Toner compositions
    64.
    发明授权
    Toner compositions 有权
    调色剂组合物

    公开(公告)号:US07300734B2

    公开(公告)日:2007-11-27

    申请号:US11003256

    申请日:2004-12-03

    IPC分类号: G03G9/08

    摘要: A toner composition comprising a binder, colorant, and a charge control surface additive mixture comprising a mixture of a first titanium dioxide possessing a first conductivity and a second titanium dioxide possessing a second conductivity and which second conductivity is dissimilar than the first conductivity; wherein the mixture of the first titanium dioxide and the second titanium dioxide is selected in a ratio sufficient to impart a selected triboelectric charging characteristic to the toner composition.

    摘要翻译: 一种调色剂组合物,其包含粘合剂,着色剂和电荷控制表面添加剂混合物,其包含具有第一导电性的第一二氧化钛和具有第二导电性并且第二导电性与第一导电性不相同的第二二氧化钛的混合物; 其中所述第一二氧化钛和所述第二二氧化钛的混合物以足以赋予所述调色剂组合物所选的摩擦带电特性的比例来选择。

    Polymerization processes
    70.
    发明授权
    Polymerization processes 失效
    聚合工艺

    公开(公告)号:US5530079A

    公开(公告)日:1996-06-25

    申请号:US367636

    申请日:1995-01-03

    IPC分类号: C08F2/38 C08F10/00

    CPC分类号: C08F10/00

    摘要: A polymerization process comprising: heating a mixture comprised of a free radical initiator, a stable free radical agent, at least one polymerizable monomer compound, and optionally a solvent, to form a polymer with a high monomer to polymer conversion and a narrow polydispersity, wherein said polymer is comprised of a covalently bound free radical initiator fragment at one end and a covalently bound stable free radical compound at the other end of the polymer, and wherein said stable free radical agent has high thermal, acidic, and photochemical stability.

    摘要翻译: 一种聚合方法,包括:加热由自由基引发剂,稳定的自由基试剂,至少一种可聚合单体化合物和任选的溶剂组成的混合物,以形成具有高单体与聚合物转化率和窄的多分散性的聚合物,其中 所述聚合物由一端的共价结合的自由基引发剂片段和在聚合物的另一端共价结合的稳定的自由基化合物组成,并且其中所述稳定的自由基试剂具有高的热,酸和光化学稳定性。