G9/09708G03G9/09716G03G9/09725G03G9/09733G03G9/09766
    • The present invention relates to a non-magnetic mono-component toner composition and a preparation method thereof. Disclosed is a non-magnetic mono-component toner composition prepared by coating a spherical organic fine particle having a weight-average molecular weight (Mw) of 250,000-1,600,000 and an average particle size of 50-500 nm, a hydrophobic silica, and a metal oxide fine particle on a toner mother particle. The non-magnetic mono-component toner composition of the present invention ensures smooth toner supply because of good fluidity, reduces PCR contamination and deterioration of image quality, enables uniform toner layer formation on the development roller, prevents blocking at the blade of the development roller, and solves the low temperature double image problemin the non-imaging region at a low temperature. Therefore, it can be useful for an image printing apparatus adopting the non-magnetic mono-component development system in which the developing roller contacts the photoreceptor.
    • 本发明涉及非磁性单组分调色剂组合物及其制备方法。 公开了一种非磁性单组分调色剂组合物,其通过将重均分子量(M≤W2.0)为250,000-1,600,000,平均粒径为50-500的球形有机细颗粒 nm,疏水性二氧化硅,和调色剂母粒子上的金属氧化物微粒。 本发明的非磁性单组分调色剂组合物由于良好的流动性,降低PCR污染和降低图像质量,确保了均匀的调色剂层在显影辊上的形成,从而防止了在显影辊的叶片上的粘连 ,并在低温下解决了非成像区域的低温双图像问题。 因此,对于采用显影辊与感光体接触的非磁性单组分显影系统的图像打印设备,可能是有用的。
    • 2. 发明授权
    • Magnetic mono-component toner composition
    • 磁性单组分调色剂组合物
    • US07252915B2
    • 2007-08-07
    • US10500067
    • 2002-12-24
    • Won-Sup LeeChang-Soon LeeIn-Hee Lim
    • Won-Sup LeeChang-Soon LeeIn-Hee Lim
    • G03G9/083
    • G03G9/09716G03G9/0832G03G9/0833G03G9/09708
    • The present invention relates to a magnetic mono-component toner composition, and more particularly to a mono-component toner composition that comprises magnetic toner particle comprising a binder resin, a magnetic component, and a charge control agent; a hydrophobic treated silica having a specific surface area of 20 to 80 m2/g; a hydrophobic treated silica having a specific surface area of 130 to 230 m2/g; and a metal oxide fine powder. A magnetic mono-component toner composition of the present invention has such good flowability that it provides smooth toner supply even when the developing roller surface has been worn due to long time use, and it has such excellent uniform chargeability that it prevents image deterioration (“wave” patterns of toner may form on developing roller, that is, magnetic sleeve) by forming an uniform toner layer on the developing roller.
    • 本发明涉及一种磁性单组分调色剂组合物,更具体地说,涉及包含粘合剂树脂,磁性组分和电荷控制剂的磁性调色剂颗粒的单组分调色剂组合物; 比表面积为20〜80m 2 / g的疏水性处理二氧化硅; 比表面积为130〜230m 2 / g的疏水性处理二氧化硅; 和金属氧化物细粉末。 本发明的磁性单组分调色剂组合物具有这样良好的流动性,即使当显影辊表面由于长时间使用而磨损时也提供平滑的调色剂供应,并且具有如此优异的均匀带电性,从而防止图像劣化(“ 通过在显影辊上形成均匀的调色剂层,可以在显影辊上,即磁性套筒上形成调色剂的“波浪”图案。
    • 5. 发明申请
    • Magnetic mono-component toner composition
    • 磁性单组分调色剂组合物
    • US20050019686A1
    • 2005-01-27
    • US10500067
    • 2002-12-24
    • Won-Sup LeeChang-Soon LeeIn-Hee Lim
    • Won-Sup LeeChang-Soon LeeIn-Hee Lim
    • G03G9/08G03G9/083G03G9/087G03G9/097
    • G03G9/09716G03G9/0832G03G9/0833G03G9/09708
    • The present invention relates to a magnetic mono-component toner composition, and more particularly to a mono-component toner composition that comprises magnetic toner particle comprising a binder resin, a magnetic component, and a charge control agent; a hydrophobic treated silica having a specific surface area of 20 to 80 m2/g; a hydrophobic treated silica having a specific surface area of 130 to 230 m2/g; and a metal oxide fine powder. A magnetic mono-component toner composition of the present invention has such good flowability that it provides smooth toner supply even when the developing roller surface has been worn due to long time use, and it has such excellent uniform chargeability that it prevents image deterioration (“wave” patterns of toner may form on developing roller, that is, magnetic sleeve) by forming an uniform toner layer on the developing roller.
    • 本发明涉及一种磁性单组分调色剂组合物,更具体地说,涉及包含粘合剂树脂,磁性组分和电荷控制剂的磁性调色剂颗粒的单组分调色剂组合物; 比表面积为20〜80m 2 / g的疏水处理二氧化硅; 比表面积为130〜230m 2 / g的疏水性处理二氧化硅; 和金属氧化物细粉末。 本发明的磁性单组分调色剂组合物具有这样良好的流动性,即使当显影辊表面由于长时间使用而磨损时也提供平滑的调色剂供应,并且具有如此优异的均匀带电性,从而防止图像劣化(“ 通过在显影辊上形成均匀的调色剂层,可以在显影辊上,即磁性套筒上形成调色剂的“波浪”图案。