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20 条记录 (耗时 0.017 秒)

    Toner, developer,image forming apparatus and image forming method
    1.
    发明公开
    Toner, developer,image forming apparatus and image forming method 有权
    TONER，TONERGELADENERBEHÄLTER，BILDERZEUGUNGSVORRICHTUNG UND VERFAHREN ZUR BILDERZEUGUNG

    公开(公告)号：EP2423755A1

    公开(公告)日：2012-02-29

    申请号：EP11189963.9

    申请日：2004-09-16

    申请人： Ricoh Company, Ltd.

    发明人： Nakayama, Shinya ,  Sugiura, Hideki ,  Emoto, Shigeru ,  Tomita, Masami ,  Honda, Takahiro ,  Yagi, Shinichiro ,  Suzuki, Tomomi ,  Yamada, Hiroshi ,  Nanya, Toshiki ,  Higuchi, Hiroto ,  Sasaki, Fumihiro ,  Mochizuki, Satoshi ,  Shimota, Naohito ,  Uchinokura, Osamu ,  Ichikawa, Tomoyuki ,  Awamura, Junichi ,  Iwamoto, Yasuaki ,  Asahina, Yasuo ,  Kotsugai, Akihiro ,  Ishii, Masayuki ,  Nakajima, Hisashi ,  Utsumi, Tomoko ,  Sakata, Koichi

    IPC分类号： G03G9/087 ,  G03G9/08

    CPC分类号： G03G9/0804 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08797

    摘要： An object of the invention is to provide: a toner such that the toner corresponds to a low-temperature fixing system, is excellent in both of offset resistance and anti-heat preservability and especially, even after a large number of copies are to be produced over a long period, the toner does not aggregate to each other, deterioration of flowability, transferability, and fixing ability is extremely rare, the toner makes it possible to form stable images on any transferring medium without transfer errors and with good reproducibility, and further does not contaminate fixing unit and images; or the like. Therefore, provided is a toner comprising:
    a toner material; and
    resin fine particles on a surface of the toner;
    wherein the toner has a glass-transition temperature, Tg, of from 30°C to 46°C, the resin fine particles have a glass-transition temperature, Tg, of from 50°C to 70°C, and
    wherein, when the toner has been masticated with Labo Plastomill, the toner has a 1/2 flown-out temperature of from 95°C to 120°C, and before the mastication of the toner, the toner has a 1/2 flown-out temperature of from 120°C to 145°C.

    摘要翻译： 本发明的目的是提供：使调色剂对应于低温定影系统的调色剂，在耐偏移性和耐热保存性方面都是优异的，特别是即使在制造大量的复印品之后 在长时间内，调色剂不会彼此聚集，流动性，转印性和定影能力的劣化极少，调色剂使得可以在任何转印介质上形成稳定的图像，而没有转印误差和良好的再现性，并且进一步 不会污染定影单元和图像; 或类似物。 因此，提供了一种调色剂，包括：调色剂材料; 和调色剂表面上的树脂细颗粒; 其中所述调色剂的玻璃化转变温度Tg为30℃至46℃，所述树脂细颗粒的玻璃化转变温度Tg为50℃至70℃，并且其中，当 调色剂已经用Labo Plastomill进行了咀嚼，调色剂具有95℃至120℃的1/2流出温度，并且在调色剂的咀嚼之前，调色剂具有1/2的流出温度 120°C至145°C。

    Toner preparation method and apparatus, and toner prepared thereby
    9.
    发明公开
    Toner preparation method and apparatus, and toner prepared thereby 审中-公开
    Tonerherstellungsverfahren，Apparat和Toner

    公开(公告)号：EP1992994A2

    公开(公告)日：2008-11-19

    申请号：EP08251696.4

    申请日：2008-05-14

    申请人： Ricoh Company, Ltd.

    发明人： Norikane, Yoshihiro ,  Ohtani, Shinji ,  Watanabe, Yohichiroh ,  Suzuki, Kazumi ,  Honda, Takahiro

    IPC分类号： G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/0804 ,  B01J2/04 ,  G03G9/0819

    摘要： A method of preparing a toner, including periodically dripping and discharging droplets of a toner constituent liquid comprising a resin and a colorant with a dripper comprising a thin film comprising plural nozzles configured to discharge the droplets, and an electromechanical converter configured to oscillate the thin film; and solidifying the droplets to form toner particles, wherein the nozzle has an aperture discharging the droplet, having a circular or an ellipsoidal cross-sectional shape and cross-sectional area smaller than a cross-sectional area of another aperture contacting the toner constituent liquid.

    摘要翻译： 一种制备调色剂的方法，包括用包括一个薄膜的滴液周期性地滴落包含树脂和着色剂的调色剂构成液体的液滴，该薄膜包括构成为排出液滴的多个喷嘴的薄膜;以及一个配置成使薄膜振荡的机电转换器 ; 并且使所述液滴固化以形成调色剂颗粒，其中所述喷嘴具有排出所述液滴的孔，所述孔具有圆形或椭圆形横截面形状，并且横截面积小于与所述调色剂构成液接触的另一孔的横截面面积。