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    • 1. 发明授权
    • Method for producing toner
    • 调色剂的制造方法
    • US08263305B2
    • 2012-09-11
    • US12750077
    • 2010-03-30
    • Jun IkamiMasateru KawamuraYasutomo Imai
    • Jun IkamiMasateru KawamuraYasutomo Imai
    • G03G9/00
    • G03G9/0804G03G9/08755
    • Provided is a method for producing a toner having excellent particle size distribution and storage stability. The method set forth in the present specification is a method for producing a toner by aggregating and fusing base microparticles whose main component is a binder resin including anionic groups, wherein an aggregate is produced by aggregating the base microparticles in a base microparticle suspension, in a presence of a non-ionic surfactant such that a surface tension of an aqueous solution thereof is not lower than 45 mN/m at any concentration at or above a critical micelle concentration, and the toner is produced through fusion of the aggregate. According to this method, drops in a glass transition temperature of the toner can be curbed, and the toner having excellent storage stability and good particle size distribution can be obtained.
    • 提供了一种生产具有优异的粒度分布和储存稳定性的调色剂的方法。 本说明书中提出的方法是通过将主要成分为包括阴离子基团的粘合剂树脂的基础微粒聚集和熔合制备调色剂的方法,其中通过将基础微粒悬浮液中的基础微粒聚集而制备聚集体, 存在非离子表面活性剂,使得其水溶液的表面张力在临界胶束浓度或高于临界胶束浓度的任何浓度下不低于45mN / m,并且调色剂通过聚集体的熔合而产生。 根据该方法,可以抑制调色剂的玻璃化转变温度的降低,并且可以获得具有优异的储存稳定性和良好的粒度分布的调色剂。
    • 2. 发明授权
    • Method for producing positive charging toner
    • 正电充电调色剂的制造方法
    • US08119319B2
    • 2012-02-21
    • US12415228
    • 2009-03-31
    • Masateru KawamuraYasutomo Imai
    • Masateru KawamuraYasutomo Imai
    • G03G9/08
    • G03G9/08755G03G9/0804G03G9/097G03G9/09741
    • The present teaching provides a method for producing a positive charging toner that can exhibit stable charge characteristics. According to the present teaching, a positive charging toner is produced by preparing a base particle suspension having a conductivity not higher than 70 μS/cm and comprising base particles that are obtained by mixing and emulsifying an aqueous medium and a resin solution containing the polyester resin; producing toner base particles by mixing the base particle suspension with a charge control resin microparticle suspension containing charge control resin microparticles; causing the charge control resin microparticles to adhere to the surfaces of the base particles; and washing the toner base particles.
    • 本教导提供了一种可以显示出稳定的电荷特性的正电荷调色剂的制造方法。 根据本教导,通过制备电导率不高于70μS/ cm的基础颗粒悬浮液制备正极性充电调色剂,并且包含通过混合并乳化含水介质和含有聚酯树脂的树脂溶液获得的基础颗粒 ; 通过将基础颗粒悬浮液与含有电荷控制树脂微粒的电荷控制树脂微粒悬浮液混合来生产调色剂基础颗粒; 导致电荷控制树脂微粒附着在基体颗粒的表面上; 并洗涤调色剂基础颗粒。
    • 3. 发明申请
    • Method for Producing Positive Charging Toner
    • 生产正电荷调色剂的方法
    • US20090246681A1
    • 2009-10-01
    • US12415228
    • 2009-03-31
    • Masateru KAWAMURAYasutomo Imai
    • Masateru KAWAMURAYasutomo Imai
    • G03G5/00
    • G03G9/08755G03G9/0804G03G9/097G03G9/09741
    • The present teaching provides a method for producing a positive charging toner that can exhibit stable charge characteristics. According to the present teaching, a positive charging toner is produced by preparing a base particle suspension having a conductivity not higher than 70 μS/cm and comprising base particles that are obtained by mixing and emulsifying an aqueous medium and a resin solution containing the polyester resin; producing toner base particles by mixing the base particle suspension with a charge control resin microparticle suspension containing charge control resin microparticles; causing the charge control resin microparticles to adhere to the surfaces of the base particles; and washing the toner base particles.
    • 本教导提供了一种可以显示出稳定的电荷特性的正电荷调色剂的制造方法。 根据本教导,通过制备导电率不高于70μS/ cm的基础颗粒悬浮液并且包含通过混合并乳化水性介质而获得的基础颗粒和含有聚酯树脂的树脂溶液来制备正电荷调色剂 ; 通过将基础颗粒悬浮液与含有电荷控制树脂微粒的电荷控制树脂微粒悬浮液混合来生产调色剂基础颗粒; 导致电荷控制树脂微粒附着在基体颗粒的表面上; 并洗涤调色剂基础颗粒。