Latest News and Updates on Textile Auxiliaries and Dyes

01 метод очистки А. Очистка холодной водой В хлопчатобумажных и смешанных переплетенных тканях после окрашивания хлопкового компонента прямыми красителями или реактивными красителями появляется плавающий цвет или тусклый цвет, обычно продолжают стирку или добавляют вспомогательную стирку Read More

1. Direct dyes:Direct dyes have relatively good heat-resistance stability. Direct dyes can be dissolved by adding soda ash and soft water. When mixing materials, first use cold soft water to make dyes into a slurry, then boil soft water and stir to dissolve, heat water to dilute, and add water to th Read More

1) Twisting length of the bobbin: the length of the fiber or yarn wound on the bobbin after twisting. 2) Wool: The cord is fluffed due to yarn abrasion or raw silk. 3) Oil stained yarn: Yarn contaminated by oil. 4) Wrong denier silk: The same kind of raw silk in production, different deniers are not Read More

Los tejidos de punto son fáciles de estirar y deformar, fáciles de arrugar, fáciles de rizar, y el tamaño y la forma no son fáciles de estabilizar, etc., lo que requiere teñido y acabado, especialmente pretratamiento (también conocido como descrudado y blanqueado) y teñido. procedimientos. El tamaño de la tensión y la presión, es decir, cuanto mayor sea el grado de relajación de la tela, mejor. Read More

1. Dyeing spandex with disperse dyes, the optimum process conditions are: temperature 125℃, time 30～40min, pH value 5～6.2. The dyeing temperature should be controlled within the range of 120 to 130 °C. When the temperature is less than 120 °C, the color fastness is not enough, and it is easy to deco Read More

01 ОбзорВо-первых, определение сернистых красителей.Сернистые красители представляют собой класс серосодержащих красителей, которые получают из ароматических аминов или фенольных соединений в качестве сырья и сплавляют с полисульфидом натрия или серой.2. Особенности1. Сернистые красители нерастворим Read More

Advantages of reactive dyes① Covalent bond between reactive dyes and fibers, in general, this bond will not dissociate, so once reactive dyes are dyed on fibers, they have good color fastness, especially wet fastness .②Brightness of color and brightness are particularly good;③ The cost is lower than Read More

The solubility of reactive dyes can be roughly divided into four categories:Class A, dyes containing diethylsulfone sulfate (ie vinylsulfone) and three reactive groups (monochloro-s-triazine + divinylsulfone) have the highest solubility, such as Yuanqing B, Tibetan blue GG, Tibetan blue RGB, golden Read More

(1) To strengthen the maintenance of equipment.(2) Strengthen the monitoring and inspection of the running state of the equipment. The good condition of the equipment is the basis of spinning the yarn well.(3) Improve the sharpness of the card clothing, ensure that the craft is on the car, and achie Read More

Под текстильными волокнами обычно понимают объекты диаметром в несколько микрометров или десятков микрометров и длиной, во много раз превышающей диаметр. Текстильные волокна должны иметь определенную тонкость и длину, чтобы волокна могли сцепляться друг с другом и полагаться на трение между волокнам Read More

Color fastness to light is also called light fastness or light fastness. The main factors affecting fading under sunlight include light, molecular structure of dyes, dye aggregation state and dyeing depth, and fiber properties. Light is the most important factor causing dye fading. The chromophore g Read More

Cotton fiber belongs to natural cellulose fiber. Cotton fabric has soft hand feel, good moisture absorption and air permeability and excellent wearing performance. As people pay more and more attention to wearing health and advocating nature, cotton fabric is loved by people. Reactive dyes are one o Read More