Finishing process of textile printing and dyeing […]
Finishing process of textile printing and dyeing auxiliaries for textiles
The finishing process of textile printing and dyeing auxiliaries for textiles is generally from training → bleaching → dyeing → printing → finishing (Boiling → White → White → After treatment). The two processes of scouring and bleaching (applicable to cotton) are: singeing → desizing → bleaching → mercerizing; the first step should start with the singeing process, because cotton is short fiber with more short fluff , For the good appearance of the cotton cloth and the convenience of the subsequent process, so the singeing starts first; then desizing→bleaching→ mercerizing. Note: It is mainly the process of training, in order to remove impurities, oil stains and cotton husks. Textile printing and dyeing auxiliaries such as degreasing agent can also be added when degreasing.
The most important thing is the finishing process. Generally, textile printing and dyeing auxiliaries for textiles are used for good hand feeling, soft, hard, and firm hand feeling.
1. The textile feels soft: fabric softener (also called textile softener) can be used for processing and washing; to achieve a hard and firm hand feel: stiffening aids can be used.
2. Appearance finishing of textiles: calendering, embossing, whitening or fixing, etc. Brightening agent can be added for whitening; fixing agent for color fixing.
3. In addition, special treatment of textiles, to achieve these effects, add corresponding textile printing and dyeing auxiliaries before setting. Such as: waterproof treatment (add water repellent), flame retardant treatment (add flame retardant), anti-fouling, anti-oil, anti-mildew, antibacterial, anti-UV, infrared treatment, anti-static treatment, etc. These all need to be added after printing and dyeing. Treatment of finishing auxiliaries or other auxiliaries.