Many garment companies nowadays use cellulase to reduce their weight in garments to obtain a good feel. However, for printing and dyeing companies, they have greatly increased the difficulty of color matching. After comprehensive considerations in all aspects, they decided to be in mercerizing. Cellulase reduction before dyeing:
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Cellulase/g·L-1 3~10
Acetic acid to adjust pH 4.5~5
Room temperature stacking/h 16
Since the degree of crystallinity of cellulose decreases after mercerization, the amorphous region increases, and the fiber surface cracks, so that the cellulase is more likely to penetrate into the interior of the cellulose.
However, the following points should be noted during production:
1. Avoid cellulase when padding cellulase and washing water;
2. Strong drop of about 8% to 10%, dyeing depth of about 10% to 15%;
3. Pay attention to the control of the process to prevent the fabric strength from falling too much;
4. The treated fabric becomes full, elastic, and less fuzz, and the moisture absorption and the protection of the waterfall are obviously improved;
5. The control reduction rate is below 3% and the strength loss is within 10%.
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