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    • 4. 发明申请
    • INK COMPOSITION
    • 墨水组合物
    • US20140364548A1
    • 2014-12-11
    • US14465917
    • 2014-08-22
    • OCE-TECHNOLOGIES B.V.
    • Roelof H. EVERHARDUSGerardus C. P. VERCOULENJohannes F. J. VAN GAGELDONKJohan P. J. LENDERSAntonius P. M. M. VAN ROY
    • C09D11/38C08K13/00
    • C09D11/38C08K13/00C09D11/322
    • The present invention relates to an ink composition suitable for being ejected from an inkjet marking device at an operating temperature. The ink composition comprises a water-dispersible resin and has a dynamic surface tension of below 35 mN/m and a static surface tension of above 21 mN/m both determined at the operating temperature. The ink composition may comprise a mixture of water-soluble organic solvents having a difference in the relative dielectric constant of more than 5, preferably between 10 and 50. The ink composition may comprise a polymeric cosolvent, in particular a polyethylene glycol or polyethylene glycol (di)methyl ether. The ink composition may comprise a mixture of surfactants comprising at least one surfactant of a first type selected from the group consisting of acetylene glycols and ethoxylated acetylene glycols and at least one surfactant of a second type selected from the group consisting of silicone surfactants and fluorochemical surfactants.
    • 本发明涉及一种适于在工作温度下从喷墨打印装置喷出的油墨组合物。 油墨组合物包含水分散性树脂,其动态表面张力低于35mN / m,静态表面张力高于21mN / m,均在操作温度下测定。 油墨组合物可以包含相对介电常数差异大于5,优选10至50的水溶性有机溶剂的混合物。油墨组合物可包含聚合共溶剂,特别是聚乙二醇或聚乙二醇( 二)甲基醚。 油墨组合物可以包含表面活性剂的混合物,其包含至少一种选自乙炔二醇和乙氧基化乙炔二醇的第一类型的表面活性剂和至少一种选自硅氧烷表面活性剂和含氟表面活性剂的第二种表面活性剂 。