Dyeing method for raising blue color

D - Textiles – Paper – 06 – P

Patent

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D06P 1/12 (2006.01)

Patent

CA 2739519

A dyeing method for raising a blue color is provided. The method includes dyeing fabric with raw dye, ferro-mordanting the fabric having undergone the dyeing of raw dye with ferro- mordant, producing potassium ferrocyanide solution by dissolving potassium ferrocyanide in water, and putting the fabric having undergone the ferro-mordanting into the solution obtained in the potassium ferrocyanide solution production and then ripening the fabric until a blue color of a desired tone is raised. Accordingly, a stabilized dyeing state of blue color group is easily got even using natural dyeing materials as material difficult to raise a blue color on fabric.

L'invention concerne un procédé de teinture permettant d'obtenir une couleur bleue. Le procédé comprend les étapes consistant à: teindre un tissu à l'aide d'une teinte brute, ferro-mordancer à l'aide d'un ferro-mordant le tissu ayant été teinté par la teinte brute, produire une solution de ferrocyanure de potassium par dissolution de ferrocyanure de potassium dans de l'eau, immerger le tissu ferro-mordancé dans la solution obtenue à l'étape de production de la solution de ferrocyanure de potassium et laisser mûrir le tissu jusqu'à l'obtention d'un bleu du ton voulu. Ce procédé permet d'obtenir facilement un état stabilisé de teinture dans le groupe des bleus, même si l'on utilise des matières naturelles de teinture permettant difficilement de teindre un tissu en bleu.

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