高岭土对水性油墨印刷适性的影响研究

目的 探究高岭土加入调墨油中对水性油墨印刷适性影响。方法 使用高岭土制备冲淡剂，然后加入不同含量的冲淡剂配置3种调墨油，再将这3种调墨油与5种不同的色浆分别配置成油墨，最后从防滑度、黏度、pH值、鼓泡、沉底、细度、呈色效果等方面考察其印刷适性。结果 冲淡剂加入调墨油中会稍微降低水性防滑油墨的防滑度，但不影响油墨的pH值、细度和呈色效果。样2调墨油由于冲淡剂含量较大，所以沉底现象很明显，可能会影响到油墨的印刷适性。结论 使用质量分数为10%～12%调墨油配置的水性油墨满足印刷要求，对水性油墨的配置及使用范围具有一定参考意义。

Effect of Kaolin on Printability of Water-based Ink

The work aims to investigate the effect of kaolin added into varnish on the printability of water-based ink. Kaolin was used to prepare diluent and then different contents of diluent were applied to compound 3 kinds of varnish which were mixed with 5 different types of colorants to prepare ink. Eventually, the printability of these inks was investigated from the aspects of slip resistance, viscosity, pH value, bubbling, deposit, fineness and color rendering effect. The addition of diluent to varnish slightly reduced the slip resistance of water-based anti-slip ink, but did not affect the pH value, fineness and color rendering effect of ink. However, the ink sample 1 with large content of diluent caused an obvious deposit, which might affect the printability. The water-based ink prepared with 10%-12% varnish can meet the printing requirements, which has certain reference significance for the preparation and application range of water-based ink.