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    • 9. 发明授权
    • Toner processes
    • 墨粉处理
    • US06190820B1
    • 2001-02-20
    • US09657273
    • 2000-09-07
    • Raj D. PatelMichael A. HopperWalter Mychajlowskij
    • Raj D. PatelMichael A. HopperWalter Mychajlowskij
    • G03G9087
    • G03G9/0804G03G9/0806
    • A process for the preparation of toner by, for example (i) generating by emulsion polymerization in the presence of an initiator a first resin latex emulsion; (ii) generating in the presence of an oil soluble initiator by solution polymerization a second resin latex; (iii) mixing (ii) with a colorant; (iiib) mixing the resin latex emulsion of (i) with the resin/colorant mixture of (iii) to provide a blend of a resin and colorant; (iv) adding an aqueous inorganic cationic coagulant solution of a metal salt and optionally an organic cationic coagulant to the resin/colorant blend of (iiib); (v) heating at a temperature of from about 5° C. to about 10° C. below the resin Tg of (i), to form aggregate particles; (vi) adjusting the pH of (v) by the addition of a base; (vii) heating the aggregate particles of (v) at temperatures of from about 5° C. to about 50° C. above the Tg of the resin of (i), followed by the addition of an acid.
    • 通过例如(i)在引发剂存在下通过乳液聚合产生第一树脂胶乳乳液来制备调色剂的方法;(ii)通过溶解聚合在油溶性引发剂的存在下产生第二树脂胶乳; (iii)将(ii)与着色剂混合;(iiib)将(i)的树脂胶乳乳液与(iii)的树脂/着色剂混合物混合以提供树脂和着色剂的共混物;(iv) (iiib)的树脂/着色剂共混物中的金属盐和任选的有机阳离子凝结剂的阳离子凝结剂溶液;(v)在温度为约5℃至约10℃的温度下加热至( i),以形成聚集体颗粒;(vi)通过加入碱来调节(v)的pH;(vii)在约5℃至约50℃的温度下加热(v)的聚集体颗粒 高于(i)的树脂的Tg,然后加入酸。