Improved method of dye clearing textiles

• Main Authors: ELLIS, DAVID JOHN, BROWN, NICHOLAS
• Format: Patent
• Language: Chinese; English
• Published: 11.09.2021
• Subjects: DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM; DYEING OR PRINTING TEXTILES; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; LAUNDERING; TEXTILES; TREATMENT OF TEXTILES OR THE LIKE

A process to remove excess dye from dyed polyester fabric comprising adding a solution of a weak organic acid to the fabric in a dyeing vessel, raising the temperature in the vessel to at least 80° C., allowing the acid to react with the fabric for at least 6 minutes and removing all liquid.