An ink composition including a metal nanoparticle; a viscous heat decomposable liquid, wherein the viscous heat decomposable liquid imparts a desired viscosity to the ink composition and which evaporates at a sintering temperature of the metal nanoparticle; an optional solvent; wherein the ink composition has a metal content of less than about 25 percent by weight, based upon the total weight of the ink composition; and wherein the ink composition has a viscosity of from about 50 to about 200 centipoise at a temperature of about 20 to about 30 °C. A process for preparing the ink composition and for printing the ink composition. A flexographic printing process or gravure printing process including the ink composition.
一种油墨组合物,包括
金属纳米粒子;一种粘性热分解液体,其中粘性热分解液体赋予油墨组合物所需的粘度,并在
金属纳米粒子的烧结温度下蒸发;一种任选溶剂;其中,基于油墨组合物的总重量,油墨组合物的
金属含量小于约25%(重量百分比);以及其中,在约20至约30℃的温度下,油墨组合物具有约50至约200厘泊的粘度。制备油墨组合物和印刷油墨组合物的工艺。包括该油墨组合物的柔版印刷工艺或凹版印刷工艺。