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11 条记录 (耗时 0.023 秒)

    Toner for electrophotography
    1.
    发明授权
    Toner for electrophotography 失效
    电子照相用碳粉

    公开(公告)号：US4968574A

    公开(公告)日：1990-11-06

    申请号：US817768

    申请日：1986-01-09

    申请人： Hideaki Morita ,  Takahira Kasuya ,  Goichi Yamakawa ,  Makoto Tomono ,  Hirozo Funaki ,  Minoru Kohara

    发明人： Hideaki Morita ,  Takahira Kasuya ,  Goichi Yamakawa ,  Makoto Tomono ,  Hirozo Funaki ,  Minoru Kohara

    IPC分类号： G03G9/087

    CPC分类号： G03G9/08706 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08728

    摘要： The present invention relates to toners for electrophotography wherein the main resin component comprises a lower molecular weight polymer and a higher molecular weight polymer each of which is different from the other wherein the higher molecular weight polymer has a glass transition point of at least 50.degree. C. and the lower molecular weight polymer has a glass transition point no higher than 65.degree. C. The above polymers comprise one or more polymers selected from styrene polymers, arcylic polymers, and styrene-acrylic copolymers. Generally, the lower molecular weight polymer has a weight average molecular weight of 50,000 or less and the higher molecular weight polymer has a weight average molecular weight of 80,000 or more.

    摘要翻译： 本发明涉及电子照相用调色剂，其中主要树脂组分包含较低分子量聚合物和较高分子量聚合物，每种聚合物与另一种不同，其中较高分子量聚合物的玻璃化转变点至少为50℃ 并且较低分子量的聚合物具有不高于65℃的玻璃化转变点。上述聚合物包含一种或多种选自苯乙烯聚合物，芳族聚合物和苯乙烯 - 丙烯酸共聚物的聚合物。 通常，低分子量聚合物的重均分子量为50,000以下，高分子量聚合物的重均分子量为80,000以上。

    Electrostatic image forming toner
    2.
    发明授权
    Electrostatic image forming toner 失效
    静电成像调色剂

    公开(公告)号：US4564573A

    公开(公告)日：1986-01-14

    申请号：US634173

    申请日：1984-07-24

    申请人： Hideaki Morita ,  Takahira Kasuya ,  Goichi Yamakawa ,  Makoto Tomono ,  Isao Furuta ,  Minoru Tsuneyoshi

    发明人： Hideaki Morita ,  Takahira Kasuya ,  Goichi Yamakawa ,  Makoto Tomono ,  Isao Furuta ,  Minoru Tsuneyoshi

    IPC分类号： G03G9/087 ,  G03G11/00

    CPC分类号： G03G9/08737 ,  G03G9/08708

    摘要： An electrostatic image developing toner comprises a binder resin which contains at least 60% by weight of a styrene-butadiene copolymer. The copolymer contains a component A having a molecular weight of at least 100,000 in an amount of at least 20% by weight relative to the binder resin, and a component B having a molecular weight of at least 500,000 in the component A is not more than 15% by weight relative to the binder resin. The toner has adequate flowability and noncoagulation property and is capable of forming a superior visible image in a contact heat fixing system.

    摘要翻译： 静电图像显影调色剂包含含有至少60重量％的苯乙烯 - 丁二烯共聚物的粘合剂树脂。 共聚物含有相对于粘合剂树脂为至少20重量％的分子量至少为100,000的组分A，组分A中分子量至少为500,000的组分B不大于 相对于粘合剂树脂为15重量％。 调色剂具有足够的流动性和非凝固性，并且能够在接触热定影系统中形成优异的可视图像。

    Developer composition for developing an electrostatic image
    6.
    发明授权
    Developer composition for developing an electrostatic image 失效
    用于显影静电图像的显影剂组合物

    公开(公告)号：US4572885A

    公开(公告)日：1986-02-25

    申请号：US395965

    申请日：1982-07-07

    申请人： Keiji Sato ,  Takahira Kasuya ,  Goichi Yamakawa ,  Tsuneo Wada

    发明人： Keiji Sato ,  Takahira Kasuya ,  Goichi Yamakawa ,  Tsuneo Wada

    IPC分类号： G03G9/087 ,  G03G9/113 ,  G03G9/16

    CPC分类号： G03G9/1133 ,  G03G9/08704 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08724 ,  G03G9/1135

    摘要： There are disclosed an electrostatic image developer which comprises a carrier comprising iron powder particles coated with a resin and a toner comprising a low molecular weight polypropylene, and an electrostatic image developer which further comprises as binder a homopolymer of a styrene or a copolymer of a styrene with an another vinyl monomer containing 10 to 70% by weight of a high molecular component having a molecular weight of 100,000 to 10,000,000.The electrostatic image developer of the present invention can accomplish good developing without forming fogging even when provided in a great number of developments, thus exhibiting a great durability, and is also free from image contamination by the off-set phenomenon to give an excellent copied image.

    摘要翻译： 公开了一种静电图像显影剂，其包含载体，该载体包含用树脂涂覆的铁粉颗粒和包含低分子量聚丙烯的调色剂，以及静电图像显影剂，其还包含作为粘合剂的苯乙烯均聚物或苯乙烯共聚物 与另一乙烯基单体一起含有10至70重量％的分子量为100,000至10,000,000的高分子组分。 本发明的静电图像显影剂即使在大量的开发中被提供也可以实现良好的显影而不形成起雾，因此表现出很大的耐久性，并且也没有图像污染的偏移现象，以产生优异的复印图像 。

    Developer for electrostatic latent image and method of forming image
    7.
    发明授权
    Developer for electrostatic latent image and method of forming image 失效
    静电潜像显影剂及形成图像的方法

    公开(公告)号：US4585723A

    公开(公告)日：1986-04-29

    申请号：US767056

    申请日：1985-08-19

    申请人： Ken-ichi Kishi ,  Keiji Sato ,  Takahira Kasuya ,  Kunio Ito ,  Tsuneo Wada

    发明人： Ken-ichi Kishi ,  Keiji Sato ,  Takahira Kasuya ,  Kunio Ito ,  Tsuneo Wada

    IPC分类号： G03G9/097 ,  G03G9/08 ,  G03G9/10 ,  G03G9/14

    CPC分类号： G03G9/09716

    摘要： A developer for developing an electrostatic latent image comprising colored electroscopic particles and at least one silicon dioxide powder having its particles made hydrophobic with a specified organosilicon compound is disclosed. Silicon atoms in said organosilicon compound are bonded to silicon atoms on the surface of individual silicon dioxide particles through oxygen atoms. At least one organic group in the organosilicon compound has a total carbon number of 8 or more and is a saturated or unsaturated aliphatic organic group with at least 5 carbon atoms or an organic compound having a hydrocarbon ring. In a preferred embodiment, such a silicon dioxide powder is used in combination with another silicon dioxide powder whose particles are rendered hydrophobic by an organosilicon compound wherein any of the organic groups present has a total carbon number of 7 or less and is a saturated or unsaturated organic group with not more than 4 carbon atoms or an organic group having a hydrocarbon ring.

    摘要翻译： 公开了一种用于显影静电潜像的显影剂，其包含着色的电子微粒和至少一种二氧化硅粉末，其具有由特定有机硅化合物制成疏水性的颗粒。 所述有机硅化合物中的硅原子通过氧原子与单个二氧化硅颗粒的表面上的硅原子键合。 有机硅化合物中的至少一个有机基团的总碳原子数为8以上，为具有至少5个碳原子的饱和或不饱和的脂族有机基团或具有烃环的有机化合物。 在优选的实施方案中，这种二氧化硅粉末与另一种二氧化硅粉末组合使用，其二氧化硅粉末的颗粒由有机硅化合物形成疏水性，其中存在的任何有机基团的总碳数为7或更小，为饱和或不饱和的 不大于4个碳原子的有机基团或具有烃环的有机基团。

    Color toner
    10.
    发明授权
    Color toner 失效
    彩色墨粉

    公开(公告)号：US5143809A

    公开(公告)日：1992-09-01

    申请号：US625963

    申请日：1990-12-11

    申请人： Tadashi Kaneko ,  Shoichi Nakano ,  Yoshiaki Kobayashi ,  Takahira Kasuya

    发明人： Tadashi Kaneko ,  Shoichi Nakano ,  Yoshiaki Kobayashi ,  Takahira Kasuya

    IPC分类号： C08G63/668 ,  G03G9/087 ,  G03G9/097

    CPC分类号： C08G63/668 ,  G03G9/08755 ,  G03G9/09783

    摘要： There is disclosed a color toner having an excellent fixability, an improved antioffset property and a superior transparency of an image fixed on an OHP sheet. The color toner comprises 100 parts by weight of a polyester resin prepared by condensation polymerization of the following components (1) and (2), 0.1 to 5 parts by weight of a zinc complex of an aromatic oxycarboxylic acid which may have a substituent, and 1 to 20 parts by weight of a colorant;Component (1): diol represented by the following Formula (a): ##STR1## wherein R represents an ethylene group or a propylene group; and X and Y each are an integer, provided that the sum of X and Y is 2 to 7 in average:Component (2): a mixture of a divalent acid component comprising a divalent carboxylic acid having an aliphatic hydrocarbon side chain of 3 to 22 carbon atoms or a lower alkyl ester thereof, and a trivalent acid component comprising a trivalent carboxylic acid or an anhydride thereof in a ratio of 10 to 50 mole % of the total acid components.

    摘要翻译： 公开了固定在OHP片上的图像具有优异的定影性，改进的抗折射特性和优异透明度的彩色调色剂。 彩色调色剂包含100重量份由以下组分（1）和（2）缩聚制备的聚酯树脂，0.1至5重量份可具有取代基的芳族羟基羧酸锌络合物，以及 1至20份重量的着色剂; 组分（1）：由下式（a）表示的二醇：其中R表示亚乙基或亚丙基; X和Y各自为整数，条件是X和Y的和平均为2〜7成分：成分（2）：包含脂族烃侧链的2价羧酸的2价酸成分的混合物为3〜 22个碳原子或其低级烷基酯，和包含三价羧酸或其酸酐的三价酸组分，其总酸成分的比例为10〜50摩尔％。