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    PROCESS FOR PRODUCING TONER FOR DEVELOPMENT OF ELECTROSTATIC IMAGES
    2.
    发明公开
    PROCESS FOR PRODUCING TONER FOR DEVELOPMENT OF ELECTROSTATIC IMAGES 审中-公开
    用于生产墨粉静电显像

    公开(公告)号：EP3155484A1

    公开(公告)日：2017-04-19

    申请号：EP15736056.1

    申请日：2015-06-10

    Applicant: Kao Corporation

    Inventor： MURATA, Shoichi ,  YOSHIDA, Tomohide ,  HAYASHI, Hiroto ,  SHIBATA, Motomu

    IPC: G03G9/08 ,  G03G9/087 ,  G03G9/093

    CPC classification number: G03G9/0806 ,  G03G9/0804 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08786 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0918 ,  G03G9/09328 ,  G03G9/09364 ,  G03G9/09371 ,  G03G9/09378 ,  G03G9/09392

    Abstract: The present invention relates to a process for producing a toner for development of electrostatic images, including the following steps (1) to (3): Step (1): aggregating resin particles (X) containing a composite resin that contains a segment constituted of a polyester resin (a) obtained by polycondensing an alcohol component containing 80 mol % or more of a propyleneoxide adduct of bisphenol A and a polycarboxylic acid component, and a vinyl-based resin segment containing a constitutional unit derived from a styrene-based compound, in an aqueous medium, to obtain aggregated particles (1); Step (2): aggregating the aggregated particles (1) obtained in the step (1) with resin particles (Y) containing a polyester resin (b) obtained by polycondensing an alcohol component containing 80 mol % or more of an ethyleneoxide adduct of bisphenol A and a polycarboxylic acid component to obtain aggregated particles (2); and Step (3): coalescing the aggregated particles (2) obtained in the step (2).

    Abstract translation: 本发明涉及一种用于生产调色剂的静电图像显影，其中包括下列步骤（1）至（3）：工序（1）：聚合含有的复合树脂做的树脂颗粒（X）包含段构成的 聚酯树脂（a）通过在醇成分含双酚A的环氧丙烷加合物和多元羧酸组分，和含有选自基于苯乙烯的化合物衍生的结构单元的乙烯基系树脂段的80摩尔％以上缩聚获得， 在水性介质中，得到凝集粒子（1）; （B）通过在醇成分含有80摩尔％以上的双酚的环氧乙烷加成物的缩聚获得聚合所述聚合的颗粒得到在含有聚酯树脂的工序（1）与树脂颗粒（Y）（1）：步骤（2） A和多元羧酸组分，以获得凝集粒子（2）; 和步骤（3）：聚结聚集的粒子（2）在步骤（2）获得。

    MAGNETIC CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPERS, PROCESS FOR PRODUCTION THEREOF, AND TWO-COMPONENT DEVELOPERS
    4.
    发明授权
    MAGNETIC CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPERS, PROCESS FOR PRODUCTION THEREOF, AND TWO-COMPONENT DEVELOPERS 有权
    磁体支撑，电力照相显影剂，工艺用于生产和两个组件开发者

    公开(公告)号：EP2439593B1

    公开(公告)日：2016-08-24

    申请号：EP10783459.0

    申请日：2010-06-04

    Applicant: Toda Kogyo Corporation

    Inventor： IWAMI,Katsuji ,  HARADA,Shigenori ,  KURITA,Eiichi ,  KINOSHITA,Kaori

    IPC: G03G9/107 ,  G03G9/113

    CPC classification number: G03G9/1075 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/0918 ,  G03G9/107 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1134 ,  G03G9/1135 ,  G03G9/1136

    Abstract: The present invention relates to a magnetic carrier for an electrophotographic developer comprising spherical magnetic composite particles comprising a phenol resin as a binder and ferromagnetic iron oxide particles bonded to each other through the phenol resin, wherein the spherical magnetic composite particles have a ten-point mean roughness Rz of 0.3 to 2.0 µm. The magnetic carrier for an electrophotographic developer according to the present invention exhibits an excellent durability against peeling-off and abrasion of coating resins formed thereon and a high stability to mechanical stress exerted onto the carrier, is free from occurrence of spent toner, can be stably held over a long period of time without occurrence of fogging and unevenness in density of toner images, and can keep high-quality images with an excellent gradation for a long period of time.

    Abstract translation: 本发明涉及一种用于在电子照相显影剂包含含有酚树脂作为粘合剂，并通过苯酚树脂彼此结合强磁性氧化铁颗粒的球形磁性复合体颗粒，worin球状磁性复合颗粒的磁性载体具有十点平均 的0.3〜2.0微米的粗糙度Rz。 在电子照相显影剂雅丁到本发明表现出抗剥离和在其上形成的涂层树脂的磨损和较高的稳定性，以机械应力的耐久性优异的磁性载体施加到载体上，是从废调色剂的发生游离，能够稳定地 举行了的时间，而不在调色剂图像的密度灰雾和不均匀性的发生期长，并能保持高品质的图像与时间的长期优异的灰度。

    PHTHALOCYANINPIGMENTZUBEREITUNGEN
    7.
    发明授权
    PHTHALOCYANINPIGMENTZUBEREITUNGEN 有权

    公开(公告)号：EP1572810B8

    公开(公告)日：2008-08-13

    申请号：EP03785732.3

    申请日：2003-12-04

    Applicant: Clariant Produkte (Deutschland) GmbH

    Inventor： BRYCHCY, Klaus ,  WEBER, Joachim

    IPC: C09B67/20 ,  C09B67/22 ,  C09D11/02

    CPC classification number: C09D11/17 ,  C09B67/0016 ,  C09B67/0032 ,  C09B67/0035 ,  C09D7/41 ,  C09D11/037 ,  G03G9/0918

    Abstract: The invention relates to a copper phthalocyanine pigment preparation containing a copper phthalocyanine pigment and at least one pigment dispersant from the group of copper phthalocyanine sulfonic acids and copper phthalocyanine sulfonic acid salts. The inventive pigment preparation is characterized by a) a maximum dynamic viscosity of 180 mPas and/or a maximum thixotropy of 800 Pa/s, the dynamic viscosity and the thixotropy being determined by means of a rotary viscometer at a temperature of 23°C in a pigment dispersion comprising 28 percent by weight of the (dry) copper phthalocyanine pigment preparation, 9 percent by weight of nitrocellulose (according to ISO 14446, standard 27A), 62.3 percent by weight of ethanol, and 0.7 percent by weight of ethyl acetate; and b) a color intensity that is so high that a printing ink consisting of an ethanol/nitrocellulose gravure varnish (containing 75 to 85 percent by weight of ethanol and 9 to 11 percent by weight of nitrocellulose according to ISO 14446, standard 27A and 30A at a ratio of 2 to 7.5) and a maximum amount of (dry) copper phthalocyanine pigment preparation of 6.6 percent by weight relative to the total weight of the printing ink, reaches the 1/3 standard depth of shade according to DIN 53235 of the corresponding tone.

    Abstract translation: 本发明涉及一种铜酞菁颜料制剂，其含有铜酞菁颜料和至少一种选自铜酞菁磺酸和铜酞菁磺酸盐的颜料分散剂。 本发明的颜料制剂的特征在于：a）180mPas的最大动态粘度和/或800Pa / s的最大触变性，动态粘度和触变性通过旋转粘度计在23℃ （干）铜酞菁颜料制剂，9重量％硝化纤维素（根据ISO 14446，标准27A），62.3重量％乙醇和0.7重量％乙酸乙酯的颜料分散体; 和b）颜色强度如此高以至于由乙醇/硝化纤维素凹版清漆（根据ISO 14446标准27A和30A含有75至85重量％的乙醇和9至11重量％的硝化纤维素） 比率为2至7.5），并且相对于印刷油墨总重量的6.6重量％的（干）铜酞菁颜料制剂的最大量达到根据DIN 53235的 相应的音调。

    PHTHALOCYANINPIGMENTZUBEREITUNGEN
    8.
    发明授权
    PHTHALOCYANINPIGMENTZUBEREITUNGEN 有权

    公开(公告)号：EP1572810B1

    公开(公告)日：2008-07-02

    申请号：EP03785732.3

    申请日：2003-12-04

    Applicant: Clariant Produkte (Deutschland) GmbH

    Inventor： BRYCHCY, Klaus ,  WEBER, Joachim

    IPC: C09B67/20 ,  C09B67/22 ,  C09D11/02

    CPC classification number: C09D11/17 ,  C09B67/0016 ,  C09B67/0032 ,  C09B67/0035 ,  C09D7/41 ,  C09D11/037 ,  G03G9/0918

    Abstract: The invention relates to a copper phthalocyanine pigment preparation containing a copper phthalocyanine pigment and at least one pigment dispersant from the group of copper phthalocyanine sulfonic acids and copper phthalocyanine sulfonic acid salts. The inventive pigment preparation is characterized by a) a maximum dynamic viscosity of 180 mPas and/or a maximum thixotropy of 800 Pa/s, the dynamic viscosity and the thixotropy being determined by means of a rotary viscometer at a temperature of 23°C in a pigment dispersion comprising 28 percent by weight of the (dry) copper phthalocyanine pigment preparation, 9 percent by weight of nitrocellulose (according to ISO 14446, standard 27A), 62.3 percent by weight of ethanol, and 0.7 percent by weight of ethyl acetate; and b) a color intensity that is so high that a printing ink consisting of an ethanol/nitrocellulose gravure varnish (containing 75 to 85 percent by weight of ethanol and 9 to 11 percent by weight of nitrocellulose according to ISO 14446, standard 27A and 30A at a ratio of 2 to 7.5) and a maximum amount of (dry) copper phthalocyanine pigment preparation of 6.6 percent by weight relative to the total weight of the printing ink, reaches the 1/3 standard depth of shade according to DIN 53235 of the corresponding tone.

    POSITIVE CHARGE CONTROL AGENT, METHOD FOR PRODUCTION OF THE AGENT, AND ELECTROPHOTOGRAPHIC TONER USING THE AGENT
    9.
    发明公开
    POSITIVE CHARGE CONTROL AGENT, METHOD FOR PRODUCTION OF THE AGENT, AND ELECTROPHOTOGRAPHIC TONER USING THE AGENT 有权
    POSITIVES LADUNGSSTEUERUNGSMITTEL，PRODUKTIONSVERFAHRENDAFÜRUND ELEKTROPHOTOGRAPHISCHER TONER DAMIT

    公开(公告)号：EP1921509A1

    公开(公告)日：2008-05-14

    申请号：EP07742191.5

    申请日：2007-04-23

    Applicant: FUJIKURA KASEI CO., LTD.

    Inventor： ISHIMOTO, Takayuki ,  YATABE, Shinji

    IPC: G03G9/097

    CPC classification number: G03G9/09741 ,  G03G9/081 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08791 ,  G03G9/0904 ,  G03G9/0918

    Abstract: Provided are a positive charge controlling agent which is excellent in compatibility with and dispersibility in a binder resin, prevented from discoloring, excellent in chargeability, and reduced in the content of organic compounds having low boiling points, thereby giving no strong odor; a process for producing the same; and an electrophotographic toner which exhibits excellent chargeability and colorability, and the controlled production of VOC. The positive charge controlling agent includes a copolymer obtained by copolymerizing a styrene monomer (M1), a (meth)acrylic acid alkyl ester monomer (M2), and a quaternary ammonium salt (M3) of a dialkylaminoalkyl(meth)acrylate monomer, wherein a copolymerizing ratio (mass%) of the monomers, (M1) + (M2) : (M3), is 99.5 : 0.5 to 65 : 35, and at least one end thereof is RCOO- or RO-, where R is an alkyl group, an aryl group, an aralkyl group, or an alicyclic group.

    Abstract translation: 提供一种正极电荷控制剂，其在粘合剂树脂中的相容性和分散性优异，防止变色，充电性优异，并且降低了沸点低的有机化合物的含量，从而不产生强烈的气味; 其制造方法; 以及显示出优异的带电性和着色性的电子照相调色剂以及VOC的受控制造。 正电荷控制剂包括通过共聚苯乙烯单体（M1），（甲基）丙烯酸烷基酯单体（M2）和二烷基氨基烷基（甲基）丙烯酸酯单体的季铵盐（M3））而获得的共聚物，其中 单体（M1）+（M2）：（M3）的共聚比（质量％）为99.5:0.5〜65:35，其至少一端为RCOO-或RO-，其中，R为烷基 芳基，芳烷基或脂环族基。

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