Electrophotographic toner composition
    1.
    发明授权
    Electrophotographic toner composition 失效
    电子照相色调剂组成

    公开(公告)号:US5320925A

    公开(公告)日:1994-06-14

    申请号:US879287

    申请日:1992-05-07

    IPC分类号: G03G9/08 G03G9/097

    CPC分类号: G03G9/0819 G03G9/09716

    摘要: An electrophotographic toner composition comprising (A) toner particles with an average particle diameter of 9 .mu.m or less comprising at least a binder resin and a colorant, and (B) an additive, wherein the additive is a fine metal oxide powder surface coated with at least one agent for imparting hydrophobic property selected from the group consisting of the following formulae (1), (2) and (3):R.sub.1 Si(X).sub.3R.sub.1 R.sub.2 Si(X).sub.2R.sub.1 R.sub.2 R.sub.3 Si(X).sub.1wherein R.sub.1 represents a substituted or unsubstituted alkyl group having a molecular weight of 113 or more, R.sub.2 and R.sub.3 each represents hydrogen, an alkyl group or an allyl group, and X represents chlorine, an alkoxy group or an acetoxy group. The toner composition causes no impaction to a carrier and no adhesion of the toner particles to a photoreceptor, and can form stable, sufficient images for a long time.

    摘要翻译: 一种电子照相调色剂组合物,其包含(A)平均粒径为9μm或更小的调色剂颗粒至少包含粘合剂树脂和着色剂,和(B)添加剂,其中所述添加剂是涂覆有金属氧化物粉末表面的金属表面 至少一种赋予选自下式(1),(2)和(3)的疏水性的试剂:R1Si(X)3 R1R2Si(X)2 R1R2R3Si(X)1其中R1表示取代或 未取代的分子量为113以上的烷基,R2和R3各自表示氢,烷基或烯丙基,X表示氯,烷氧基或乙酰氧基。 调色剂组合物不会对载体造成冲击,并且不会使调色剂颗粒粘附到感光体上,并且可以长时间形成稳定的足够的图像。

    Method for fixing full color toner images
    3.
    发明授权
    Method for fixing full color toner images 失效
    固定全彩色调色剂图像的方法

    公开(公告)号:US5250996A

    公开(公告)日:1993-10-05

    申请号:US882136

    申请日:1992-05-13

    摘要: A method for fixing a full color toner image by inserting a transfer medium to which a toner image is transferred, between a pair of rolls of a fixing apparatus, and pressing the medium therebetween, wherein the toner image is formed of a full color toner prepared by dispersing a colorant into a polyester resin containing a diol component represented by the following general formula (I) as a constituent and having a softening point of 100.degree. to 120.degree. C., as measured by a ring and ball method, a glass transition temperature of 55.degree. C. or more, a Gardner color scale of 2 or less and a haze value of 15 or less, and the fixing operation is conducted while supplying a functional group-containing organopolysiloxane having a viscosity of 10 to 100,000 cs at 25.degree. C. to a roll in contact with the toner image, whereby the full color toner image can be stably fixed without wrapping of the transfer medium around the roll and offset, and the fixed image having good image quality can be obtained: ##STR1## wherein R represents an ethylene group or a propylene group, each of x and y is an integer of 1 or more, and x+y is 2 to 6.

    摘要翻译: 一种通过将定影设备的一对辊之间插入转印有调色剂图像的转印介质并在其间按压介质来固定全色调色剂图像的方法,其中调色剂图像由全色调色剂形成 通过将着色剂分散在含有由以下通式(I)表示的二醇组分的聚酯树脂中作为组分,并且通过环球法测量的软化点为100-120℃,玻璃化转变 温度为55℃以上,Gardner色标为2以下,雾度值为15以下,进行定影操作,同时在25℃下提供粘度为10〜100,000cs的含官能团的有机聚硅氧烷 使其与调色剂图像接触,从而可以稳定地固定全色调色剂图像,而不会在辊周围缠绕转印介质并且偏移,并且可以获得具有良好图像质量的固定图像 (I)其中R表示亚乙基或亚丙基,x和y各自为1以上的整数,x + y为2〜6。

    Toner composition for electrophotography
    6.
    发明授权
    Toner composition for electrophotography 失效
    电子照相用调色剂组合物

    公开(公告)号:US5705303A

    公开(公告)日:1998-01-06

    申请号:US616760

    申请日:1996-03-15

    IPC分类号: G03G9/087 G03G9/08 G03G9/097

    CPC分类号: G03G9/09725 G03G9/09716

    摘要: A toner composition for electrophotography comprising toner particles comprising a binder and a colorant and an additive, wherein the additive is crystalline titanium dioxide fine particles which have been treated with a coupling agent and which have a specific surface area of 60 to 100 m.sup.2 /g and a Karl Fischer moisture content of not more than 5% by weight. Compounds represented by formulae (I), (II) or (III) are used as the coupling agent: R.sup.1 Si(X).sub.3 (I) R.sup.1' R.sup.2 Si(X).sub.2 (II) R.sup.1' R.sup.2 R.sup.3 SiX (III) wherein R.sup.1 represents an alkyl group having 9 to 20 carbon atoms; R.sup.1' represents an alkyl group having 1 to 20 carbon atoms; R.sup.2 and R.sup.3 each represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or an aryl group having 6 to 30 carbon atoms; and X represents a chlorine atom, an alkoxy group having 1 to 10 carbon atoms or an acetoxy-group having 3 to 5 carbon atoms.

    摘要翻译: 一种电子照相用调色剂组合物,其包括含有粘合剂和着色剂和添加剂的调色剂颗粒,其中所述添加剂是已经用偶联剂处理并具有60-100m 2 / g比表面积的结晶二氧化钛细颗粒, 卡尔费休水分含量不超过5%重量。 由式(I),(II)或(III)表示的化合物用作偶联剂:R1Si(X)3(I)R1'R2Si(X)2(II)R1'R2R3SiX(Ⅲ)其中R1表示 具有9至20个碳原子的烷基; R1'表示碳原子数1〜20的烷基, R2和R3各自表示氢原子,碳原子数1〜20的烷基或碳原子数6〜30的芳基。 X表示氯原子,碳原子数1〜10的烷氧基或碳原子数3〜5的乙酰氧基。