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    • 3. 发明授权
    • Positive electrified charge control agent and positive electrified toner for developing electrostatic image
    • 正电充电控制剂和用于静电图像显影的正极带电调色剂
    • US07875412B2
    • 2011-01-25
    • US11730446
    • 2007-04-02
    • Osamu YamateMasashi Yasumatsu
    • Osamu YamateMasashi Yasumatsu
    • G03G9/097
    • G03G9/09741C07F7/045G03G9/09758
    • A positive electrified charge control agent comprising a silicon complex compound of an effective component represented by the following chemical formula (I) and/or chemical formula (II) (in the formula (I) and formula (II), [D-(SO3)2]2− is a bivalent anion of an organic acid having at least two sulfonic acid groups, p is 0 or 1, B is a bonding line when p is 0, B is a carbon atom or a nitrogen atom when p is 1, J is a carbon atom or a nitrogen atom, A is an organic group which forms a ring with (B)p and J, both of R are same or different to each other and are an organic group, and these both of R are independent or form a heterocyclic ring). A positive electrified toner for developing an electrostatic image comprises the positive electrified charge control agent. A charge control method of the positive electrified toner for developing the electrostatic image comprises a step for making the toner positively electrified by friction.
    • 一种正电荷电荷控制剂,其包含由以下化学式(I)和/或化学式(II)(式(I)和式(II)表示的有效成分的硅配位化合物,[D- )2] 2-是具有至少两个磺酸基团的有机酸的二价阴离子,p为0或1,B为p为0时的键合线,当p为1时,B为碳原子或氮原子 ,J为碳原子或氮原子,A为与(B)p和J形成环的有机基团,R均相同或不同,为有机基团,R均为 独立或形成杂环)。 用于显影静电图像的正极带电调色剂包括正电荷电荷控制剂。 用于显影静电图像的正带电调色剂的电荷控制方法包括通过摩擦使调色剂带正电的步骤。
    • 6. 发明申请
    • METHOD FOR PRODUCING alpha-FORM TITANYLPHTHALOCYANINE AND ELECTROPHOTOGRAPHIC PHOTORECEPTOR COMPRISING alpha-FORM TITANYLPHTHALOCYANINE
    • 用于生产甲状腺氨基磷酰胺的方法和包含α-型甲基苯甲酰胺的电子照相光电子
    • US20090042116A1
    • 2009-02-12
    • US12177738
    • 2008-07-22
    • Kenji TakakiYasuhiro Yamasaki
    • Kenji TakakiYasuhiro Yamasaki
    • C09B47/04G03G5/06
    • G03G5/0696C07F7/003
    • The present invention relates to a method for producing an α-form titanylphthalocyanine represented by the formula (1): which has a peak at a Bragg angle (2θ±0.2°) in X-ray diffraction spectrum with CuK α-ray: 7.5°, 10.2°, 12.6°, 13.2°, 15.1°, 16.3°, 17.3°, 18.3°, 22.5°, 24.2°, 25.3° and 28.6°, wherein the method includes steps of: (I) subjecting a crude titanylphthalocyanine having an α-form polymorph to an acid pasting treatment, and then filtering and washing with water to give a water-containing wet cake, and then subjecting the wet cake to drying and crushing to give a low crystalline titanylphthalocyanine; (II) adding a dispersing aid to the low crystalline titanylphthalocyanine and dispersing at room temperature, in DMF, to prepare a polymorph; and (III) filtering, washing, and drying under a reduced pressure. The present invention consists in a provision of a method for conveniently producing the α-form titanylphthalocyanine having a peak at a Bragg angle (2θ±0.2°) in X-ray diffraction spectrum with CuK α-ray: 7.5°, 10.2°, 12.6°, 13.2°, 15.1°, 16.3°, 17.3°, 18.3°, 22.5°, 24.2°, 25.3° and 28.6°, wherein a crude titanylphthalocyanine having an α-form polymorph is used as a starting material, as well as a provision of an electrophotographic photoreceptor comprising a charge generating material of the α-form titanylphthalocyanine which has excellent photosensitive characteristics.
    • 本发明涉及由式(1)表示的α型钛氧基酞菁的制造方法:在具有CuKα射线的X射线衍射光谱中具有布拉格角(2θ±0.2°)的峰值:7.5° ,10.2°,12.6°,13.2°,15.1°,16.3°,17.3°,18.3°,22.5°,24.2°,25.3°和28.6°,其中所述方法包括以下步骤:(I)使粗钛酸酞菁具有 然后过滤并用水洗涤得到含水湿滤饼,然后将湿滤饼干燥并粉碎,得到低结晶的钛氧基酞菁; (II)向低结晶性钛氧基酞菁中加入分散助剂,并在室温下在DMF中分散,制备多晶型物; 和(III)在减压下过滤,洗涤和干燥。 本发明在于提供一种方便地生产在具有CuKα射线的X射线衍射光谱中在布拉格角(2θ±0.2°)具有峰值的α型钛氧基酞菁:7.5°,10.2°,12.6° °,13.2°,15.1°,16.3°,17.3°,18.3°,22.5°,24.2°,25.3°和28.6°,其中使用具有α型多晶型物的粗钛酞菁作为原料, 提供一种电子照相感光体,其包含具有优异光敏特性的α-形式的钛氧基酞菁的电荷产生材料。
    • 10. 发明授权
    • Modified carbon black carbon black dispersion liquid and water base ink
    • 改性炭黑炭黑分散液和水基油墨
    • US07232480B2
    • 2007-06-19
    • US10504218
    • 2003-12-26
    • Masayuki MomoseMiharu KanayaSohko ItohTatsuya Yagyu
    • Masayuki MomoseMiharu KanayaSohko ItohTatsuya Yagyu
    • C09D11/00
    • B82Y30/00C01P2004/64C01P2006/12C01P2006/19C09C1/565C09D11/17C09D11/18C09D11/324Y10T428/24802
    • There are provided a carbon black according to which long-term stable storage is possible, clogging is not prone to occurring, and the OD value is high and hence printing with a deep black color is possible, or a carbon black that can be used in a water-based ink that is used in ink jet printer printing, that has low settleability and can thus be stored stably for a long period, for which clogging is not prone to occurring, and for which the reflection density is high and hence printing with a high printing density and a deep black color is possible, a carbon black dispersion having the carbon black dispersed therein, and a water-based ink containing the carbon black. An embodiment of a modified carbon black of the present invention is a modified carbon black obtained by carrying out oxidation treatment on a carbon black having a primary particle diameter of 11 to 18 nm, a BET specific surface area of at least 180 m2/g, a DBP oil absorption of at least 180 mL/100 g, and a value of the BET specific surface area (m2/g) divided by the DBP oil absorption (mL/100 g) of 0.75 to 1.3, and is characterized in that at least lactone groups and carboxyl groups are introduced onto the surface thereof, and the ratio of the mean particle diameter to the primary particle diameter is at least 8.5. Moreover, a carbon black dispersion and a water-based ink of the present invention contain this modified carbon black.
    • 提供了炭黑,根据该炭黑长期稳定的储存是可能的,堵塞不容易发生,并且OD值高,因此可以深黑色印刷,或可以用于黑色的炭黑 用于喷墨打印机印刷中的水性油墨,其具有低沉降性并且因此可以长期稳定地储存,其中不易发生堵塞,并且反射密度高,因此用 可以具有高的印刷密度和深黑色,分散有炭黑的炭黑分散体和含有炭黑的水性油墨。 本发明的改性炭黑的一个实施方案是通过对一次粒径为11〜18nm,BET比表面积为180μm以上的炭黑进行氧化处理得到的改性炭黑, 2μg/ g,DBP吸油量至少为180mL / 100g,BET比表面积值(m 2 SUP / g / g)除以DBP吸油量( mL / 100g)为0.75〜1.3,其特征在于,至少将内酯基和羧基引入其表面,平均粒径与一次粒径的比例为8.5以上。 此外,本发明的炭黑分散体和水性油墨含有该改性炭黑。