What are the finishing and dyeing processes for printed […]
What are the finishing and dyeing processes for printed fabrics? Printed fabrics are very popular among ladies because of their various patterns. What are the finishing techniques for printed fabrics?
1. Dyeing refers to:
The process in which dyes and fibers are physically or chemically combined to dye textile materials.
1) Direct dyes, reactive dyes, sulfur dyes, vat dyes and insoluble azo dyes are mainly used for dyeing cotton fibers.
2) Acid dyes and acid mordant dyes are used for dyeing protein fibers such as wool and silk.
3) Disperse dyes are mainly used for dyeing polyester and nylon.
4) Cationic dyes are mainly used for dyeing acrylic fibers.
Dyeing requires uniform color and good color fastness, including fastness to sunlight, weather, and soaping.
2. Stamping refers to:
The process of printing patterns on textiles with dyes or pigments.
1) Direct printing---printing the printing paste on white or light-colored fabrics, and then steaming and other post-processing.
2) Discharge printing---dye the fabric with the background color first, and then print it with the dye.
3) Anti-dyeing printing---Add anti-dyeing agent to the printing paste to make the dyeing appear irregular.
4) Transfer printing---Use disperse dyes to sublimate under heat for dyeing.
3. sort out:
After the fabric is bleached, dyed, and printed, the process of further improving the quality of the fabric through physical or chemical methods is called finishing.
Cotton and linen fabric finishing, silk clothing finishing, wool finishing, chemical fiber and its blending, interwoven clothing finishing
Finishing makes the fabric door width neat and uniform or stable in size and shape; improves the feel of the fabric; enhances the appearance of the fabric; improves other wearing functions (waterproof, oil-proof, anti-microbial, etc.); increases the functionality of the fabric and increases the added value of the fabric (Anti-ultraviolet, anti-mold, anti-moth).
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