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    • 12. 发明公开
    • 정전하상 현상용 토너, 정전하상 현상용 현상제, 토너 카트리지, 프로세스 카트리지, 화상 형성 장치
    • 用于开发静电图像的调色剂,用于开发静电图像,调色剂盒,处理盒和图像形成装置的开发者
    • KR1020100035568A
    • 2010-04-05
    • KR1020090019672
    • 2009-03-09
    • 후지제롯쿠스 가부시끼가이샤
    • 사카이모토코다카기마사히로이가라시준다구치데츠야
    • G03G9/093
    • G03G9/09716G03G9/0825G03G9/09725
    • PURPOSE: A toner for developing electrostatic image is provided to suppress deterioration in fluidity and transportability caused by embedding of external additives in toner particles and deformation and peeling at the toner particle surface that occur when a toner is collected by a cleaning unit. CONSTITUTION: A toner for developing an electrostatic image comprises a toner particle to which particles of an external additive A having a number average particle diameter of from 7 nm to 200 nm and particles of an external additive B having a number average particle diameter of from 30 nm to 4000 nm have been externally added. The ratio of the number average particle diameter of the particles of the external additive B to the number average particle diameter of the particles of the external additive A is in a range of from 2 to 20. Thee particles of one of the external additive A or the external additive B being particles have a core material covered with an organic material containing hydrogen and nitrogen. The particles of the other one of the external additive A or the external additive B are SiO2 particles.
    • 目的:提供用于显影静电图像的调色剂,以抑制由于外部添加剂在调色剂颗粒中的嵌入而导致的流动性和输送性的劣化,以及当通过清洁单元收集调色剂时在调色剂颗粒表面处的变形和剥离。 构成:用于显影静电图像的调色剂包括调色剂颗粒,数均粒径为7nm至200nm的外部添加剂A的颗粒和数均粒径为30的外部添加剂B的颗粒 已经外加了nm至4000nm。 外部添加剂B的粒子的数均粒径与外部添加剂A的粒子的数均粒径的比例在2〜20的范围内。外部添加剂A的一种颗粒或 作为颗粒的外部添加剂B具有被含有氢和氮的有机材料覆盖的芯材料。 另外一种外部添加剂A或外部添加剂B的颗粒是SiO 2颗粒。
    • 13. 发明公开
    • 혼성 토너 및 그의 제조방법
    • 混合调色剂及其制备方法
    • KR1020090009657A
    • 2009-01-23
    • KR1020070073120
    • 2007-07-20
    • 삼성전자주식회사
    • 김인김상덕연경열
    • G03G9/08G03G9/113
    • G03G9/0825G03G9/081G03G9/09314G03G9/09342G03G9/09364G03G9/09378G03G9/09385G03G9/09392G03G2215/0604
    • A mixture toner, a method for preparing the mixture toner, and an image formation device using the mixture toner are provided to prevent the blocking of a toner and offset and to improve fixation and storage stability. A mixture toner comprises a hollow micropipe(4); a core which is inserted into the hollow micropipe; and an external additive layer which coates the hollow micropipe where the core is inserted. Preferably the core comprises 100 parts by weight of a polyester resin; 1-20 parts by weight of a wax; 0.1-10 parts by weight of a colorant; and 0.1-10 parts by weight of a charge control agent. Preferably the hollow micropipe comprises 5-500 parts by weight of a vinyl-based resin; and 0.1-10 parts by weight of a colorant. Preferably the external additive layer comprises 0.1-10 parts by weight of silica; 0.1-5 parts by weight of a metal oxide; and 0.1-10 parts by weight of a polymer bead.
    • 提供混合调色剂,混合调色剂的制备方法和使用该混合调色剂的图像形成装置,以防止调色剂的堵塞和偏移并改善固色和储存稳定性。 混合调色剂包括中空微管(4); 芯插入中空微管中; 以及将芯插入的中空微管涂覆的外部添加剂层。 优选地,芯包括100重量份的聚酯树脂; 1-20份重量的蜡; 0.1-10重量份的着色剂; 和0.1-10重量份的电荷控制剂。 优选地,中空微管包含5-500重量份的乙烯基类树脂; 和0.1-10重量份的着色剂。 优选地,外部添加剂层包含0.1-10重量份的二氧化硅; 0.1-5重量份的金属氧化物; 和0.1-10重量份的聚合物珠粒。
    • 18. 发明授权
    • 자성 토너
    • 자성토너
    • KR100435019B1
    • 2004-06-09
    • KR1020010045405
    • 2001-07-27
    • 캐논 가부시끼가이샤
    • 고모또,게이지다끼구찌,쯔요시찌바,다쯔히꼬마고메,미찌히사하시모또,아끼라가부라기,다께시야나세,에리꼬
    • G03G9/08
    • G03G9/08791G03G9/0821G03G9/0825G03G9/0827G03G9/083G03G9/08726
    • A magnetic toner capable of exhibiting stable chargeability regardless of environmental change is formed of magnetic toner particles each comprising at least a binder resin, an iron oxide and a sulfur-containing polymer, and inorganic fine powder blended with the magnetic toner particles. The magnetic toner is also provided with good developing performance and high transferability by satisfying a weight-average particle size (D4) of 3 - 10 mu m, an average circularity of at least 0.970, and a magnetization of 10 - 50 Am /kg (emu/g) at a magnetic field of 79.6 kA/m (1000 oersted). The magnetic toner is further characterized in that the magnetic toner particles retain carbon in an amount of A and iron in an amount of B at surfaces thereof as measured by X-ray photoelectron spectroscopy, satisfying: B/A
    • 无论环境变化如何,能够呈现稳定带电性的磁性调色剂由各自至少包含粘合剂树脂,氧化铁和含硫聚合物的磁性调色剂颗粒以及与磁性调色剂颗粒混合的无机细粉形成。 通过满足3-10μm的重均粒径(D4),至少0.970的平均圆形度和10-50Am 2的磁化强度,磁性调色剂还具有良好的显影性能和高转印性。 / kg(emu / g)在79.6kA / m(1000奥斯特)的磁场下测量。 磁性调色剂的进一步特征在于磁性调色剂颗粒在通过X射线光电子能谱法测量时在其表面处保留了A量的碳和B量的铁,满足:B / A < 0.001,并且磁性调色剂含有至少50%数量的满足关系D / C