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    • 3. 发明授权
    • Ink composition providing image excellent in light stability
    • 油墨组合提供光稳定性优异的图像
    • US06972303B1
    • 2005-12-06
    • US09486129
    • 1999-06-24
    • Toshiyuki MiyabayashiShinichi Kato
    • Toshiyuki MiyabayashiShinichi Kato
    • B41J2/165B41J2/17B41J2/175C09D11/00C09D11/023C09D11/033C09D11/037C09D11/10C09D11/101C09D11/104C09D11/106C09D11/107C09D11/108C09D11/322C09D11/38C08K9/10C08L39/00C08L45/00
    • C09D11/30
    • Disclosed are a colorant which can realize an ink compositions possessing excellent lightfastness, waterfastness, color development, and rubbing/scratch resistance, and an ink composition containing the same. The ink composition comprises at least a colorant, a polymer covering the colorant and having, in its molecular chain, sites possessing ultraviolet absorbing activity and/or photostabilizing activity, water, and a water-soluble organic solvent. The ink composition according to the present invention include two preferred embodiments. In the ink composition according to the first preferred embodiment, the polymer functions as a dispersant and covers the colorant. In the ink composition according to the second preferred embodiment, the polymer is in the form of fine particles covering the colorant. Further, the colorant comprises: a dye or a pigment; and a polymer covering the colorant and having, in its molecular chain, sites possessing ultraviolet absorbing activity and/or photostabilizing activity, the dye or the pigment being in the form of fine particles.
    • 公开了可以实现具有优异的耐光性,耐水性,显色性和耐擦擦性的油墨组合物的着色剂和含有该油墨组合物的油墨组合物。 油墨组合物至少包含着色剂,覆盖着色剂的聚合物,并且在其分子链中具有具有紫外线吸收活性和/或光稳定活性的部位,水和水溶性有机溶剂。 根据本发明的油墨组合物包括两个优选的实施方案。 在根据第一优选实施方案的油墨组合物中,聚合物用作分散剂并覆盖着色剂。 在根据第二优选实施方案的油墨组合物中,聚合物是覆盖着色剂的细颗粒的形式。 此外,着色剂包括:染料或颜料; 和覆盖着色剂的聚合物,并且在其分子链中具有具有紫外线吸收活性和/或光稳定活性的部位,染料或颜料呈细颗粒形式。
    • 5. 发明授权
    • Ink jet recording method and ink set therefor
    • 喷墨记录方法和墨水设置
    • US06864302B2
    • 2005-03-08
    • US09952033
    • 2001-09-12
    • Toshiyuki Miyabayashi
    • Toshiyuki Miyabayashi
    • C09D11/00C09D11/10B41J2/01C08K9/10
    • C09D11/40
    • An ink jet recording method comprising a step of bringing a first ink composition into contact with a second ink composition on a recording medium to form an aggregate, wherein the first ink composition comprises at least a water-soluble organic solvent, water and a coloring agent comprising a coloring material enclosed with a polymer having an anionic group, and wherein the second ink composition comprising at least a water-soluble organic solvent, water and a coloring agent comprising a coloring material enclosed with a polymer having a cationic group. Also disclosed are ink sets suitable for the ink jet recording method.
    • 一种喷墨记录方法,包括使第一油墨组合物与记录介质上的第二油墨组合物接触以形成聚集体的步骤,其中所述第一油墨组合物至少包含水溶性有机溶剂,水和着色剂 包括用具有阴离子基团的聚合物包封的着色材料,并且其中所述第二油墨组合物至少包含水溶性有机溶剂,水和着色剂,所述着色剂包含用具有阳离子基团的聚合物包封的着色材料。 还公开了适用于喷墨记录方法的油墨组。
    • 8. 发明授权
    • Encapsulated matter comprising multiple polymeric coatings of opposite charges and production process thereof
    • 包含多个具有相反电荷的聚合物涂层及其制造方法的封装物
    • US07407706B2
    • 2008-08-05
    • US11238831
    • 2005-09-29
    • Toshiyuki MiyabayashiMakoto Nagase
    • Toshiyuki MiyabayashiMakoto Nagase
    • B32B5/16B05D5/00
    • B01J13/22B01J13/14C01P2004/62C01P2004/64C08F2/44C09B67/0013C09C3/10C09D11/30Y10T428/2998Y10T428/30
    • The present invention relates to encapsulated matter comprising a core material having a charge on a surface thereof and a plurality of coating layers each mainly comprising a polymer with which the core material is coated, the layers comprising at least a first coating layer and a second coating layer, wherein the polymer constituting the first coating layer which contacts the core material comprises at least: (1) a repeating structural unit derived from an ionic polymerizable surfactant A and/or an ionic monomer, each having a charge opposite to the surface charge of the core material; and (2) a repeating structural unit derived from an ionic polymerizable surfactant B having a charge of the same kind as or opposite to the surface charge of the core material, and the polymer constituting the second coating layer which contacts the outside of the first coating layer comprises at least: (3) a repeating structural unit derived from an ionic polymerizable surfactant C and/or an ionic monomer, each having a charge opposite to the surface charge of the first coating layer; and (4) a repeating structural unit derived from an ionic polymerizable surfactant D having a charge of the same kind as or opposite to the surface charge of the first coating layer.
    • 本发明涉及包含在其表面具有电荷的核心材料的包封材料和多个涂层,每个涂层主要包含涂覆有芯材料的聚合物,该层包括至少第一涂层和第二涂层 其中构成与芯材料接触的第一涂层的聚合物至少包括:(1)衍生自离子可聚合表面活性剂A和/或离子单体的重复结构单元,其各自具有与表面电荷相反的电荷 核心材料; 和(2)衍生自具有与芯材的表面电荷相同或相反的电荷的离子可聚合表面活性剂B的重复结构单元,以及构成第二涂层的聚合物,其与第一涂层的外部接触 至少包括:(3)衍生自离子可聚合表面活性剂C和/或离子单体的重复结构单元,每个具有与第一涂层的表面电荷相反的电荷; 和(4)衍生自具有与第一涂层的表面电荷相同或相反的电荷的离子可聚合表面活性剂D的重复结构单元。