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    • 5. 发明公开
    • 좁고 균일한 대전 특성을 갖는 토너
    • 具有窄幅和均匀充电属性的调色剂
    • KR1020100073629A
    • 2010-07-01
    • KR1020080132346
    • 2008-12-23
    • 주식회사 엘지화학
    • 김종은최병주정재식이창순이희제
    • G03G9/097G03G9/093G03G9/08
    • PURPOSE: A non-magnetic one component color toner and a producing method thereof are provided to secure the uniformity and the narrow surface charge property of the toner, and to improve the definition and the transfer efficiency of the toner. CONSTITUTION: A non-magnetic one component color toner includes toner mother particles which is surface modified with a charge control agent. The charge control agent is either a styrene/BA(N-butyl acrylate) resin with the molecular weight of 2,000~35,000 or a styrene/2-EHA(2- ethylhexylacrylate) resin. The particle diameter of the charge control agent is 0.5~2 micrometers.
    • 目的:提供一种非磁性单组分彩色调色剂及其制备方法,以确保调色剂的均匀性和窄表面电荷性能,并提高调色剂的清晰度和转印效率。 构成:非磁性单组分彩色调色剂包括用电荷控制剂进行表面改性的调色剂母粒子。 电荷控制剂是分子量为2,000〜35,000的苯乙烯/ BA(丙烯酸正丁酯)树脂或苯乙烯/ 2-EHA(2-乙基己基丙烯酸酯)树脂。 电荷控制剂的粒径为0.5〜2微米。
    • 6. 发明公开
    • 대전 특성이 균일하여 장기신뢰성이 우수한 자성 토너조성물
    • 具有均匀电性的超高温稳定性的磁性组合物
    • KR1020070079472A
    • 2007-08-07
    • KR1020060010174
    • 2006-02-02
    • 주식회사 엘지화학
    • 이원섭이창순한혜은손권남최병주
    • G03G9/083
    • Provided is a magnetic toner composition which improves charge characteristics and retains uniform charge characteristics capable of reducing electrostatic charge difference between a supplemented toner and a residual toner in a cartridge or developing apparatus. A magnetic toner composition comprises (a) magnetic toner mother particles including a binder resin and a magnetic substance, (b) a hydrophobic silica having a specific surface area of 20-80m^2/g, (c) a hydrophobic silica having a specific surface area of 110-250m^2/g, and (d) an organic compound having an electron transfer rate of 1.0x10^(-7) to 2.0x10^(-6) cm^2/Vs, and (e) an inorganic fine powder having an average particle size of 0.1-2.0 mum.
    • 提供一种磁性调色剂组合物,其改善电荷特性并保持均匀的电荷特性,其能够减少墨盒或显影装置中补充的调色剂和残留调色剂之间的静电电荷差异。 磁性调色剂组合物包含(a)包含粘合剂树脂和磁性物质的磁性调色剂母粒子,(b)比表面积为20-80m 2 / g的疏水性二氧化硅,(c)具有特定 表面积为110-250m 2 / g,(d)电子传递速率为1.0×10 -3(-7)至2.0×10 -6(-6)cm -2 / Vs的有机化合物,(e) 平均粒径为0.1〜2.0μm的无机细粉末。
    • 7. 发明公开
    • 정착성이 우수한 자성 일성분계 토너 조성물
    • 具有超级固定性能的磁性单组分卷取组合物
    • KR1020070079470A
    • 2007-08-07
    • KR1020060010172
    • 2006-02-02
    • 주식회사 엘지화학
    • 이원섭이창순한혜은손권남최병주
    • G03G9/083
    • A magnetic mono-component toner composition is provided to be superior in off-set resistance and blocking resistance, form stabilized images even after long-time copying or printing, and prevent off-set and non-image part stains resulting from poor fixation. A magnetic mono-component toner composition comprises (a) magnetic toner mother particles including (i) a binding resin, (ii) a magnetic substance, and (iii) a charge controller, (b) fine powder of cyclic olefin-noncyclic olefin copolymers, (c) a hydrophobic silica having a specific surface area of 100-300 m^2/g, and (d) a metal oxide fine powder. The binding resin is a polycondensate of an alcohol component and a carboxylic acid component.
    • 提供了一种磁性单组分调色剂组合物,即使经过长时间的复印或印刷,也具有优异的抗静电性和抗粘连性,形成稳定的图像,并且防止由于固定不良导致的偏移和非图像部分污渍。 磁性单组分调色剂组合物包含(a)磁性调色剂母粒,其包括(i)粘合树脂,(ii)磁性物质和(iii)电荷控制剂,(b)环状烯烃 - 非环状烯烃共聚物的细粉末 ,(c)比表面积为100-300m 2 / g的疏水性二氧化硅,和(d)金属氧化物细粉末。 粘合树脂是醇组分和羧酸组分的缩聚物。