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    • 38. 发明授权
    • Toner
    • 爽肤水
    • US08741518B2
    • 2014-06-03
    • US13085356
    • 2011-04-12
    • Hideki KanekoShinya YachiKenichi NakayamaTakeshi KaburagiShiro Kuroki
    • Hideki KanekoShinya YachiKenichi NakayamaTakeshi KaburagiShiro Kuroki
    • G03G9/087
    • G03G9/0802G03G9/0821G03G9/08708G03G9/08711G03G9/08793G03G9/08795G03G9/08797
    • A toner includes toner particles each containing a binder resin, a colorant, and a carboxy-containing styrene-based resin, in which the toner particles are produced in an aqueous medium, each of the toner particles has a styrene-acrylic-based resin component content of 50.0% by mass or more, cyclohexane-insoluble matter A obtained by subjecting the toner to Soxhlet extraction with cyclohexane for 4 hours is 70.0% by mass or more, and cyclohexane-insoluble matter B obtained by subjecting the toner to Soxhlet extraction with cyclohexane for 24 hours is 40.0% by mass or less, and wherein when the z-average molecular weight and the weight-average molecular weight of tetrahydrofuran-soluble matter of the carboxy-containing styrene-based resin determined by gel permeation chromatography measurement are represented by Mz and Mw, respectively, Mz and Mw satisfy the following expressions: 10,000≦Mw≦30,000, and 1.62≦Mz/Mw≦5.00.
    • 调色剂包括各自含有粘合剂树脂,着色剂和含羧基的苯乙烯基树脂的调色剂颗粒,其中调色剂颗粒在水性介质中制备,每个调色剂颗粒具有苯乙烯 - 丙烯酸类树脂组分 含量为50.0质量%以上的环己烷不溶物质A为70.0质量%以上,环己烷不溶物质A为70.0质量%以上,通过将调色剂进行索格利特萃取而得到的环己烷不溶性物质A, 环己烷24小时为40.0质量%以下,其中,通过凝胶渗透色谱法测定的含羧基苯乙烯系树脂的四氢呋喃可溶物的平均分子量和重均分子量为 分别为Mz和Mw,Mz和Mw满足以下表达式:10,000≦̸ Mw≦̸ 30,000和1.62≦̸ Mz / Mw≦̸ 5.00。
    • 39. 发明申请
    • TONER
    • 托尼
    • US20110256477A1
    • 2011-10-20
    • US13085356
    • 2011-04-12
    • Hideki KanekoShinya YachiKenichi NakayamaTakeshi KaburagiShiro Kuroki
    • Hideki KanekoShinya YachiKenichi NakayamaTakeshi KaburagiShiro Kuroki
    • G03G9/08
    • G03G9/0802G03G9/0821G03G9/08708G03G9/08711G03G9/08793G03G9/08795G03G9/08797
    • A toner includes toner particles each containing a binder resin, a colorant, and a carboxy-containing styrene-based resin, in which the toner particles are produced in an aqueous medium, each of the toner particles has a styrene-acrylic-based resin component content of 50.0% by mass or more, cyclohexane-insoluble matter A obtained by subjecting the toner to Soxhlet extraction with cyclohexane for 4 hours is 70.0% by mass or more, and cyclohexane-insoluble matter B obtained by subjecting the toner to Soxhlet extraction with cyclohexane for 24 hours is 40.0% by mass or less, and wherein when the z-average molecular weight and the weight-average molecular weight of tetrahydrofuran-soluble matter of the carboxy-containing styrene-based resin determined by gel permeation chromatography measurement are represented by Mz and Mw, respectively, Mz and Mw satisfy the following expressions: 10,000≦Mw≦30,000, and 1.62≦Mz/Mw≦5.00.
    • 调色剂包括各自含有粘合剂树脂,着色剂和含羧基的苯乙烯基树脂的调色剂颗粒,其中调色剂颗粒在水性介质中制备,每个调色剂颗粒具有苯乙烯 - 丙烯酸类树脂组分 含量为50.0质量%以上的环己烷不溶物质A为70.0质量%以上,环己烷不溶物质A为70.0质量%以上,通过将调色剂进行索格利特萃取而得到的环己烷不溶性物质A, 环己烷24小时为40.0质量%以下,其中,通过凝胶渗透色谱法测定的含羧基苯乙烯系树脂的四氢呋喃可溶物的平均分子量和重均分子量为 分别为Mz和Mw,Mz和Mw满足以下表达式:10,000≦̸ Mw≦̸ 30,000和1.62≦̸ Mz / Mw≦̸ 5.00。
    • 40. 发明授权
    • Toner and image forming method
    • 调色剂和成像方法
    • US07704661B2
    • 2010-04-27
    • US12563533
    • 2009-09-21
    • Naotaka IkedaShinya YachiKatsuyuki NonakaEmi WatanabeKoji AbeNobuhisa Abe
    • Naotaka IkedaShinya YachiKatsuyuki NonakaEmi WatanabeKoji AbeNobuhisa Abe
    • G03G9/08
    • G03G9/09725G03G9/0806G03G9/08711G03G9/09716
    • A toner is provided which has toner particles and a fine silica powder mixed by external addition to the toner particles. The toner has a weight average particle diameter of 4.0 to 9.0 μm. The fine silica powder is subjected to hydrophobic treatment with dimethylsilicone oil, and has, in particle size distribution based on volume, a peak at which cumulative frequency is largest, in the measurement range of 0.02 μm to 1,000.00 μm; the cumulative frequency of 0.10 μm to less than 1.00 μm being 7.0% or less, and, the fine silica powder fulfills the following conditions: 1) A+B≧93.0; 2) 0.45≦A/B≦6.00; and 3) the value of [(carbon content of the treated fine silica powder)/(BET specific surface area of fine silica powder before hydrophobic treatment)] is 0.030 or more to 0.055 or less.
    • 提供了一种调色剂,其具有通过外部添加到调色剂颗粒而混合的调色剂颗粒和二氧化硅微粉。 调色剂的重均粒径为4.0〜9.0μm。 用二甲基硅油对二氧化硅粉末进行疏水处理,在0.02〜1000.00μm的测定范围内,以体积分布为基准的累积频率最大的峰值, 0.10μm至小于1.00μm的累积频率为7.0%以下,二氧化硅微粉满足以下条件:1)A +B≥93.0; 2)0.45≦̸ A / B≦̸ 6.00; 3)[(二氧化硅微粉处理的碳含量)/(疏水处理前的二氧化硅微粉末的BET比表面积)]为0.030以上至0.055以下。