Latest News and Updates on Textile Auxiliaries and Dyes

What is Desizing? Desizing (desize) refers to the process of treating fabrics with acids, alkalis, enzymes, etc., to remove the slurry rhyme added to the warp yarns during weaving. The purpose is to facilitate subsequent processing such as refining. Before fabric weaving, warp yarns are generally su Read More

The nature of cationic dyesSolubilityThe salt-forming alkyl and anionic groups in the cationic dye molecule affect the solubility of the dye. In addition, if there are anionic compounds in the dyeing medium, such as anionic surfactants and anionic dyes, they will also combine with cationic dyes to f Read More

La industrial del textil en San Juan del Río, ha registrado un doble efecto a causa de la pandemia Covid-19, el primero de ellos, el desabasto de tela de importación, y el segundo más complicado, un golpe a su economía, dado el incremento del 25 por ciento que se ha registrado en los rollos de tela de temporada, refirió el secretario general de la Confederación Revolucionaria de Obreros y Campesinos (CROC), Dimas Peralta Alegría. Read More

ACRÍLICAS: Se disuelve en Ácido Nítrico concentrado en frío. ALGODÓN: Se disuelve en Ácido Sulfúrico concentrado en frío. LANA: Se disuelve en Sosa Cáustica al 10%, ebullición 15 min. NYLON: Se disuelve en Ácido Sulfúrico a la ebullición. POLIÉSTER: Se disuelve en Ácido Sulfúrico concentrado en frío. POLIPROPILENO: Se disuelve en Xileno a la ebullición. RAYÓN ACETATO: Se disuelve en Acetona en frío. RAYÓN VISCOSA: Se disuelve en Ácido Sulfúrico concentrado en frío. DA NATURAL: Se disuelve en Sosa Cáustica al 10%, ebullición 15 min. Read More

1. When dyeing, close the machine cover before heating up, and observe the running condition of the grey cloth in the machine from the glass sight hole at any time, and check whether there are any abnormal sounds and phenomena in the machine parts.2. When the temperature is 50～60℃, the disperse dye Read More

1. Check the accuracy of the prepared dyes and chemicals according to the prescription list. When disperse dyes are used to make materials, generally use cold water to beat them and mix them evenly (stirring with a mixer for about 20-30 minutes), and then dilute them with warm water at 40～45°C befor Read More

The most common nylon products on the market are nylon 6 and nylon 66.Nylon 6: The full name is polycaprolactam fiber, which is polymerized by caprolactam.Nylon 66: The full name is polyhexamethylene adipamide fiber, which is polymerized by adipic acid and hexamethylene diamine.Generally speaking, n Read More

Purpose of mercerizing:1. Increased gloss and brightness after mercerizing;2. The adsorption capacity, the chemical reaction capacity is enhanced, and the dye color yield is improved;3. Shrinkage rate, dimensional stability, and fabric flatness improved;4. Mechanical properties such as strength and Read More

How to wash off the dyeing of fluorescent fabric clothes?How to wash off the dyeing of fluorescent fabric clothes? It is difficult to deal with clothes being dyed, and clothes of different colors must be washed separately! It is made of high-grade FDY or DTY filament and combed pure cotton sand thre Read More

Why is the wet fastness and rubbing fastness poor when the reactive dyes dye the dark color of cotton? How to deal with it?(1) Reasons for poor fastness. Unlike direct dyes dyeing cotton, neutral (or acid) dyes dyeing nylon, disperse dyes dyeing polyester, reactive dyes dyeing cotton are not combine Read More

Strong, good abrasion resistance, ranking first among all fibers. Its abrasion resistance is 10 times that of cotton fiber, 10 times that of dry viscose fiber, and 140 times that of wet fiber. Therefore, its durability is excellent.Nylon fabric has excellent elasticity and elastic recovery, but it i Read More

How to choose disperse dyes when dyeing nylon light colors with disperse dyes? Nylon/cotton fabrics are dyed lightly in color, and the nylon component is usually dyed with disperse dyes. The reason is: Disperse dyes do not contain water-soluble groups, do not ionize in water, and do not have activ Read More