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    • 3. 发明授权
    • Aqueous ink for inkjet printing
    • 用于喷墨印刷的水性油墨
    • US5852074A
    • 1998-12-22
    • US806236
    • 1997-02-24
    • Takehiro TsutsumiMichitaka Sawada
    • Takehiro TsutsumiMichitaka Sawada
    • C08F2/44C08F230/08C08F290/04C08F290/14C09D11/00C09D11/10
    • C09D11/30C08F230/08C08F290/044C08F290/148
    • An aqueous inkjet printing ink with excellent water resistance, wherein scorching onto a printer head scarcely occurs, the amount of a hydrophobic dye contained in an aqueous dispersion of a vinyl polymer can be increased, and sharp printed letters having deep color can be provided. The aqueous ink product for inkjet printing comprises a dispersion of a vinyl polymer obtained by copolymerizing one or more selected from a silicone macromer, an acrylamide monomer and a methacrylamide monomer (not having a salt-forming group), or a styrene macromer of a styrene homopolymer or a styrene copolymer having a polymerizable functional group at one terminal end, a polymerizable unsaturated monomer having the salt-forming group, and a monomer capable of polymerizing with these monomers in the presence of a radical polymerization initiator, a hydrophobic dye being contained in the dispersion.
    • 具有优异的耐水性的水性喷墨印刷油墨,其中几乎不发生烧焦到打印机头上,可以提高乙烯基聚合物的水性分散体中含有的疏水性染料的量,并且可以提供具有深色的清晰的印刷字母。 用于喷墨印刷的水性油墨产品包括通过共聚选自硅氧烷大分子单体,丙烯酰胺单体和甲基丙烯酰胺单体(不具有成盐基团)的一种或多种而获得的乙烯基聚合物的分散体或苯乙烯的苯乙烯大分子单体 在一末端具有聚合性官能团的苯乙烯均聚物或苯乙烯共聚物,具有成盐基团的可聚合不饱和单体和能够在自由基聚合引发剂存在下与这些单体聚合的单体,疏水性染料包含在 分散体。
    • 6. 发明授权
    • Ink set
    • 油墨套
    • US07396863B2
    • 2008-07-08
    • US10169201
    • 2000-12-26
    • Yukihiro NakanoShigeki NagashimaHiroki KuboMichitaka Sawada
    • Yukihiro NakanoShigeki NagashimaHiroki KuboMichitaka Sawada
    • C09D11/00
    • C09D11/30C08F290/06C08F290/062C09D11/40
    • An ink set comprising a black ink and a color ink, wherein the black ink comprises an aqueous dispersion of water-insoluble vinyl polymer particles containing an oil-soluble black dye or carbon black, the vinyl polymer particles have an ionicity opposite to that of the color ink, and the vinyl polymer comprises a water-insoluble vinyl polymer prepared by copolymerizing (a) a salt forming group-containing monomer, (b) a monomer represented by the formula (I): CH2═C(R1)COO(R2O)pR3   (I) wherein R1 is hydrogen atom or a lower alkyl group, R2 is a divalent hydrocarbon group which may have a hetero-atom, R3 is a monovalent hydrocarbon group which may have a hetero-atom, and p is a number of 1 to 60, (c) a macromer, and (d) a monomer copolymerizable with these monomers. The ink set can be used as an ink set for inkjet recording, which is excellent in not only fixing abilities and water resistance, but also bleeding resistance and jettability, and can form very clear printouts.
    • 一种包含黑色油墨和彩色油墨的油墨组合物,其中黑色油墨包含含有油溶性黑色染料或炭黑的水不溶性乙烯基聚合物颗粒的水性分散体,所述乙烯基聚合物颗粒的离子性与 彩色油墨和乙烯基聚合物包含通过共聚合(a)含成盐基团的单体,(b)由式(I)表示的单体而制备的水不溶性乙烯基聚合物: “在线公式”end =“lead”?> CH 2 2 -C(R 1)COO(R 2 O)其中R 1 = 是氢原子或低级烷基,R 2是可以具有杂原子的二价烃基,R 3是可以具有杂原子的一价烃基 原子,p是1至60的数,(c)大分子单体,和(d)可与这些单体共聚的单体。 油墨组可用作喷墨记录用油墨组,其不仅具有优异的定影能力和耐水性,而且具有优异的耐渗色性和可喷射性,并且可以形成非常清晰的打印输出。
    • 8. 发明授权
    • Water-based ink for ink-jet recording
    • 水性墨水用于喷墨记录
    • US06852777B1
    • 2005-02-08
    • US09623166
    • 1999-12-28
    • Yukihiro NakanoIsao TsuruKohji AzumaMichitaka SawadaTakehiro Tsutsumi
    • Yukihiro NakanoIsao TsuruKohji AzumaMichitaka SawadaTakehiro Tsutsumi
    • C09D11/00C09D11/322C09D11/10C08L25/08
    • C09D11/32
    • A water-based ink for inkjet printing comprising a water dispersion of vinyl polymer particles prepared by containing a pigment in a vinyl polymer prepared by copolymerizing a monomer mixture comprising (a) a salt-forming group-containing monomer, (b) a macromer, and (c) a monomer copolymerizable with the salt-forming group-containing monomer and the macromer; and a process for preparing a water-based ink for inkjet printing comprising a water dispersion of vinyl polymer particles prepared by containing a pigment in a vinyl polymer, comprising dissolving in an organic solvent a vinyl polymer prepared by copolymerizing a monomer mixture comprising (a) a salt-forming group-containing monomer, (b) a macromer, and (c) a monomer copolymerizable with the salt-forming group-containing monomer and the macromer; adding a pigment to the resulting solution; pre-kneading the mixture; thereafter adding a neutralizing agent and water and kneading the mixture, to give an oil-in-water dispersion; and distilling off the organic solvent from the resulting kneaded product.
    • 一种用于喷墨印刷的水性油墨,其包含乙烯基聚合物颗粒的水分散体,该乙烯基聚合物颗粒通过在包含(a)含有成盐基团的单体,(b)大分子单体, 和(c)可与含有成盐基团的单体和大分子单体共聚的单体; 以及制备用于喷墨印刷的水性油墨的方法,其包括通过在乙烯基聚合物中含有颜料制备的乙烯基聚合物颗粒的水分散体,包括在有机溶剂中溶解通过共聚单体混合物制备的乙烯基聚合物,所述单体混合物包含(a) 含成盐基团的单体,(b)大分子单体和(c)可与含有成盐基团的单体和大分子单体共聚的单体; 向所得溶液中加入颜料; 预混合混合物; 然后加入中和剂和水,并捏合混合物,得到水包油分散体; 并从所得捏合产物中蒸除有机溶剂。
    • 9. 发明授权
    • Water-based ink for ink-jet recording
    • 水性墨水用于喷墨记录
    • US06758559B1
    • 2004-07-06
    • US10111678
    • 2002-04-26
    • Yukihiro NakanoMichitaka Sawada
    • Yukihiro NakanoMichitaka Sawada
    • B41J201
    • B41M5/0023C08F290/02C08F290/062C09D11/30C09D11/324C09D11/326
    • A water-based ink for inkjet printing, including (A) an aqueous dispersion A of vinyl polymer particles prepared by including an oil-soluble black dye or carbon black in a water-insoluble vinyl polymer prepared by copolymerizing a salt-forming group-containing monomer (a), a monomer (b) represented by the formula (I): CH2═C(R1)COO(R2O)pR3  (I) wherein R1 is hydrogen atom or a lower alkyl group; R2 is a divalent hydrocarbon group which may have a hetero-atom; R3 is a monovalent hydrocarbon group which may have a hetero-atom; p is a number of 1 to 60, a macromer (c), a monomer (d) copolymerizable with these monomers; and (B) an aqueous dispersion B of carbon black having the same ionicity as the aqueous dispersion A, wherein the weight ratio of the solid content of the aqueous dispersion A to the solid content of the aqueous dispersion B (the solid content of the aqueous dispersion A/the solid content of the aqueous dispersion B) is 5/95 to 95/5.
    • 一种用于喷墨印刷的水性油墨,包括(A)通过在水不溶性乙烯基聚合物中包含油溶性黑色染料或炭黑制备的乙烯基聚合物颗粒的水性分散体A,其通过将含有成盐基团的 单体(a),由式(I)表示的单体(b):其中R 1是氢原子或低级烷基; R 2是可以具有杂原子的二价烃基; R 3是可以具有杂原子的一价烃基; p是1至60的数,大分子单体(c),可与这些单体共聚的单体(d); 和(B)与水分散体A具有相同离子性的炭黑的水性分散体B,其中水分散体A的固体含量与水分散体B的固体含量的重量比(水分散体的固体含量 分散体A /水分散体B)的固体成分为5/95〜95/5。