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    Developer for use in electrophotography, and image formation method using the same
    2.
    发明授权
    Developer for use in electrophotography, and image formation method using the same 失效
    用于电子照相术的显影剂，以及使用其的图像形成方法

    公开(公告)号：US5851717A

    公开(公告)日：1998-12-22

    申请号：US637081

    申请日：1996-04-24

    申请人： Kazuo Tsubuko ,  Akihiko Gotoh ,  Tsuyoshi Asami ,  Kazuyo Mizuno ,  Akihiro Koseki

    发明人： Kazuo Tsubuko ,  Akihiko Gotoh ,  Tsuyoshi Asami ,  Kazuyo Mizuno ,  Akihiro Koseki

    IPC分类号： G03G9/08 ,  G03G9/12 ,  G03G9/13 ,  G03G13/10

    CPC分类号： G03G9/12 ,  G03G13/10 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/122 ,  G03G9/13

    摘要： A developer for use in electrophotography for developing latent electrostatic images to visible toner images, includes at least two kinds of toner particles with different shapes selected from the group consisting of spherical toner particles, fibrous toner particles and amorphous toner particles, each toner particle containing a coloring agent and a binder resin. There is provided a liquid developer including a toner which is dispersed in a carrier liquid, in which the toner includes at least two kinds of the above-mentioned toner particles with different shapes. An electrophotographic image formation method using the above-mentioned liquid developer is also provided.

    摘要翻译： 用于将静电潜像显影成可见调色剂图像的电子照相用显影剂包括选自球形调色剂颗粒，纤维调色剂颗粒和无定形调色剂颗粒的至少两种不同形状的调色剂颗粒，每个调色剂颗粒含有 着色剂和粘合剂树脂。 提供了包括分散在载体液体中的调色剂的液体显影剂，其中调色剂包括至少两种具有不同形状的上述调色剂颗粒。 还提供了使用上述液体显影剂的电子照相图像形成方法。

    Liquid developer, method of producing the liquid developer and image formation using the same
    3.
    发明授权
    Liquid developer, method of producing the liquid developer and image formation using the same 失效
    液体显影剂，液体显影剂的制造方法和使用其的图像形成

    公开(公告)号：US6020103A

    公开(公告)日：2000-02-01

    申请号：US888110

    申请日：1997-07-03

    申请人： Kazuo Tsubuko ,  Akihiko Gotoh ,  Tsuyoshi Asami ,  Yukio Tabata

    发明人： Kazuo Tsubuko ,  Akihiko Gotoh ,  Tsuyoshi Asami ,  Yukio Tabata

    IPC分类号： G03G9/12 ,  G03G9/125 ,  G03G9/13

    CPC分类号： G03G9/13 ,  G03G9/12 ,  G03G9/122 ,  G03G9/125

    摘要： A liquid toner for use in a liquid developer contains a dispersion medium and toner particles, each of which toner particles contains a coloring agent and a binder agent and is dispersed in the dispersion medium, the toner particles comprising small toner particles with a particle diameter of 0.1 .mu.m or less in an amount of 20 wt. % or less of the total weight of the toner particles, and having an average particle diameter of 0.3 to 5 .mu.m. Using the above-mentioned liquid toner in which the amount of the toner particles is controlled to 5 to 100 wt. % of the total weight of the liquid toner, a latent electrostatic image formed on a photoconductor can be developed to a toner image.

    摘要翻译： 用于液体显影剂的液体调色剂含有分散介质和调色剂颗粒，其中每个调色剂颗粒含有着色剂和粘合剂并分散在分散介质中，调色剂颗粒包含粒径为 0.1μm或更少的20wt。 调色剂颗粒的总重量的％以下，平均粒径为0.3〜5μm。 使用其中将调色剂颗粒的量控制在5至100重量％的上述液体调色剂。 液体调色剂的总重量的％，形成在感光体上的静电潜像可以显影成调色剂图像。

    Liquid developer for developing electrostatic image and image forming method
    4.
    发明授权
    Liquid developer for developing electrostatic image and image forming method 失效
    用于显影静电图像和图像形成方法的液体显影剂

    公开(公告)号：US06447973B1

    公开(公告)日：2002-09-10

    申请号：US09644266

    申请日：2000-08-23

    申请人： Tsuyoshi Asami ,  Kazuo Tsubuko ,  Aiko Ishikawa ,  Akihiro Koseki ,  Takeo Kudoh ,  Kazuhiko Umemura

    发明人： Tsuyoshi Asami ,  Kazuo Tsubuko ,  Aiko Ishikawa ,  Akihiro Koseki ,  Takeo Kudoh ,  Kazuhiko Umemura

    IPC分类号： G03G900

    CPC分类号： G03G9/135 ,  G03G9/125 ,  G03G9/131 ,  G03G9/132

    摘要： A liquid developer containing a carrier liquid containing silicone oil, and toner particles dispersed in the carrier liquid and each containing a coloring agent and a resin, the resin contains at least one member selected from the group consisting of the following resins (a)-(g): (a): rosin polymers having a softening point of 50-190° C., a glass transition point of 10-170° C. and a molecular weight of 2,000-40,000 and obtained by reacting (a1) a rosin glycidyl ester, (a2) dicarboxylic acid or dicarboxylic anhydride, (a3) at least one crosslinking agent selected from the group consisting of polyfunctional epoxy compounds, tri- or more polybasic acids or anhydrides thereof tri- or more polyhydric alcohols, and (a4) a dihydric alcohol; (b): vinyl polymers having a ratio of the weight average molecular weight to the number average molecular weight of greater than 4; (c): olefin resins having a melt index of 2.5-700; (d): polyolefins or polyolefin copolymers having an acid value of 0.5-80 and a melt viscosity of 50-20,000 mpa·s at 200° C.; (e): polymers obtained by crosslinking carboxyl group-containing vinyl polymers with an amine; (f): vinyl polymers having at least 0.005% by weight of a crosslinking monomer based on a total monomer; and (g): silicone copolymers, silicone rubber or silicone-modified resins. A liquid developer containing a carrier liquid containing silicone oil, toner particles each containing a coloring agent and a resin, and an erucamide compound.

    摘要翻译： 含有含有硅油的载体液体的液体显影剂和分散在载体液体中并分别含有着色剂和树脂的调色剂颗粒，所述树脂含有选自以下树脂中的至少一种：（a） - （ g）:( a）：软化点为50-190℃，玻璃化转变温度为10-170℃，分子量为2,000-40,000的松香聚合物，通过使（a1）松香缩水甘油基 酯，（a2）二羧酸或二羧酸酐，（a3）至少一种交联剂，其选自多官能环氧化合物，三元以上多元酸或其酸酐三元以上多元醇，和（a4）a 二元醇;（b）：重均分子量与数均分子量之比大于4的乙烯基聚合物;（c）：熔体指数为2.5-700的烯烃树脂;（d）：聚烯烃或 酸值为0.5-80的聚烯烃共聚物和a （e）：通过使含羧基的乙烯基聚合物与胺交联而获得的聚合物;（f）：具有至少0.005重量％的交联单体的乙烯基聚合物 基于总单体; 和（g）：硅氧烷共聚物，硅橡胶或硅氧烷改性树脂。 含有含有硅油的载体液体，各自含有着色剂和树脂的调色剂颗粒和芥酸酰胺化合物的液体显影剂。

    Liquid developer for use in electrophotography
    5.
    发明授权
    Liquid developer for use in electrophotography 失效
    用于电子照相术的液体显影剂

    公开(公告)号：US4388395A

    公开(公告)日：1983-06-14

    申请号：US339544

    申请日：1982-01-15

    申请人： Kazuo Tsubuko ,  Junichiro Hashimoto ,  Shinichi Kuramoto ,  Makoto Okawara

    发明人： Kazuo Tsubuko ,  Junichiro Hashimoto ,  Shinichi Kuramoto ,  Makoto Okawara

    IPC分类号： C08F265/00 ,  C08F265/04 ,  C08F290/00 ,  C08F290/12 ,  C08F299/00 ,  G03G9/13 ,  G03G9/12

    CPC分类号： C08F265/04 ,  C08F290/12 ,  G03G9/133

    摘要： A liquid developer for use in electrophotography is disclosed which is prepared by dispersing a toner consisting essentially of a pigment or dye and a resin in a carrier liquid having a high insulating property and a low dielectric constant, wherein said resin is a nonaqueous dispersed resin obtained by effecting, in a nonaqueous solvent comprising an aliphatic hydrocarbon, the steps of:(a) copolymerizing (1) a monomer A having the general formula I: ##STR1## [wherein R is H or --CH.sub.3, and A is --COOC.sub.n H.sub.2n+1 or --OC.sub.n H.sub.2n+1 (n is an integer of 6 to 20)] with (2) a polyfunctional monomer having two or more double bonds and (3) a monomer B having a glycidyl group or a vinyl monomer C having a carboxyl group,(b) esterifying the resulting copolymer with the monomer C when the monomer B was used in the step (a) and with the monomer B when the monomer C was used in the step (a) respectively, and(c) grafting the resulting esterified copolymer with a monomer D selected from the group consisting of compounds having the general formula II: ##STR2## [wherein R is the same as previously stated and Z is --COOC.sub.m H.sub.2m+1 (m is an integer of 1 to 4), --OCOC.sub.m' H.sub.2m'+1 (m' is an integer of 1 to 6), ##STR3## (m is the same as previously stated), --COOH, --COOC.sub.2 H.sub.4 OH or ##STR4## styrene, vinyl acetate, vinyltoluene, chlorostyrene, vinylpyrrolidone and vinylpyridine.

    摘要翻译： 公开了一种用于电子照相术的液体显影剂，其通过将基本上由颜料或染料和树脂组成的调色剂分散在具有高绝缘性能和低介电常数的载体液体中制备，其中所述树脂是获得的非水分散树脂 通过在包含脂族烃的非水溶剂中进行以下步骤：（a）使（1）具有通式I的单体A：其中R是H或-CH 3，A是-COOC n H 2n + 1或-OCnH2n + 1（n为6〜20的整数）]与（2）具有两个以上双键的多官能单体和（3）具有缩水甘油基的单体B或具有羧基的乙烯基单体C ，（b）当在步骤（a）中使用单体B时，和单体B分别在步骤（a）中使用单体C时，用单体C酯化所得共聚物，和（c）将所得的共聚物 酯化的共聚物与选自下组的单体D. 具有通式II的化合物：其中R与前述相同，Z为-COOCmH2m + 1（m为1〜4的整数），-OCOCm'H2m'+ 1（m'为整数 1〜6），＆lt; IMAGE＆gt;（m与前述相同），-COOH，-COOC 2 H 4 OH或苯乙烯，乙酸乙烯酯，乙烯基甲苯，氯苯乙烯，乙烯基吡咯烷酮和乙烯基吡啶。

    Non-aqueous type resin dispersion and electrophotographic developer containing said resin
    7.
    发明授权
    Non-aqueous type resin dispersion and electrophotographic developer containing said resin 失效
    包含所述树脂的非水型树脂分散体和电子照相显影剂

    公开(公告)号：US4764447A

    公开(公告)日：1988-08-16

    申请号：US883182

    申请日：1986-07-08

    申请人： Kazuo Tsubuko ,  Shinichi Kuramoto ,  Kayoko Nagai ,  Makoto Okawara ,  Hajime Takanashi

    发明人： Kazuo Tsubuko ,  Shinichi Kuramoto ,  Kayoko Nagai ,  Makoto Okawara ,  Hajime Takanashi

    IPC分类号： C08F2/14 ,  C08F218/10 ,  C08F220/18 ,  G03G9/13 ,  G03G9/12 ,  C08L35/02

    CPC分类号： C08F220/18 ,  C08F218/10 ,  G03G9/131

    摘要： This invention relates to a non-aqueous type resin dispersion obtained by polymerizing a polymerizable composition containing at least monomer A represented by the general formula (I), ##STR1## (wherein, R.sup.1 represents --H or --CH.sub.3, X represents --COOC.sub.n H.sub.2n+1 or --OCOC.sub.n H.sub.2n+1, and n represents an integer of 6-20), monomer B represented by the general formula (II), ##STR2## (wherein, R.sup.2 and R.sup.3 represent --H or --CH.sub.3 and m represents an integer of 1-20), and monomer C having a carboxyl group or a glycidyl group in the presence of a polymerization initiator in an aliphatic hydrocarbon solvent.

    摘要翻译： 本发明涉及通过聚合至少含有由通式（I）表示的单体A，（I）（其中，R 1表示-H或-CH 3，X表示）的聚合性组合物而获得的非水型树脂分散体 -COOCnH2n + 1或-OCOCnH2n + 1，n表示6-20的整数），由通式（II）表示的单体B，（II）（其中，R2和R3表示-H或-CH3 m表示1-20的整数），在聚合引发剂的存在下，在脂族烃溶剂中具有羧基或缩水甘油基的单体C.

    Non-aqueous type resin and electrophotographic developer containing the same
    8.
    发明授权
    Non-aqueous type resin and electrophotographic developer containing the same 失效
    非水型树脂和含有它的电子照相显影剂

    公开(公告)号：US4634651A

    公开(公告)日：1987-01-06

    申请号：US768882

    申请日：1985-08-23

    申请人： Makoto Okawara ,  Kazuo Tsubuko

    发明人： Makoto Okawara ,  Kazuo Tsubuko

    IPC分类号： C08F2/06 ,  C08F218/02 ,  C08F220/18 ,  G03G9/13 ,  G03G9/12 ,  C08L23/04 ,  C08L25/02

    CPC分类号： G03G9/131 ,  C08F218/02 ,  C08F220/18

    摘要： This invention relates to a non-aqueous type resinous composition obtained by polymerizing a polymerizable composition containing at least monomer A represented by the general formula (I), ##STR1## (wherein R represents --H or --CH.sub.3, X representing --COOC.sub.n H.sub.2n+1 or --O--CO--C.sub.n H.sub.2n+1, and n representing an integer of 6-20) and monomer B represented by the general formula (II), ##STR2## (wherein R represents --H or --CH.sub.3, n representing an integer of 1-20, and M representing --H, Na, K, Mg, Mn, Ca, Li, Al or Co) in the presence of a polymerization initiator in an aliphatic hydrocarbon solvent.

    摘要翻译： 本发明涉及一种非水型树脂组合物，其通过聚合至少含有由通式（I）表示的单体A，（I）（其中R表示-H或-CH 3，X表示 - COOCnH2n + 1或-O-CO-CnH2n + 1，n表示6-20的整数）和由通式（II）表示的单体B，其中R表示-H或-CH 3 ，n表示1-20的整数，M表示-H，Na，K，Mg，Mn，Ca，Li，Al或Co）在脂族烃溶剂中的聚合引发剂存在下进行。