Latest News and Updates on Textile Auxiliaries and Dyes

FirstIn the color-fixing bath where salt and alkali coexist, the dye will be water-soluble due to the high concentration of electrolyte (salt, alkali), the greater salting-out effect, and the occurrence of the "elimination reaction" of the active group of ß-hydroxyethyl sulfone sulfate. The ability Read More

Fluorescent Dyes: Dyes that strongly absorb and radiate fluorescence in the visible light range.The fluorescent reflectance of fluorescent dyes on fabrics depends on the intensity of the ultraviolet light source, the amount of fluorescent substances dyed on the fabrics and the fluorescent quantum ef Read More

Polyester is generally dyed with disperse dyes. Disperse dyes do not contain strong water-soluble groups and are dyed in a dispersed state during the dyeing process. A class of ionic dyes can be divided into three types according to dyeing temperature or sublimation fastness, S type, SE type , Type Read More

5. Цветной цветок (включая разницу в цвете, несоответствие цвета и т. д.)Окрашивание цветов является наиболее распространенной и распространенной проблемой качества в процессе окрашивания по следующим причинам:(1) Проблемы с рецептурой и эксплуатацией процесса: процесс составления рецептуры является Read More

1. Alkali resistanceThe weak basic alkali agent basically did not cause damage to the acetate fiber, and the fiber weight loss rate was very small. After encountering strong alkali, especially diacetate fiber, it is prone to deacetylation, resulting in weight loss, strength and modulus decrease. The Read More

The dye bath for airflow dyeing is composed of the amount of liquid required for the fabric to absorb moisture and swell, and the amount of liquid that meets the needs of pipeline dye liquor circulation and dissolved dyeing materials at the same time. There is no need for water to drive the fabric t Read More

La decoloración de las telas teñidas es un proceso relativamente complicado. Bajo la acción de la luz solar, el colorante absorbe energía luminosa y la molécula se encuentra en un estado excitado. es inestable La energía obtenida debe liberarse en diferentes formas para convertirse en un estado estable. Una de las formas es que el colorante se descompone y se desvanece directamente después de recibir energía luminosa. Diferentes colorantes tienen diferentes mecanismos de decoloración en diferentes fibras. Por ejemplo, la decoloración de los colorantes azoicos en las fibras de celulosa es un proceso de oxidación, mientras que la decoloración de las fibras proteicas es el resultado de la reducción. Read More

In 2022, OEKO-TEX® will continue to monitor substances based on the latest scientific findings and compliance with relevant norms. It mainly involves some process preservatives as well as bisphenol F, bisphenol S and bisphenol AF.Bisphenol B limit value is 1000 mg/kgColorants with Michler's ketone/M Read More

После того, как ткань будет соткана в готовое изделие, чтобы ткань имела какое-то специальное применение, ей придается форма. Поскольку физические и химические свойства ткани относительно стабильны после отверждения, например, усадка, ширина, плотность основы и утка не изменяются легко, а поверхност Read More

1. Yarn consumption Grey cloth is woven from warp and weft yarns. Knowing the amount of warp and weft per unit area of the grey fabric and the unit price of these yarns, the raw material price of the grey fabric can be calculated. Generally, you can know the amount of yarn used in the grey fabric ac Read More

According to the degree of substitution of acetyl groups by hydroxyl groups in cellulose, it can be divided into diacetate and triacetate.Di vinegar is formed by partial hydrolysis of first vinegar, and its degree of esterification is lower than that of tri vinegar. Therefore, the heating performanc Read More

08 Обязанности каждого поста установочной машиныПередняя машина:1. Перед запуском машины сшейте ткань в соответствии с соответствующими требованиями, уложите материалы и проверьте, закрыта ли прокатная тележка и соответствует ли давление катящейся тележки требованиям.2. Действуйте в соответствии с п Read More