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    • 46. 发明申请
    • INKJET RECORDING INK
    • 喷墨记录墨水
    • US20130147876A1
    • 2013-06-13
    • US13706633
    • 2012-12-06
    • Minoru HAKIRIMitsuru NaruseMasayasu NonogakiNaoya Morohoshi
    • Minoru HAKIRIMitsuru NaruseMasayasu NonogakiNaoya Morohoshi
    • C09D11/00
    • C09D11/324
    • An inkjet recording ink including: water; a first pigment dispersion; a second pigment dispersion; and a penetrating agent, wherein the first pigment dispersion includes oxidized carbon black CB-1 dispersed therein with a pH of the first pigment dispersion adjusted to 6 to 8 with an alkali metal hydroxide, where the oxidized carbon black CB-1 is oxidized with ozone and has a volatile content of 10% to 20% and a BET specific surface area of 90 m2/g to 150 m2/g, and the second pigment dispersion includes carbon black CB-2 dispersed therein with a naphthalene sulfonic acid-formalin condensate, where the carbon black CB-2 has an average particle diameter (D50) of 50 nm to 180 nm as measured by a dynamic light scattering method and a standard deviation of particle diameters of the carbon black CB-2 is equal to or lower than ½ of the average particle diameter.
    • 一种喷墨记录油墨,包括:水; 第一种颜料分散体; 第二颜料分散体; 和渗透剂,其中第一颜料分散体包括分散在其中的氧化炭黑CB-1,其中第一颜料分散体的pH用碱金属氢氧化物调节至6至8,其中氧化的炭黑CB-1被臭氧氧化 并且具有10%至20%的挥发物含量和90m 2 / g至150m 2 / g的BET比表面积,并且第二颜料分散体包括其中分散有萘磺酸 - 甲醛缩合物的碳黑CB-2, 其中通过动态光散射法测量的碳黑CB-2的平均粒径(D50)为50nm至180nm,并且炭黑CB-2的粒径的标准偏差等于或低于1/2 的平均粒径。