The influence of special finishing on the color of textile fabrics
Finished textile fabrics are flame retardant and UV resistant
There are some special finishing methods that will have a greater impact on the color of the cloth. They are summarized as follows:
1. Raising/sanding finishing
Raising/sanding finishing uses mechanical action to make the cloth surface Forming long or short uniform and fine fluff, making the fabric appear fluffy, soft and thick. After raising/sanding, the surface color of the cloth will be lighter due to the fluffy surface fibers.
2. Calendering finishing
Calendering finishing uses mechanical friction and The pressure makes the cloth surface smooth and flat, with a bright luster. Since the diffuse reflection of light on the fabric surface is reduced after calendering, the apparent color becomes lighter accordingly, and the greater the degree of calendering, the lighter the apparent color becomes.
3. No-iron finishing
No-iron finishing is done under strong acidic conditions (pH<1.5), some reactive dyes have poor acid resistance and will change color greatly after finishing, especially blue and black, so the overall color of the cloth is reddish. When adjusting colors, you should refer to the single-color samples to sort out the color-changing samples, try to avoid using dyes that become larger in color, and pay attention to the color-changing and color-adjusting rules of the selected dyes.
4. Coating finishing
Coating finishing is achieved by evenly applying the coating on the surface of the fabric. Apply a layer of coating film to change the style and functionality of fabrics. Due to the large refractive index of the coating film, the color of the cloth surface will be darker and darker after coating, and the thicker the coating, the greater the color impact.
5. Durable calendering finishing
Durable calendering finish has a good effect on the color of the fabric surface The influence includes the influence of mercerization, ETI and calendering on the color light. The coloring needs to be adjusted according to these finishing processes.
6. Anti-UV finishing
The anti-UV finishing currently used is to The agent is added at the dyeing stage and has a certain impact on the color. Therefore, when making samples, for orders that require anti-UV finishing, the corresponding anti-UV agent must also be added when the sample is dyed.
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