ELECTROPHOTOGRAPHY TONER
    1.
    发明申请

    公开(公告)号:US20170363981A1

    公开(公告)日:2017-12-21

    申请号:US15532372

    申请日:2015-11-25

    Abstract: A toner for electrophotography containing a resin binder containing a crystalline resin and an amorphous resin, and a releasing agent, wherein the crystalline resin contains a crystalline composite resin C containing a polycondensation resin component and a styrenic resin component, wherein the polycondensation resin component is obtained by polycondensing a specified alcohol component and a specified carboxylic acid component, and wherein the amorphous resin contains an amorphous composite resin AC containing a polycondensation resin component and a styrenic resin component, wherein the polycondensation resin component is obtained by polycondensing an alcohol component and a specified carboxylic acid component, and an amorphous polyester AP obtained by polycondensing an alcohol component and a specified carboxylic acid component, wherein a softening point of the amorphous polyester AP is higher than a softening point of the amorphous composite resin AC, wherein a difference in softening points between the amorphous polyester AP and the amorphous composite resin AC is 10° C. or more and 50° C. or less. The toner for electrophotography of the present invention is suitably used in development of latent images or the like which is formed in, for example, electrostatic development method, electrostatic recording method, electrostatic printing method or the like.

    MAGNETIC TONER
    3.
    发明申请
    MAGNETIC TONER 审中-公开
    磁性墨粉

    公开(公告)号:US20160334723A1

    公开(公告)日:2016-11-17

    申请号:US15217442

    申请日:2016-07-22

    Abstract: A magnetic toner including: magnetic toner particles containing a binder resin, a magnetic body, and a release agent; and inorganic fine particles present on the surface of the magnetic toner particles, wherein the inorganic fine particles present on the surface of the magnetic toner particles contain metal oxide fine particles, the metal oxide fine particles containing silica fine particles, and optionally containing titania fine particles and alumina fine particles, and a content of the silica fine particles being at least 85 mass % with respect to a total mass of the silica fine particles, the titania fine particles and the alumina fine particles, wherein the magnetic toner has a coverage ratio A of the magnetic toner particles' surface by the inorganic fine particles and a coverage ratio B of the magnetic toner particles' surface by the inorganic fine particles fixed to the magnetic toner particles' surface that reside in prescribed numerical value ranges; the binder resin contains a styrene resin; the release agent contains a monoester compound or a diester compound; and the softening temperature and softening point of the magnetic toner reside in prescribed temperature ranges.

    Abstract translation: 一种磁性调色剂,包括:含有粘合剂树脂的磁性调色剂颗粒,磁性体和脱模剂; 和存在于磁性调色剂颗粒表面上的无机细颗粒,其中存在于磁性调色剂颗粒表面上的无机细颗粒含有金属氧化物细颗粒,含有二氧化硅微粒的金属氧化物细颗粒和任选地含有二氧化钛细颗粒 氧化铝微粒,二氧化硅微粒的含量相对于二氧化硅微粒,二氧化钛微粒和氧化铝微粒的总质量为85质量%以上,其中,磁性调色剂具有覆盖率A 的无机细颗粒的磁性调色剂颗粒表面和通过固定在磁性调色剂颗粒表面上的规定数值范围内的无机细颗粒的磁性调色剂颗粒表面的覆盖率B; 粘合剂树脂含有苯乙烯树脂; 脱模剂含有单酯化合物或二酯化合物; 并且磁性调色剂的软化温度和软化点在规定的温度范围内。

    Toner
    4.
    发明授权
    Toner 有权
    爽肤水

    公开(公告)号:US09423714B2

    公开(公告)日:2016-08-23

    申请号:US14625502

    申请日:2015-02-18

    Abstract: A toner has a toner particle that contains a binder resin and a charge control resin, wherein the charge control resin is a polymer that contains a unit A and a unit B, the unit A is a unit derived from 2-acrylamido-2-methylpropanesulfonic acid, the unit B is a unit derived from an electron donor compound that has a polymerizable unsaturated group, and a molar ratio between the unit A and the unit B is from 1.0 to 10.0.

    Abstract translation: 调色剂具有含有粘合剂树脂和电荷控制树脂的调色剂颗粒,其中电荷控制树脂是含有单元A和单元B的聚合物,单元A是衍生自2-丙烯酰胺基-2-甲基丙磺酸的单元 酸,单元B是衍生自具有可聚合不饱和基团的电子给体化合物的单元,单元A和单元B之间的摩尔比为1.0至10.0。

    Toner
    6.
    发明授权
    Toner 有权
    爽肤水

    公开(公告)号:US09029056B2

    公开(公告)日:2015-05-12

    申请号:US14116997

    申请日:2012-05-17

    Abstract: Provided is a toner having high charging rapidity to reach a sufficient charging amount in a short time, high stability of charging from the initial stage to a time when a large amount of sheets is printed out, and high stability of charging under a high temperature and high humidity. In a toner including toner particles, each of which contains at least a binder resin, a colorant, and a charge controlling resin, the charge controlling resin is a copolymer of a structure A having at least a specific salicylic acid derivative structure and a structure B having sulfonic acid or sulfonic acid ester as a substituent.

    Abstract translation: 提供了一种具有高充电速度的调色剂,以便在短时间内达到充足的充电量,从初始阶段到打印出大量的片材时的充电稳定性高,并且在高温下充电的稳定性高 高湿度 在包含调色剂颗粒的调色剂中,每个调色剂颗粒至少含有粘合剂树脂,着色剂和电荷控制树脂,电荷控制树脂是具有至少特定的水杨酸衍生物结构的结构A和结构B的共聚物 具有磺酸或磺酸酯作为取代基。

    TONER FOR DEVELOPING ELECTROSTATIC IMAGES AND METHOD FOR PRODUCING THE TONER
    7.
    发明申请
    TONER FOR DEVELOPING ELECTROSTATIC IMAGES AND METHOD FOR PRODUCING THE TONER 有权
    用于开发静电图像的调色剂和用于生产调色剂的方法

    公开(公告)号:US20150118614A1

    公开(公告)日:2015-04-30

    申请号:US14388005

    申请日:2013-02-07

    Inventor: Hiromichi Jin

    CPC classification number: G03G9/0806 G03G9/08706 G03G9/08708 G03G9/08711

    Abstract: The present invention is to provide a toner which is able to prevent an odor generated from the toner upon fixing and which has excellent fixability. The present invention is also to provide a method for producing the toner. Disclosed is a method for producing a toner for developing electrostatic images, wherein a content of diethylbenzene in colored resin particles after a polymerization step and before a stripping step, is set to 100 to 400 ppm by the polymerization step; and wherein the diethylbenzene content in the colored resin particles after the stripping step is set to 30 to 250 ppm by the stripping step, and a content of the monovinyl monomer in the colored resin particles after the stripping step is set to 30 ppm or less by the stripping step.

    Abstract translation: 本发明提供一种能够防止调色剂在固着时产生的气味并具有优异的定影性的调色剂。 本发明还提供一种调色剂的制造方法。 公开了一种用于制造静电图像显影用调色剂的方法,其中在聚合步骤之后和汽提步骤之前的有色树脂颗粒中的二乙基苯的含量通过聚合步骤设定为100-400ppm; 并且其中通过汽提步骤将汽提步骤后着色树脂颗粒中的二乙苯含量设定为30至250ppm,并且汽提步骤后着色树脂颗粒中的单乙烯基单体的含量通过以下步骤设定为30ppm或更小: 剥离步骤。

    POLYMERIZED TONER AND A METHOD FOR PREPARING THE SAME
    9.
    发明申请
    POLYMERIZED TONER AND A METHOD FOR PREPARING THE SAME 审中-公开
    聚合物聚合物及其制备方法

    公开(公告)号:US20140370433A1

    公开(公告)日:2014-12-18

    申请号:US14368270

    申请日:2012-12-05

    Applicant: LG CHEM, LTD.

    Abstract: This disclosure relates to a polymerized toner prepared by suspension polymerization. Particularly, this disclosure relates to a polymerized toner that comprises a binder resin, and a pigment, a charge control agent, and wax, which are dispersed in the binder resin, and maintains peak molecular weight (Mn) of the binder resin, the ratio of number average molecular weight/peak molecular weight (Mn/Mp), and gel content (Gel %), and thereby, can realize high glossiness and excellent off set property when printing, and a method for preparing the same.

    Abstract translation: 本公开涉及通过悬浮聚合制备的聚合调色剂。 特别地,本公开内容涉及分散在粘合剂树脂中的粘合剂树脂和颜料,电荷控制剂和蜡的聚合调色剂,并且保持粘合剂树脂的峰值分子量(Mn),比率 数均分子量/峰值分子量(Mn / Mp)和凝胶含量(凝胶%),因此能够实现高的光泽度和印刷时的优异的脱模性及其制备方法。

    Toner
    10.
    发明授权
    Toner 有权
    爽肤水

    公开(公告)号:US08828633B2

    公开(公告)日:2014-09-09

    申请号:US12973739

    申请日:2010-12-20

    Abstract: To obtain a toner which has excellent charge rise and stability, tends to have a sharp charge distribution, has excellent pigment dispersion properties, exhibits no disarray in an image even during a high-speed copying operation, and can stably output high-resolution images. A toner comprising toner particle containing a binder resin, a colorant, resin PA, and resin PB, wherein the resin PA has unit A represented by Formula (1), the resin PB has unit B represented by Formula (2), a content “a” of the unit A in the toner particle is 2.00 μmol/g or more, and a molar ratio b/a of the content “a” and a content “b” of the unit B in the toner particle is 0.10 or more and 10.00 or less.

    Abstract translation: 为了获得具有优异的电荷上升和稳定性的调色剂,倾向于具有尖锐的电荷分布,具有优异的颜料分散性能,即使在高速复印操作期间也不会在图像中混乱,并且可以稳定地输出高分辨率图像。 包含粘合剂树脂,着色剂,树脂PA和树脂PB的调色剂颗粒的调色剂,其中树脂PA具有由式(1)表示的单元A,树脂PB具有由式(2)表示的单元B,含量“ 调色剂颗粒中的单元A“为2.00μmol/ g以上,调色剂颗粒中单元B的含量”a“和含量”b“的摩尔比b / a为0.10以上, 10.00以下。

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