Patent ID: 8129321
Filing Date: 2012-03-06
Classification: B41J,C11D

Abstract:
1. A liquid composition for cleaning a nozzle surface, the composition comprising: a solvent; and a polyoxyethyleneglycol-based compound, wherein the amount of the polyoxyethyleneglycol-based compound is about 0.1 to about 20 parts by weight based on 100 parts by weight of the solvent, wherein the polyoxyethyleneglycol-based compound is represented by Formula 1: wherein X is a connecting group, O, S, C═O, or a substituted or unsubstituted C1-C20 alkylene group, wherein Ar is a C6-C30 substituted or unsubstituted arylene group, or a C2-C30 substituted or unsubstituted heteroarylene group, wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are each independently, hydrogen, halogen, a carboxylic group, a cyano group, an amino group, a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C1-20 alkoxy group, a substituted or unsubstituted C2-20 alkenyl group, a substituted or unsubstituted C2-20 alkynyl group, a substituted or unsubstituted C1-20 heteroalkyl group, a substituted or unsubstituted C6-C30 aryl group, or a substituted or unsubstituted C4-30 heteroaryl group, wherein m and n are each independently an integer in the range of 1 to 10, and wherein a viscosity of the liquid composition is equal to or less than a viscosity of ink of the nozzle surface.