abstract |
The invention provides a dyeing method suitable for cotton fiber textiles, comprising the following steps: S1, pretreating the fiber textiles in water at 42-45 DEG C for 20-30 minutes; S2, adding neutral liquid pectate lyase Incubate for 10-15 minutes; S3, adjust the pH value to 5.5-5.8 and heat up to 50-55°C; S4, add soft light protease and hold for 40-60 minutes; S5, then add refined protease and hydrogen peroxide, and heat up to 95°C for insulation Inactivation treatment for 20-30 minutes; S6, wash water and normal dyeing process after cooling down. |