METHOD FOR ENHANCING DYEING DENSITY USING TEXTILE PRINTING INK CONTAINING WATER-SOLUBLE AZO COMPOUND OR SALT THEREOF

摘要

To obtain a textile-printed article with a high density using a small amount of ink, with excellent coloring properties.SOLUTION: The invention provides a method for enhancing a dyeing density using textile printing ink containing: a water-soluble azo compound represented by a formula (1) in the figure, a salt thereof, or a mixture of them; water; and water-soluble organic solvent. (In the formula, x represents an integer from 2 to 4; A and Q each represent a halogen atom.)SELECTED DRAWING: None