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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
5. Reasons for the skinning phenomenon of the glue during the printing processAny printing material has a common characteristic, that is: the thinner the ink layer, the faster the drying, and the same is true for the glue. Since the screen is larger than the pattern, there is enough space for the pa Read More
1. The problem of sticky hands after printing glueAfter the printing paste is printed and dried, there is a sticky phenomenon, which becomes more serious with the increase of temperature.Reason: The main raw material of printing glue is acrylic resin, which is determined by the characteristics of th Read More
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
Archroma, a global leader in specialty chemicals providing sustainable solutions, is part of US private equity firm SK Capital Partners. The company announced on August 9 that it had signed a definitive agreement with Huntsman to confirm the acquisition of the Huntsman Textile Dyeing and Chemical Di Read More
Agglomeration of DyesDue to the direct collision of dye molecules, larger dye aggregates (or dye associations) are aggregated. These larger dye aggregates are deposited on the fabric during the dyeing process, resulting in color stains.When dyeing: the free dye molecules will recrystallize during th Read More
Nylon is the trade name of synthetic polyamide fiber, commonly known as nylon. Its basic composition is aliphatic polyamide connected by amide bond -NHC0. The nylons commonly used in textile fabrics include nylon 6 and nylon 66. Nylon macromolecules are mainly composed of three parts, namely the hyd Read More
Unreasonable craftsmanship is easy to produce defects such as level dyeing difference, color flower, color willow, color difference, and poor fastness. 1. Control the initial dyeing temperature and heating rateNylon is a thermoplastic fiber, so the dyeing rate of the fiber has a great relationship w Read More
The water solubility of reactive dyes is very good, but this characteristic is greatly affected by some substances or auxiliaries, which is often overlooked. In the dyeing process of reactive dyes, the problem of color difference or poor dyeing reproducibility occurs from time to time, which is ofte Read More
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
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
