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    • 1. 发明授权
    • Aqueous ink for ink-jet printing
    • 用于喷墨印刷的水性油墨
    • US4620876A
    • 1986-11-04
    • US790648
    • 1985-10-24
    • Tadashi FujiiKakuji MurakamiEiichi AkutsuTamotsu Aruga
    • Tadashi FujiiKakuji MurakamiEiichi AkutsuTamotsu Aruga
    • C09D11/00C09D11/02
    • C09D11/30C09D11/328Y10S534/01
    • An aqueous ink for ink-jet printing comprising at least a water-soluble dye, a water-soluble organic solvent, a water-soluble preservative and anti-mold agent, and water, wherein(1) the water-soluble dye is a mixture of dye compounds I and II and/or III, the peak ratio of I/II and/or III of the water-soluble dye measured by liquid chromatography is in the range of 0.9 to 3.0; the total concentration of NaCl and Na.sub.2 SO.sub.4 contained in the water-soluble dye is 3.0 wt. % or less; and the concentration of Ca contained therein is 120 ppm or less;(2) the water-soluble organic solvent is a mixture consisting essentially of glycerin and at least one glycol selected from the group consisting of ethylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol and polyethylene glycol, with the content ratio of (the glycerin:the glycol) being in the range of (1:1) to (1:5) in terms of parts by weight, and the concentration of the water-soluble organic solvent in the aqueous ink is in the range of 10 wt. % to 30 wt. %; and(3) the surface tension of said aqueous ink is 50 dynes/cm or more.
    • 一种用于喷墨印刷的水性油墨,其至少包含水溶性染料,水溶性有机溶剂,水溶性防腐剂和抗霉化剂以及水,其中(1)水溶性染料是混合物 的染料化合物I和II和/或III,通过液相色谱测量的水溶性染料的I / II和/或III的峰值比在0.9至3.0的范围内; 水溶性染料中含有的NaCl和Na2SO4的总浓度为3.0重量%。 % 或更少; 其中所含的Ca的浓度为120ppm以下; (2)水溶性有机溶剂是主要由甘油和至少一种选自乙二醇,二甘醇,三甘醇,四甘醇和聚乙二醇的二醇组成的混合物,其含量(甘油 :乙二醇)的重量比在(1:1)〜(1:5)的范围内,水溶性有机溶剂在水性油墨中的浓度为10重量% %〜30重量% %; 和(3)所述水性油墨的表面张力为50达因/厘米或更高。
    • 6. 发明授权
    • Aqueous ink for ink jet printing
    • 用于喷墨印刷的水性油墨
    • US4581071A
    • 1986-04-08
    • US708651
    • 1985-03-06
    • Eiichi AkutsuKakuji MurakamiTamotsu Aruga
    • Eiichi AkutsuKakuji MurakamiTamotsu Aruga
    • C09D11/00C09D11/328C09D11/38
    • C09D11/17C09D11/328
    • An aqueous ink is disclosed, which comprises a first magenta dye having the formula (I), a second magenta dye having the formula (II), a water-soluble organic solvent having a boiling point of 100.degree. C. or higher, water and a preservative and anti-mold agent: ##STR1## wherein R.sup.1 and R.sup.2 each represent ##STR2## (in which R.sup.5, R.sup.6, R.sup.7 and R.sup.8 each represent a lower alkyl group, an amino group, a sulfonic acid group in the form of an alkali metal salt, or a carboxyl group in the form of an alkali metal salt); R.sup.3 and R.sup.4 each represent a lower alkyl group, an amino group, a sulfonic acid group in the form of an alkali metal salt, or a carboxyl group in the form of an alkali metal salt; and k, l, m and n each represent an integer of 0, 1 or 2.
    • 公开了一种水性油墨,其包含具有式(I)的第一品红染料,具有式(II)的第二品红染料,沸点为100℃或更高的水溶性有机溶剂,水和 防腐剂和防霉剂:其中R 1和R 2各自表示(其中R 5,R 6,R 7和R 8各自表示低级烷基,氨基, 碱金属盐形式的磺酸基或碱金属盐形式的羧基); R3和R4各自表示低级烷基,氨基,碱金属盐形式的磺酸基或碱金属盐形式的羧基; 并且k,l,m和n各自表示0,1或2的整数。