Printing method and ink compositions therefor

摘要

There is provided ink compositions each comprising 3 % by weight of each of standard dyes Solvent Yellow 83, Solvent Blue 44 and Solvent Red 127 in a solvent composition comprising 50 % by volume of each of 2-propylene glycol 1-methyl ether and methanol. The resulting filtered solutions were loaded into ink jet cartridges which were installed in an ink jet printing machine. Anodized aluminium sheet having a uniformly anodized surface is printed in the ink jet printing machine. The printed sheet is immersed in boiling water for ten minutes to fix the dye in the surface of the sheet, the print exhibiting sharp printing approaching photolithographic resolution and superior to average screen prints, with reduced bleeding and migration.