Dry type developer for electrophotography
    1.
    发明授权
    Dry type developer for electrophotography 失效
    用于电子照相的干式显影剂

    公开(公告)号:US4980258A

    公开(公告)日:1990-12-25

    申请号:US436551

    申请日:1989-11-14

    IPC分类号: G03G9/09 G03G9/097

    摘要: The present invention relates to the positively chargeable black toner particles which comprise binder resins, carbonblack as a main colorant, quaternary anmonium salt of the following formula (I) as a charge control agent and .beta.-form Cu-phthalocyanine as a stabilizing agent for chargeability of toner particles without being affected by the change of environmental conditions. ##STR1## Wherein R.sub.1 is C.sub.1 -C.sub.8 alkyl or benzyl, R.sub.2 and R.sub.3 are each C.sub.1 -C.sub.18 alkyl, R is C.sub.1 -C.sub.118 alkyl or benzyl, X is hydroxy or amino, and Y is hydoroxy or hydrogen; (c) .beta.-form Cu-phthalocyanine; and (d) carbonblack.The present invention further relates to the two component dry-type developer composed by the improved above said positively chargeable toner particles and the carrier particles coated with silicone polylmers which have the strong durability without being changed to a supent carrier particles for a use of long time period.

    摘要翻译: 本发明涉及包含粘合剂树脂,炭黑作为主要着色剂的正电荷黑色调色剂颗粒,作为电荷控制剂的下式(I)的季铵盐和作为带电性的稳定剂的β-型Cu-酞菁 的调色剂颗粒,而不受环境条件的变化的影响。 (I)其中R1是C1-C8烷基或苄基,R2和R3各自是C1-C18烷基,R是C1-C118烷基或苄基,X是羟基或氨基,Y是羟基或氢; (c)β-型Cu-酞菁; 和(d)炭黑。 本发明还涉及由改进的上述可充正电的调色剂颗粒和涂覆有硅氧烷聚合物的载体颗粒组成的双组分干式显影剂,其具有强的耐久性而不会改变为长时间使用的载体颗粒 期。

    Dry type toner for electrophotography
    2.
    发明授权
    Dry type toner for electrophotography 失效
    用于电子照相的干式调色剂

    公开(公告)号:US5061588A

    公开(公告)日:1991-10-29

    申请号:US338599

    申请日:1989-04-14

    IPC分类号: G03G9/087

    CPC分类号: G03G9/08753 Y10S430/105

    摘要: A dry type toner for electrophotography is disclosed which comprises as the main components (a) a coloring agent; and (b) a polyol resin serving as a binder agent in an effective amount, the polyol resin being prepared by subjecting a bisphenol-type epoxy resin containing epoxy groups, which may contain secondary hydroxyl groups, to reaction steps (1), (2) and (3), or steps (2) and (3), in any sequential combination, until substantially no epoxy groups remain in the polyol resin, wherein the reaction step (1) comprises a step of causing the epoxy groups in the bisphenol-type epoxy resin to react with a primary amine; the reaction step (2) comprising a step of causing the epoxy groups to react with a compound containing one active hydrogen capable of reacting with the epoxy groups; and the reaction step (3) comprising a step of esterifying at least part of the secondary hydroxyl groups or hydroxyl groups produced in the bisphenol-type epoxy resin by reaction step (1) and/or reaction step (2) by use of an esterifying agent.

    摘要翻译: 公开了用于电子照相的干式调色剂,其包含作为主要组分(a)着色剂; 和(b)作为有效量的粘合剂的多元醇树脂,所述多元醇树脂通过将含有可以含有仲羟基的环氧基的双酚型环氧树脂进行反应步骤(1),(2) )和(3)或步骤(2)和(3),以任何顺序的组合,直到基本上没有环氧基保留在多元醇树脂中,其中反应步骤(1)包括使双酚 型环氧树脂与伯胺反应; 反应步骤(2)包括使环氧基与含有能够与环氧基反应的一个活性氢的化合物反应的步骤; 反应步骤(3)包括通过反应步骤(1)和/或反应步骤(2)通过使用酯化反应步骤(1)和/或反应步骤(2)酯化在双酚型环氧树脂中产生的至少一部分仲羟基或羟基的步骤 代理商

    Triboelectric charge application member for toner comprising copolymer
of fluoro-olefin monomer and unsaturated silicon monomer
    4.
    发明授权
    Triboelectric charge application member for toner comprising copolymer of fluoro-olefin monomer and unsaturated silicon monomer 失效
    用于包含氟烯烃单体和不饱和硅单体的共聚物的调色剂的摩擦电荷施加构件

    公开(公告)号:US4945022A

    公开(公告)日:1990-07-31

    申请号:US323359

    申请日:1989-03-14

    IPC分类号: G03G9/113 G03G15/08

    摘要: A triboelectric charge application member for imparting or applying electrostatic charge to a toner through the triboelectric charging thereof for developing electrostatic images with the charge toner to visible toner images. The triboelectric charge application member includes an overcoat layer comprising as the main component a polymer which comprises a fluoro-olefin compound and an unsaturated silicon compound as the monomer units of the polymer. The triboelectric charge application member may be carrier particles having the above overcoat layer and a toner transportation member having the overcoat layer, depending upon its application.

    摘要翻译: 一种摩擦电荷施加构件,用于通过其摩擦带电赋予调色剂静电电荷,用于将带有充电调色剂的静电图像显影成可见的调色剂图像。 摩擦带电施加构件包括外涂层,其包含作为主要组分的聚合物,其包含氟代烯烃化合物和不饱和硅化合物作为聚合物的单体单元。 根据其应用,摩擦电荷施加构件可以是具有上述外涂层的载体颗粒和具有外涂层的调色剂输送构件。

    Triboelectric charge application member for toner
    5.
    发明授权
    Triboelectric charge application member for toner 失效
    碳粉用摩擦电荷施加部件

    公开(公告)号:US4841331A

    公开(公告)日:1989-06-20

    申请号:US163694

    申请日:1988-03-03

    IPC分类号: G03G9/113 G03G15/08

    摘要: A triboelectric charge application member for imparting or applying electrostatic charge to a toner through the triboelectric charging thereof for developing electrostatic images with the charged toner to visible toner images. The triboelectric charge application member includes an overcoat layer comprising as the main component a polymer which comprises a fluoro-olefin compound and an unsaturated silicon compound as the monomer units of the polymer. The triboelectric charge application member may be carrier particles having the above overcoat layer and a toner transportation member having the overcoat layer, depending upon its application.

    摘要翻译: 一种摩擦电荷施加构件,用于通过其摩擦带电赋予调色剂静电荷,并将带电调色剂的静电图像显影成可见的调色剂图像。 摩擦带电施加构件包括外涂层,其包含作为主要组分的聚合物,其包含氟代烯烃化合物和不饱和硅化合物作为聚合物的单体单元。 根据其应用,摩擦电荷施加构件可以是具有上述外涂层的载体颗粒和具有外涂层的调色剂输送构件。

    IMAGE FORMATION METHOD
    6.
    发明申请
    IMAGE FORMATION METHOD 有权
    图像形成方法

    公开(公告)号:US20080227000A1

    公开(公告)日:2008-09-18

    申请号:US12047807

    申请日:2008-03-13

    IPC分类号: G03G13/04

    摘要: An image formation method including charging an image bearing member; irradiating the surface of the image bearing member to form a latent electrostatic image thereon; developing the latent electrostatic image with a two component developing agent including a carrier and a toner including a mother toner particle and an external additive by a development device including a stirring and transfer device for transferring and stirring the developing agent; transferring the developed image to a transfer medium; and fixing the developed image on the transfer medium, wherein the toner includes a polyol-based resin as a binder resin, the polyol based resin having multiple hydroxyl groups in a molecular chain thereof in which the ratio (EX/OH) of epoxy group (EX) to hydroxyl group (OH) is from 0.990 to 1.010, the stirring and transfer device satisfies the following relationship (I): 1.0×106≦α×β×γ≦16.0×106, wherein α represents the number of rotation per minute, β (mm) represents the pitch and γ (mm) represents the transfer path length of the stirring and transfer device, the temperature Tin (° C.) in the development device during stirring and transfer of the two component developing agent satisfies the following relationship (II): 30° C.

    摘要翻译: 一种图像形成方法,包括:对图像承载部件进行充电; 照射图像承载部件的表面以在其上形成静电潜像; 通过包括用于转移和搅拌显影剂的搅拌和转印装置的显影装置,用包括载体的二组分显影剂和包含母体调色剂颗粒和外部添加剂的调色剂显影静电潜像; 将显影的图像转印到转印介质上; 并将显影图像固定在转印介质上,其中调色剂包括作为粘合剂树脂的多元醇类树脂,其分子链中具有多个羟基的多元醇类树脂,其中环氧基(EX / OH) EX)至羟基(OH)的摩尔比为0.990至1.010,搅拌和转移装置满足以下关系式(I):1.0×10 6 <= alphaxbetaxgamma = 16.0×10 6 / SUP>,其中α表示每分钟的旋转数,β(mm)表示间距,γ(mm)表示搅拌和转移装置的转移路径长度,显影装置内的温度Tin(℃) 双组分显影剂的搅拌和转印满足以下关系式(II):30℃

    Image formation method
    8.
    发明授权
    Image formation method 有权
    图像形成方法

    公开(公告)号:US07939235B2

    公开(公告)日:2011-05-10

    申请号:US12047807

    申请日:2008-03-13

    IPC分类号: G03G13/20

    摘要: A toner includes a polyol-based resin having multiple hydroxyl groups in a molecular chain thereof in which a ratio of epoxy group to hydroxyl group is from 0.990 to 1.010. A stirring and transfer device satisfies 1000000≦α×β×γ≦16000000, wherein α represents a number of rotation per minute, β (mm) represents a pitch and γ (mm) represents a transfer path length of the stirring and transfer device. A temperature Tin (° C.) in a development device during stirring and transfer of a two component developing agent satisfies 3020 C.

    摘要翻译: 调色剂包括其分子链中具有多个羟基的多元醇基树脂,其中环氧基与羟基的比例为0.990至1.010。 搅拌转移装置满足1000000&nlE;α×&bgr;×γ&nlE; 16000000,其中α表示每分钟转数,&bgr; (mm)表示间距,γ(mm)表示搅拌转印装置的转印路径长度。 在双组分显影剂的搅拌和转印期间,显影装置中的温度Tin(℃)满足3020℃。