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  • How to identify the quality of disperse dyes


    Diffusion test: Accurately weigh 1g of dye, add 100mL of 30°C water, stir evenly with a glass rod, drop 4-5 drops of the dye suspension on the filter paper with a pipette, observe its natural seepage circle, good diffusivity the larger its area.Some dye solutions have 1~2 layers of fuzzy seepage cir Read More

  • Development history of dye processing technology


    There are many kinds of dyestuffs, but in terms of the physical form of their commodities, they can be divided into solid, liquid and slurry. It can be further divided into:Solid dyes—powder, granular, dust-free powder, block, flake, short column;Liquid dyes—water-soluble liquids and dispersions;Slu Read More

  • What aspects are involved in dye processing


    1 Analysis of primary dyesThe original dye analysis mentioned here refers to the testing and analysis of the physical and chemical properties of the original dye for the needs of dye processing. After years of research, it is found that post-processing is by no means a simple physical process. Befor Read More

  • Multi-country order shortage is coming! Orders plummeted!


    Recently, according to multiple media reports:According to the industry, there are doubts about "order shortage" from mainland China to Vietnam and India.According to the Ho Chi Minh City Business Association of Vietnam, orders for industries such as electronics, textiles, and footwear have been gre Read More

  • What are the influencing factors of nylon and elastic fabric dyeingⅡ


    2. The influence of dyeing temperature on nylon dyeingTemperature is an important factor in controlling the dyeing of dyes. The temperature will affect the swelling degree of the fiber, the performance of the dye and the effect of the auxiliary agent. Nylon is a thermoplastic fiber, and the dyeing i Read More

  • What are the influencing factors of nylon and elastic fabric dyeingⅠ


    Because the amino groups and carboxyl groups at both ends of the macromolecules of nylon fibers are sensitive to light, heat and oxygen, especially the amino groups, the number of groups will decrease during the process of oxidation and thermal cracking. Nylon fibers also turn yellow at the same tim Read More

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