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    • 5. 发明授权
    • Active energy ray-curable ink, ink cartridge containing ink, image or cured product forming method, and image or cured product forming device
    • 活性能量射线固化油墨,含有油墨的墨盒,图像或固化产物形成方法,以及图像或固化产物形成装置
    • US09051481B2
    • 2015-06-09
    • US14474781
    • 2014-09-02
    • Mie YoshinoTakao HiraokaShizuka Kohzuki
    • Mie YoshinoTakao HiraokaShizuka Kohzuki
    • G01D11/00C09D11/101B41J2/01C09D11/30
    • C09D11/101B41J2/01C09D11/30C09D11/322C09D11/324
    • An active energy ray-curable ink which contains: polymerizable compounds containing a monofunctional polymerizable monomer a homopolymer of which has Tg of 90° C. or higher, wherein a cured product obtained by forming a coating film having an average thickness of 10 μm on a polycarbonate substrate using the ink, and 15 seconds later, and applying active energy rays having a light quantity of 1,500 mJ/cm2 to the coating film to cure satisfies the following (1) and (2): (1) a stretchability of the cured product represented by the following equation is 2 or greater, when the cured product is stretched by a tensile tester at a tensile speed of 20 mm/min, and temperature of 180° C., and Stretchability=(length after tensile test)/(length before tensile test) (2) adhesion between the substrate and the cured product as measured by a cross-cut test in accordance with JIS K5400 is 70 or greater.
    • 一种活性能量射线固化型油墨,其含有:含有Tg为90℃以上的均聚物的单官能性聚合性单体的聚合性化合物,其中,将通过在平均厚度为10μm的涂膜上形成的固化物 使用该油墨的聚碳酸酯基板15秒钟后,向涂膜施加光量为1,500mJ / cm 2的活性能量射线,使其固化,满足以下(1)和(2):(1)固化的 当拉伸试验机以拉伸速度为20mm / min,温度为180℃,伸长率=(拉伸试验后的长度)/(拉伸试验机)拉伸固化产物时,由下式表示的产物为2以上, 拉伸试验前的长度)(2)根据JIS K5400的横切试验测定的基材与固化物的粘合性为70以上。