Ink and ink-applying process and apparatus using the same

摘要

Disclosed herein is an ink including a coloring material, a resin and a solvent, wherein the resin is a block copolymer of a polyvinyl ether structure having a hydrophilic segment and a hydrophobic segment, and the hydrophilic segment of the block copolymer has a number average molecular weight of 1,000 to 50,000 and an HLB value of 4 to 18.