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    MAINTENANCE LIQUID, AND INKJET RECORDING DEVICE MAINTENANCE METHOD EMPLOYING SAME
    2.
    发明公开
    MAINTENANCE LIQUID, AND INKJET RECORDING DEVICE MAINTENANCE METHOD EMPLOYING SAME 审中-公开

    公开(公告)号：EP4316858A1

    公开(公告)日：2024-02-07

    申请号：EP22781255.9

    申请日：2022-03-31

    申请人： DNP Fine Chemicals Co., Ltd.

    发明人： YOSHIMORI, Keishiro ,  ORIKASA, Yuka ,  MATSUMOTO, Kisei ,  UTAKA, Koujun ,  TAMURA, Mitsuyoshi

    IPC分类号： B41J2/165 ,  B41J2/17 ,  C09D11/30 ,  C11D7/22 ,  C11D7/26 ,  C11D7/32 ,  C11D7/50

    摘要： Provided are: a maintenance liquid having a high member suitability with respect to members constituting an ink flow path, and having excellent cleaning properties; a maintenance liquid having excellent moisture retaining properties in a plastic accommodating body and a plastic supply body of an inkjet recording device; and a maintenance liquid having high member suitability with respect to a resin cured product, and having excellent cleaning properties. This maintenance liquid for use in an inkjet recording device contains an organic solvent, wherein the moisture content of the maintenance liquid is at most equal to 5% by mass of the total amount of the maintenance liquid, and the organic solvent contains at least one of an amide-based solvent and a lactone-based solvent. Further, the maintenance liquid for use in an inkjet recording device contains an organic solvent A2, wherein the organic solvent A2 has a boiling point of 250°C or lower and a volatilization rate, upon volatilization by means of the storage test described below, of 15% by mass or less. Further, the maintenance liquid for use in an inkjet recording device provided with an inkjet head including a resin cured product, as a component member, contains an organic solvent, wherein the organic solvent contains the following organic solvent A3. Organic solvent A3: At least one solvent selected from the group comprising alkylamide-based solvents (a1), cyclic amide-based solvents (a2), and lactone-based solvents (a3)

    INKJET RECORDING METHOD
    4.
    发明公开
    INKJET RECORDING METHOD 有权
    喷墨记录方法

    公开(公告)号：EP2660066A1

    公开(公告)日：2013-11-06

    申请号：EP11852489.1

    申请日：2011-12-26

    申请人： Dai Nippon Printing Co., Ltd. ,  DNP Fine Chemicals Co., Ltd.

    发明人： INUMARU, Masaki ,  SHIODA, Satoshi ,  MIYATA, Eiichi ,  OTOMARU, Takao ,  SUGITA, Yukio ,  TAMURA, Mitsuyoshi ,  YAMAZAKI, Fumie ,  SHIRAISHI, Naoki

    IPC分类号： B41M5/00 ,  B41J2/01 ,  C09D11/00

    CPC分类号： B41M5/0017 ,  C09D11/322 ,  C09D11/54

    摘要： An inkjet recording method which suppresses feathering and color bleeding and is excellent in fixability to a recording medium. The inkjet recording method comprises the steps off:
    applying an ink-receiving solution prepared by dissolving in an aqueous solvent at least one metal salt having a water solubility of 0.1 mol/l or more, selected from calcium salts, magnesium salts, nickel salts and zinc salts having a valence of 2 or more, to at least the surface to be printed by using an inkjet ink or the entire surface of a recording medium; and
    printing on the metal salt adhered part by using the inkjet ink comprising at least a pigment, a resin emulsion and an aqueous solvent containing a surfactant, wherein
    a phosphorus-containing group having at least one P-O or P=O bond is bound to the surface of the pigment.

    摘要翻译： 一种喷墨记录方法，其抑制羽化和褪色，并且对记录介质的定影性优异。 所述喷墨记录方法包括以下步骤：将通过溶解在水性溶剂中制备的至少一种水溶性为0.1mol / l或更高的选自钙盐，镁盐，镍盐和 通过使用喷墨油墨或记录介质的整个表面，至少在要印刷的表面上形成具有2或更高价的锌盐; 并且通过使用包含至少一种颜料，树脂乳液和含有表面活性剂的含水溶剂的喷墨油墨在金属盐粘附部分上印刷，其中含有至少一个PO或P = O键的含磷基团与 颜料表面。

    INKJET RECORDING METHOD AND INK SET FOR INKJET RECORDING
    6.
    发明公开
    INKJET RECORDING METHOD AND INK SET FOR INKJET RECORDING 有权
    TINTENSTRAHLAUFZEICHNUNGSVERFAHREN UND TINTENSATZ ZUR TINTENSTRAHLAUFZEICHNUNG

    公开(公告)号：EP2692537A1

    公开(公告)日：2014-02-05

    申请号：EP12763759.3

    申请日：2012-03-27

    申请人： Dai Nippon Printing Co., Ltd. ,  DNP Fine Chemicals Co., Ltd.

    发明人： INUMARU, Masaki ,  MIYATA, Eiichi ,  OTOMARU, Takao ,  SUGITA, Yukio ,  TAMURA, Mitsuyoshi ,  YAMAZAKI, Fumie ,  SHIRAISHI, Naoki

    IPC分类号： B41M5/00 ,  B41J2/01 ,  C09D11/00

    CPC分类号： B41J2/2114 ,  B41J2/2107 ,  B41M5/0017 ,  B41M5/0023 ,  B41M5/5218 ,  C09D11/322 ,  C09D11/40 ,  C09D11/54

    摘要： Provided is an inkjet recording method which minimizes blur and achieves excellent fixing to a recoding medium. This inkjet recording method is characterized by adhering a receiving solution (A) to at least areas on a recording medium (R) which are to be printed with an inkjet ink (I) or the whole surface of the medium (R) which is to be printed, said receiving solution (A) being a solution obtained by dissolving (inclusive of dispersing) one or more metal salts (S) selected from among at least divalent, calcium salts, magnesium salts, nickel salts, aluminum salts, boron salts, and zinc salts and one or more resins (B) having hydrophilic groups in an aqueous solvent in such amounts that the concentrations of the metal salts (S) and the resins (B) fall within the range of 0.005 to 2.0mol/l and within the range of 0.5 to 20 mass% respectively, and then applying the inkjet ink (I) to areas where the metal salts are present in an adhered state to carry out printing. Said inkjet ink (I) is an ink which comprises a pigment (P), an anionic resin emulsion (E), and an aqueous solvent, and in which phosphorus-containing groups each having at least one P-O or P=O bond are bonded to the surface of the pigment (P) or the surface of the anionic resin emulsion (E).

    摘要翻译： 提供了使模糊最小化并且实现对记录介质的优良固定的喷墨记录方法。 该喷墨记录方法的特征在于，将接收溶液（A）粘附到要用喷墨油墨（I）或要介质（R）的整个表面的记录介质（R）上的至少区域 所述接收溶液（A）是通过将选自至少二价，钙盐，镁盐，镍盐，铝盐，硼盐等中的一种或多种金属盐（S）溶解（包括分散）而获得的溶液， 和锌盐和一种或多种在水性溶剂中具有亲水基团的树脂（B），其量使得金属盐（S）和树脂（B）的浓度在0.005-2.0mol / l的范围内， 分别为0.5〜20质量％的范围，然后将喷墨油墨（I）以粘附状态存在于金属盐的区域进行印刷。 所述喷墨油墨（I）是包含颜料（P），阴离子树脂乳液（E）和水性溶剂的油墨，其中各自具有至少一个PO或P = O键的含磷基团键合 到颜料（P）的表面或阴离子树脂乳液（E）的表面。

    INK COMPOSITION
    7.
    发明公开
    INK COMPOSITION 审中-公开
    油墨组成

    公开(公告)号：EP2484727A1

    公开(公告)日：2012-08-08

    申请号：EP10820632.7

    申请日：2010-09-30

    申请人： Dai Nippon Printing Co., Ltd. ,  DNP Fine Chemicals Co., Ltd.

    发明人： SHIODA, Satoshi ,  ISHITOBI, Tatsuro ,  OTOMARU, Takao ,  MATSUO, Rumiko ,  MIYATA, Eiichi ,  INUMARU, Masaki ,  SUGITA, Yukio ,  YAMAZAKI, Fumie ,  SHIRAISHI, Naoki ,  TAMURA, Mitsuyoshi

    IPC分类号： C09D11/00 ,  B41J2/01 ,  B41M5/00 ,  C09C1/00 ,  C09C3/08

    CPC分类号： C09D11/322 ,  B82Y30/00 ,  C01P2004/62 ,  C01P2004/64 ,  C09C1/56 ,  C09D11/324 ,  Y10T428/24802

    摘要： A main object of the present invention is to provide an ink composition which has superior storage stability, is resistant to bleeding, and has good fixability to paper, enables printing of a clear image. In the present invention, the above objecct can be attained by providing an ink composition comprising a pigment dispersion containing a surface-treated pigment and a resin emulsion, wherein: the surface-treated pigment is obtained by binding a functional group, having a larger calcium index than a calcium index of 1, 2, 3-benzenetricarboxylic acid, to the surface of a pigment; and the resin emulsion is adapted so that an aqueous solution containing 1 mass % of a solid content of the resin emulsion has a conductance of 300 µS/cm or less.

    摘要翻译： 本发明的主要目的在于提供具有优异的保存稳定性，耐渗色性，对纸张的定影性良好，能够印刷清晰的图像的油墨组合物。 在本发明中，通过提供包含含有表面处理过的颜料和树脂乳液的颜料分散体的油墨组合物可获得上述目的，其中：表面处理过的颜料是通过将具有较大钙的官能团 指数比1,2,3-苯三甲酸的钙指数高的指数到颜料的表面; 并且树脂乳液适合使得包含1质量％树脂乳液的固体内容物的水溶液具有300μS/ cm或更小的电导率。