Disclosed are jet ink compositions comprising water, a water soluble or dispersible polymeric resin, a colorant having infrared absorption in the range of 700 - 1100 nm, an alkylene glycol having 3-6 carbon atoms, and at least one mono- or di-alkyl ether of an alkylene glycol having 2-6 carbon atoms wherein the alkyl group consists of 1-6 carbon atoms, the jet ink compositions having a surface tension of less than 35 dynes/cm. An improved method of jet printing is also disclosed, the improvement comprising using the inventive ink composition.
本发明公开了喷墨组合物,该组合物包含
水、
水溶性或可分散性聚合
树脂、红外线吸收范围在 700 - 1100 nm 之间的
着色剂、具有 3-6 个碳原子的亚烷基二醇和至少一种具有 2-6 个碳原子的亚烷基二醇的单烷基或二烷基醚,其中烷基由 1-6 个碳原子组成,该喷墨组合物的表面张力小于 35 达因/厘米。还公开了一种改进的喷射印刷方法,该改进方法包括使用本发明的油墨组合物。