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    • 54. 发明申请
    • INK JET RECORDING SET AND INK JET RECORDING METHOD
    • 喷墨记录装置和喷墨记录方法
    • US20090043081A1
    • 2009-02-12
    • US12162938
    • 2007-01-22
    • Yoshimitsu AraiRyoichi Nakano
    • Yoshimitsu AraiRyoichi Nakano
    • C09B62/006
    • C09B29/0037C09B29/0081C09B29/0088C09B29/0092C09B29/3639C09B29/3652C09B29/3665C09B29/3669C09B29/3691C09B33/12C09B35/03C09D11/328
    • An ink jet recording set including: an ink jet recording medium, containing a water-soluble aluminum compound and a sulfoxide compound in an ink-receiving layer on a support; and an ink, containing a dye represented by the following formula (1). In formula (1), A represents a 5-membered heterocyclic group. B1 and B2 each represent —CR1═ and —CR2═, or one represents a nitrogen atom, and the other represents —CR1═ or —CR2═. R3 and R4 each independently represent a hydrogen atom, an aliphatic group, an aromatic group, a heterocyclic group, or the like. R1 and R2 each independently represent a hydrogen atom, a halogen atom, an aliphatic group, an aromatic group, a heterocyclic group, or the like. a and e each independently represent an alkyl group, an alkoxy group, or a halogen atom. b, c, and d are each independently has the same definitions as R1 and R2. Formula (1) has at least one ionic hydrophilic group.
    • 一种喷墨记录装置,包括:在载体上的油墨接收层中含有水溶性铝化合物和亚砜化合物的喷墨记录介质; 和含有由下式(1)表示的染料的油墨。 在式(1)中,A表示5元杂环基。 B1和B2各自表示-CR1-和-CR2-,或一个表示氮原子,另一个表示-CR1或-CR2-。 R 3和R 4各自独立地表示氢原子,脂肪族基团,芳香族基团,杂环基等。 R 1和R 2各自独立地表示氢原子,卤素原子,脂肪族基团,芳香族基团,杂环基等。 a和e各自独立地表示烷基,烷氧基或卤素原子。 b,c和d各自独立地具有与R1和R2相同的定义。 式(1)具有至少一个离子亲水基团。
    • 55. 发明申请
    • Inkjet recording ink and method of inkjet recording
    • 喷墨记录油墨和喷墨记录方法
    • US20060055750A1
    • 2006-03-16
    • US10525386
    • 2003-07-01
    • Toshiki TaguchiTakashi OzawaAkio MiyamotoNaotaka Wachi
    • Toshiki TaguchiTakashi OzawaAkio MiyamotoNaotaka Wachi
    • G01D11/00
    • C09B29/0037C09B29/34C09B29/3604C09B29/3634C09B29/3647C09B29/3686C09B29/3691C09D11/32C09D11/328
    • The object of the present invention is to provide an inkjet recording ink ensuring excellent ejection stability even after aging of the ink and also exhibiting excellent weather resistance; provide an inkjet recording ink ensuring less blurring of the image drawn, in addition to excellent ejection stability and weather resistance; and provide a yellow ink and a dark yellow ink, which can contribute to realization of a pictorial quality with excellent color balance as a constituent ink of an ink set. These objects of the present invention can be achieved by an inkjet recording ink comprising an aqueous medium containing a yellow dye, particularly, a yellow dye represented by formula (1), having spectral absorption characteristics such that the maximum absorption wavelength is in the region from 390 to 470 nm and the absorption long-wave end has a tailing of a specified value or less, and antioxidative characteristics such that the ozone enforced discoloration rate constant is 5.0×10−2 [hour−1] or less. Furthermore, when the ink contains a diamino compound represented by formula (A), a carbonyl group (or sulfo group or the like)-containing cyclic compound represented by formula (B) and an organic solvent having a specific structure, the effect of the present invention is enhanced.
    • 本发明的目的是提供即使在油墨老化之后还具有优异的喷射稳定性并且还具有优异的耐候性的喷墨记录油墨; 提供喷墨记录油墨,除了优异的喷射稳定性和耐候性外,还确保较少的图像模糊; 并提供黄色油墨和深黄色油墨,其可以有助于实现具有优异的色彩平衡的图形质量作为油墨组合的构成油墨。