We herein reported the preparation of an eco-friendly aqueous yellow ceramic ink and subsequent examination of its printability for ink-jet printing applications. For this purpose, a water based ceramic ink was formulated using ceramic pigments to give a clear color during high-temperature heat treatment (>1000 °C), ultimately yielding an ink suitable for application in ceramic tile decoration. To improve the low dispersion stability of the aqueous ceramic ink compared to that of a conventional organic solvent-based ceramic ink, the pigment particles were dispersed using a graft polymer. More specifically, this graft polymer was composed of polyacrylic acid as the main chain to provide electrostatic repulsion and grafted poly(ethylene glycol) methyl ether methacrylate as the side chain to provide steric hindrance. Furthermore, additive-induced foaming issues were significantly reduced through the use of this graft polymer as a surfactant. The effects of the rheological properties of the prepared ceramic ink and the subsequent operation conditions of the piezoelectric print head were then investigated in detail to optimize the ink jettability and printability.

中文翻译：

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用于数字喷墨打印的含接枝聚合物的水性黄色陶瓷油墨的配方

我们在此报道了一种环保的水性黄色陶瓷油墨的制备方法，并随后检测了其在喷墨印刷应用中的可印刷性。为此，使用陶瓷颜料配制水基陶瓷油墨，在高温热处理（> 1000°C）期间呈现清晰的颜色，最终产生适合用于瓷砖装饰的油墨。与传统的有机溶剂基陶瓷油墨相比，为了改善水性陶瓷油墨的低分散稳定性，使用接枝聚合物分散颜料颗粒。更具体地说，该接枝聚合物由聚丙烯酸作为主链以提供静电排斥和接枝聚(乙二醇)甲基醚甲基丙烯酸酯作为侧链以提供空间位阻。此外，通过使用这种接枝聚合物作为表面活性剂，添加剂引起的起泡问题显着减少。然后详细研究了制备的陶瓷墨水的流变性能和压电打印头的后续操作条件的影响，以优化喷墨性能和打印性能。