Latest News and Updates on Textile Auxiliaries and Dyes

1 Choose the right dyeThe color fastness is closely related to the structure of the dye, and the selection of the dye should consider:① Strong reactivity between dyes and fibers;②High fixation rate;③It has better acid-base stability;④ The bond energy of the covalent bond of the dye-fiber is high, th Read More

Reactive dyes have a very good dissolution state in water. Reactive dyes mainly rely on the sulfonic acid group on the dye molecule to dissolve in water. -Ethylsulfonyl sulfate is also a very good solubilizing group.In the aqueous solution, the sodium ion on the sulfonic acid group and the -ethylsul Read More

Кипячение, отбеливание и окрашивание текстильных тканей, как правило, осуществляются в переливных резервуарах.Во время всего процесса ткани находятся в канатообразном состоянии.Волокна непрерывно изгибаются и деформируются в красильной машине.Исходные водородные связи непрерывно разрушаются, и непре Read More

Dyeing on an overflow machine, heating and cooling will directly affect the shrinkage of the fiber, resulting in a fold. For thermoplastic fibers such as nylon, once the fold is formed, it will be irreversible. Therefore, when dyeing, special attention should be paid to the need to slowly raise/lowe Read More

Color fastness to rubbing is also called color fastness to rubbing. The main influencing factors are the structure and properties of dyes, the organizational structure of different fibers and fabrics, and the dyeing process. Reactive dyes contain hydrophilic groups such as sulfonic acid groups. If t Read More

1 Choose the right dyeThe color fastness is closely related to the structure of the dye, and the selection of the dye should consider:① Strong reactivity between dyes and fibers;②High fixation rate;③It has better acid-base stability;④ The bond energy of the covalent bond of the dye-fiber is high, th Read More

El proceso de laminación en frío es un proceso de procesamiento a temperatura ambiente. Debido a que la tecnología del proceso de laminación en frío tiene muchas ventajas, como un bajo costo de inversión, bajo consumo de energía, bajo consumo de agua, alta flexibilidad y productividad, fuerte adaptabilidad al proceso y pequeña pérdida de resistencia de la tela, actualmente se usa en algodón. Es ampliamente utilizado en pretratamiento, teñido, estampación y acabado en teñido y acabado de tejidos. Read More

①Innumerable products of any type of dye have been developed, but not many products are suitable for the commercial market. If the global dye companies that are suitable for commercialization are competing to imitate them, some of them only slightly change the chemical structure of the dye in order Read More

Красильная фабрика обычно делает образцы в лаборатории, а затем увеличивает образцы в мастерской в соответствии с образцами.Причины несовместимого оттенка и разницы в цвете между образцами и основными могут иметь следующие аспекты.1.Серые ткани различаютсяПеред окрашиванием серая ткань должна быть о Read More

Acid dyeing of protein fibers, in addition to the composition, chemical properties and physical state of the fibers and dyes themselves have a direct impact on the dyeing, external conditions such as pH value of the dye solution, temperature and the addition of electrolytes also directly affect the Read More

After dyeing of textiles, the ability of fabrics to retain their original color can be expressed by testing various dye fastnesses. Commonly used indicators for detecting dyeing fastness include washing fastness, rubbing fastness, light fastness, sublimation fastness and so on.The better the washing Read More

Appearance: A group of several or dozens of fabrics, after continuous dyeing under the same set conditions, the beginning and the end of the dyed fabrics, there are shades of difference in color.Causes: 1). In the pretreatment process, there are differences in desizing, scouring, bleaching, merceriz Read More