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| What is a refining agent and what are its uses |
| Hits：1938 AddTime：2024/9/14 16:08:31 |
| Refining agent is an auxiliary used in the pre-treatment process of textile printing and dyeing. **Ingredients of Refining Agent** -The main components usually include surfactants, chelating agents, alkaline agents, etc. Surfactants can reduce the interfacial tension between the fabric and the treatment solution, allowing the treatment solution to penetrate better into the interior of the fabric; Chelating agents can form stable complexes with metal ions, avoiding the adverse effects of metal ions on the refining process; Alkaline agents are used to adjust the pH value and create an alkaline environment conducive to the refining reaction. **The use of refining agents** -* * Remove impurities** -In cotton fabric refining, refining agents can remove natural impurities from cotton fibers, such as cottonseed hulls, pectin, wax, protein, etc. These impurities can affect the water absorption, whiteness, and dyeing performance of fabrics. Through the action of refining agents, fabrics can obtain good wettability and whiteness, creating favorable conditions for subsequent dyeing, printing and other processes. -For synthetic fiber fabrics, refining agents can remove impurities such as oil, dust, etc. that the fibers have accumulated during manufacturing and processing, improving the cleanliness and quality of the fabric. -Improve dyeing performance** -Refining agents can improve the surface properties of fabrics and increase their wool effect (water absorption rate). Good wool effect can ensure that the dye can penetrate and adsorb evenly onto the fabric during the dyeing process, thereby improving the uniformity and brightness of the dyeing. -After being treated with a refining agent, the dye uptake and fixation rate of the fabric will also be improved, reducing dye waste and lowering production costs. -* * Improve hand feel** -During the refining process, the refining agent can make the fibers of the fabric softer and smoother. For example, in silk refining, refining agents can remove impurities such as sericin on the surface of silk, making the silk feel more delicate and soft, and increasing the added value of the fabric. |
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