What are the ways to improve wet and moisture coloring?

1. According to the analysis of textile materials, general chemical fabrics are better than the moisture -resistant friction color of natural fabrics such as cotton, and thin fabrics are better than heavy fabrics. Therefore, during the processing of textile fabrics, the processing of each process should be evenly transparent to improve the permeability of the fiber and the reactivity of the dye or the absorption of fixation, so that the dyes are fully dyed.

In the process, it is required to be strictly controlled, and it is necessary to choose correctly to use the auxiliary. In order to improve the dampness of textile products and dampness, sufficient soap washing can be performed in the textile fabric. For example, the high -temperature fixing of polyester fibers with decentralized dyes can cause the dye swimming to the fiber surface, causing the frictionality to decrease.

In this case, the coordinant or skid agent can increase the friction -resistant color fastness to a certain extent.

2. When choosing dyes, choose dyes with good improvement and uniform dyes. Good improvement and even dyeability are conducive to the penetration and diffusion of dyes.

The dye should have a certain water solution and directability, and the water -soluble group should not be too much, otherwise it will affect the subsequent wet frictionality. And direct nature should also choose medium as the best.

The selected dyes should not be too high, and generally should be greater than 70%.

3. Cotton and other natural fabrics are relatively poor in dampness and friction. Therefore, for cotton cloth, the cotton cloth should be selected. If pre -processing is required, high -efficiency preparation agents should be selected.

4. Active dye dyeing water should be used as soft water or ionic water as much as possible to reduce the effect of calcium and magnesium plasma in the water on dyes, thereby improving the absorption of fiber on dyes, and making the dye in the fiber molecule more stable.

5. Using high -efficiency color fixing agent, the selected coloring agent should be a compound that can be linked between dyes and fibers. When reacting with the dye, it can also react with cellulose fiber reaction to enable dyes and fibers to be closely firm and firm The ground is linked to strengthen the binding of dyes and fibers, prevent dyes from falling off from fiber or swimming to the fiber surface, avoiding the decline in dyeing fastness.

6. Use special auxiliary agents, such as deep agents such as deep agents, and other dye fabrics can reduce the amount of dye and obtain a dark color effect, while improving the fixedness of wet friction.

7. Pay attention to the pH value of the after -dyeing cloth. Because in general, deep -thick cotton fabric dyeing process is high, and then the water washing, soap washing, and neutralization were strengthened. The fabric cannot be alkaline, so as to avoid hydrolysis after dyeing, resulting in a decrease in wet ricibility. Usually the pH value of the cloth surface is controlled at 6.5-7.5, and cannot exceed 9 or less than 3.

8. Starting from the characteristics of the improvement of the after -dyeing cloth, the fabric is organized, such as the polishing treatment of biological enzymes, so that the light cleanliness of the cloth surface and the smaller friction will increase its wet risks.

9. The floating color on the fiber is extremely unfavorable to the damp -resistant friction color. The dark -color active dye dye fabric should be boiled twice, but too much soap will destroy the upper dye dyes, thereby a broken key phenomenon. , Resulting in a decline in effect.

There was a test that the dyeing fabric was washed with anti-stain-proof washing agent (dosage of 2-3g/L, and 10min 95 ° C), which could make the wet rubbing solitude reach level 3. In actual production, many conditions often occur, such as steam pressure fluctuations, so that the temperature is not high within the specified time; the car -blocking operation error or the sudden failure of the equipment, which deviates from the predetermined procedure. Make the process change, etc., which causes coloring differences (including cylinder difference). For chemicals such as some mechanical equipment and dye varieties, alkali agents, the cleaning after dyeing is not practical in large production, so you should choose reasonably.

10. Because the floating color of active dyes is difficult to remove cleaning after dyeing. Therefore, after the soap is cooked, the color peeling agent can be used for coloring to remove the floating color clean, so that the fabric dyes and fibers that are removed after removing the floating color Form a complete integration, thereby increasing its wet friction color.

11. The common price bond for active dyes and fiber may become unstable or even broken under the conditions of acid or alkali. It can form a layer of soft, tough, and water -resistant film on its surface to refuse water to refuse water. And soft smoothness to improve wet friction. Sol Gel Method is an important way to prepare the inorganic film. It forms a different film on the fabric through the solution-gel technology to improve the wear resistance of the fabric and the water refusal. You can increase the degree of wet friction to a certain extent. However, it has a solid impact on its feel.