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    • 2. 发明专利
    • Yellow toner
    • 黄色墨粉
    • JPS5957255A
    • 1984-04-02
    • JP16811482
    • 1982-09-27
    • Canon Inc
    • IMAI EIICHIURAWA MOTOO
    • G03G5/12G03G9/09G03G9/08
    • G03G9/091G03G5/12G03G9/0908G03G9/0914G03G9/0918
    • PURPOSE:To obtain a toner having good spectral reflection characteristics, good color mixing property, and high transparency, and superior characteristics of chargeability, durability, etc., by incorporating a specified resin, a specified compd. and/or a compd. classified in C.I. Disperse yellow 164. CONSTITUTION:A resin used as a toner constituent satisfies the following requirements: T1=100-150 deg.C, and ¦DELTAT¦=¦T1-T2¦=5-30 deg.C, where T1 is the temp. at which the molten resin viscosity becomes 10 cp, and T2 is the temp. at which that becomes 0.5X10 cp. The resin having such a temp.-melt viscosity characteristics sharply lowers viscosity when it is heated. A preferable toner resin is polystyrene, styrene-propylene copolymer, or the like styrene type resin, vinyl chloride resin, epoxy resin, silicone resin, etc., and not only a single resin but also a combination of resins may be used. Said specified compd. is represented by formula ( I ) in which R1 is lower alkyl; R2, R3 are each H or OH; R4 is H or lower alkyl; and R5 is H, acyl, or amino having a terminal acyl group.
    • 目的:通过加入指定的树脂,获得具有良好的光谱反射特性,良好的混色性,高透明性,优异的带电性,耐久性等特性的调色剂。 和/或一个compd 分类为C.I. 分散黄164.构成:用作调色剂组分的树脂满足以下要求:T1 = 100-150℃,| DELTAT| = | T1-T2 | = 5-30℃,其中T1为温度 。 熔融树脂粘度为10 5 cp,T2为温度。 其中该值为0.5×10 5 cp。 具有这种温度 - 熔体粘度特性的树脂在加热时会显着降低粘度。 优选的调色剂树脂是聚苯乙烯,苯乙烯 - 丙烯共聚物等苯乙烯类树脂,氯乙烯树脂,环氧树脂,硅酮树脂等,不仅可以使用单一树脂,也可以使用树脂的组合。 指定的compd 由式(I)表示,其中R 1是低级烷基; R2,R3各自为H或OH; R4是H或低级烷基; 并且R 5是H,酰基或具有末端酰基的氨基。
    • 5. 发明专利
    • Developer
    • 开发商
    • JPS59197049A
    • 1984-11-08
    • JP7169183
    • 1983-04-23
    • Canon Inc
    • URAWA MOTOOTAKENOUCHI MASANORISUEMATSU HIROYUKIIMAI EIICHI
    • G03G9/08G03G9/09G03G9/097H01L21/265
    • G03G9/0908G03G9/09G03G9/091G03G9/097
    • PURPOSE:To obtain a red developer stabilizing the extent of triboelectric charge among toner particles or between toner and carrier, making the distribution of the extent of triboelectric charge uniform, and capable of controlling the extent of electrostatic charge to that suitable for a developing system used, by adding a specified compound. CONSTITUTION:To a binding resin is added a compound represented by formula I (where each of X1 and X2 is CH3, OCH3, OC2H5, OC3H7 or group represented by formula II, III, IV, V or VI), e.g., a compound represented by formula VII. The resulting developer stabilizes the extent of triboelectric charge among toner particles or between toner and carrier, makes the distribution of the extent of triboelectric charge uniform, and can control the extent of electrostatic charge to that suitable for a developing system used. When development is carried out with the developer, a fogging phenomenon and the scattering of the toner at the peripheral part of a latent image are not caused, high image density is attained, and the halftone part is well reproduced. A red image having superior light resistance can be formed.
    • 目的:为了获得稳定调色剂颗粒之间或调色剂和载体之间的摩擦电荷程度的红色显影剂,使得摩擦电荷的程度分布均匀,并且能够将静电电荷的程度控制在适用于所用显影系统的程度 ,通过加入指定的化合物。 组成:向结合树脂中加入由式I表示的化合物(其中X 1和X 2各自为CH 3,OCH 3,OC 2 H 5,OC 3 H 7或由式II,III,IV,V或VI表示的基团),例如, 按公式VII。 所得到的显影剂稳定了调色剂颗粒之间或调色剂和载体之间的摩擦电荷的程度,使得摩擦电荷的程度分布均匀,并且可以将静电电荷的程度控制到适用于所用显影系统的程度。 当用显影剂进行显影时,不产生雾化现象和调色剂在潜像的周边部分的散射,可以获得高图像密度,并且半色调部分被良好地再现。 可以形成具有优异的耐光性的红色图像。
    • 6. 发明专利
    • Photoconductive toner
    • 光电池
    • JPS59113448A
    • 1984-06-30
    • JP22285482
    • 1982-12-21
    • Toshiba Corp
    • TOMURA SHINYAOKUYAMA TETSUOUEHARA TSUTOMU
    • G03G9/08G03G9/09
    • G03G9/0926G03G9/0908
    • PURPOSE:To obtain a sharp image low in fog and superior in resolution by incorporating a specified flavanthrene deriv. as a photoconductor. CONSTITUTION:A flavanthrene deriv. represented by th formula shown here is incorporated in a photoconductive toner used for xerography (PPC) system requiring no photosensitive body. In the formula, X is H, Br, CH3, C(CH3)3, or the like. A sharp image extremely high in contrast and free from fog can be obtained by forming an image by the combination system of such a toner and corona discharge.
    • 目的:通过掺入特定的黄嘌呤衍生物,获得雾度低,分辨率优越的清晰图像。 作为感光体。 构成:黄嘌呤衍生物。 由这里所示的公式表示的结合在用于不需要感光体的静电复印(PPC)系统的光电导调色剂中。 在该式中,X是H,Br,CH 3,C(CH 3)3等。 通过用这种调色剂和电晕放电的组合系统形成图像,可以获得对比度非常高且无雾的清晰图像。