SOLVENT-BASED INK COMPOSITION FOR THERMAL INKJETS COMPRISING PYRROLIDINONE SOLVENT

摘要

A solvent-based ink composition for a thermal inkjet printhead. The ink composition comprises: (a) 20 - 80 wt. % of a compound of formula (A); wherein: R1 is C1-6 alkyl; and each of R2, R3 and R4 is independently selected from H, C1-6 alkyl, halogen, OH, and C1-6 alkoxy; (b) 10 - 70 wt. % of a C1-6 alcohol; and 10 (c) 0.01 - 25 wt. % of a colorant.