Patent ID: 8586656
Filing Date: 2013-11-19
Classification: C09D

Abstract:
1. An ink composition for ink-jet printing consisting of: a pigment in an amount of 0.1 to 15 mass%, a binder resin in an amount of 0.5 to 15 mass%, a pigment dispersant in an amount of 0.1 to 15 mass%, and a solvent in an amount of 60 to 99 mass%, wherein, the solvent consists of: (i) γ-butyrolactone in an amount of 1 to 45 mass%, and (ii) dipropylene glycol monoalkyl ether in an amount of 15 to 95 mass%, the binder resin is a vinyl chloride copolymer resin, and the pigment dispersant is a polyester-polyamide resin having two or more amido groups in the one molecule thereof and a number average molecular weight of 2,000 to 15,000.