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    • 28. 发明申请
    • Silicone wax
    • 硅胶蜡
    • US20070004891A1
    • 2007-01-04
    • US10556578
    • 2003-05-12
    • Shoji Ichinohe
    • Shoji Ichinohe
    • C08G77/06C08G77/14
    • C08G77/38C08G77/14G03G9/08773G03G9/08782
    • A silicone wax represented by the following formula (1), wherein R1 is a group selected from the group consisting of alkyl groups having 1 to 20 carbon atoms, alicyclic groups, aryl groups, aralkyl groups and fluorinated alkyl groups; R2 is a group having a pentaerythritol polybehenate residue represented by the following formula (2), (CH2OCOC21H43)mC(CH2O—X—)4−m  (2)wherein 1≦m
    • 由下式(1)表示的硅蜡,其中R 1是选自具有1至20个碳原子的烷基,脂环基,芳基,芳烷基和氟化的 烷基; R 2是具有由下式(2)表示的季戊四醇聚山梨醇酯残基的基团,<?in-line-formula description =“In-line Formulas”end =“lead”→(CH C 2 CH 2 CH 2 CH 2 CH 2 CH 2(CH 2 CH 2) (2)<?in-line-formula description =“In-line Formulas”end =“tail”?>其中1 <= m <4或具有二季戊四醇聚山梨醇酯残基的基团 通过下面的公式(3),<?in-line-formula description =“In-line Formulas”end =“lead”?> O(CH 2 C 2)2 其中1 <= n <6,-X-在 式(2)和(3)是以下部分中的任何一个:-R 3 - , - SO 4 - ,其中R 3, 是C 3 -C 8亚烷基或亚环烷基,R 4是C 4 -C 4亚烷基, 脂族或脂环族基团 具有至少一个选自羧基,羰氧基和羟基的基团,p,q,r和s各自为0≤p<= 200,0 <= q <= 200,0 <= r <= 3,0 <= s <= 3,条件是0 <= p + q <= 200,1 <= q + r + s。
    • 30. 发明授权
    • External additive for electrostatically charged latent image developing toner
    • 用于静电充电潜像显影调色剂的外用添加剂
    • US06316155B1
    • 2001-11-13
    • US09524907
    • 2000-03-13
    • Muneo KudoMasaki TanakaYoshiteru SakatsumeShoji IchinoheMitsuo Asai
    • Muneo KudoMasaki TanakaYoshiteru SakatsumeShoji IchinoheMitsuo Asai
    • G03G908
    • C09C1/3081C01P2004/32C01P2004/62G03G9/09725
    • An external additive for electrostatically charged latent image developing toner is provied. The additive includes spherical hydrophobic fine silica particles having primary particles having a particle diameter of from 0.01 to 5 &mgr;m, which fine silica particles fulfill the following conditions (i) and (ii): (i) when an organic compound which is liquid at room temperature and has a dielectric constant of from 1 to 40 F/m and fine silica particles are mixed in a weight ratio of 5:1 and shaken, the fine silica particles disperse uniformly in the organic compound; and (ii) the quantity of primary particles remaining as primary particles when methanol is evaporated under heating by means of an evaporator from a dispersion prepared by dispersing the fine silica particles in methanol and thereafter the particles are held at a temperature of 100° C. for 2 hours, represents at least 20% of the quantity of primary particles originally present. The external additive does not react or has no interaction with an organic photoreceptor and therefore change in quality does not occur or the photoreceptor is not scraped. Furthermore, it has a good flowability and therefore adhesion of a toner to the photoreceptor does not occur.
    • 证明了静电充电潜像显影调色剂的外用添加剂。 添加剂包括具有粒径为0.01〜5μm的一次粒子的球状疏水性细二氧化硅粒子,二氧化硅微粒满足以下条件(i)和(ii):(i)当室内为液体的有机化合物时 介电常数为1〜40F / m,二氧化硅微粒以5:1的重量比混合并摇动,二氧化硅微粒分散在有机化合物中; 和(ii)当通过蒸发器在加热下从通过将二氧化硅微粒分散在甲醇中制备的分散体蒸发而蒸发甲醇时的初级颗粒的量,然后将颗粒保持在100℃的温度。 2小时,表示原始存在的初级粒子的量的至少20%。 外部添加剂不与有机感光体反应或没有相互作用,因此不会发生质量变化或感光体不被刮擦。 此外,它具有良好的流动性,因此不会发生调色剂对感光体的粘附。