Disclosed are an inkjet ink composition with superior storage stability and re-dispersibility, a method for producing the same, and an inkjet recording method.
The inkjet ink composition contains an organic pigment and a basic polymer dispersant, wherein the organic pigment contains a benzimidazolone-based pigment or a bisacetoacetarylide-based pigment, and the basic polymer dispersant includes a polymer dispersant having a weight average molecular weight of 10,000 to 80,000 (dispersant A), and a polymer dispersant having a weight average molecular weight of 100,000 to 200,000 (dispersant B).
本发明公开了一种具有优异储存稳定性和再分散性的喷墨墨
水组合物、其生产方法以及喷墨记录方法。
喷墨墨
水组合物包含
有机颜料和碱性聚合物分散剂,其中
有机颜料包含
苯并咪唑酮类颜料或
双乙酰丙
酮类颜料,碱性聚合物分散剂包括重量平均分子量为 10,000 至 80,000 的聚合物分散剂(分散剂 A)和重量平均分子量为 100,000 至 200,000 的聚合物分散剂(分散剂 B)。