Latest News and Updates on Textile Auxiliaries and Dyes

Use of solvent dyesThe solvent DYESTUFF, as an organic redissolvable dye, is easily soluble in general organic solvents such as ethanol, BTX, ketone, ester, oil and paraffin, and has the advantage of bright colors. These dyes come in many series and have many uses.Solvent dyes are widely used oil-so Read More

The alkaline dyeing method has the advantages of effectively removing oligomers, shortening the dyeing time, stabilizing the color and saving energy and so on. 1. It can further improve the refining effect:Because there are more oils on synthetic fibers, it is difficult to completely remove the rema Read More

Measures to improve textile pH unqualified:1. Acid-base neutralization: neutralization by adding alkali for more acidic, neutralization by adding acid for more alkaline, generally used acid is acetic acid or citric acid, and alkali is soda ash.2. Improvement of dyeing and finishing process: increase water washing, etc. Choose high-quality raw materials, dyes, etc., and eliminate them from the source. Read More

Types of cationic dyesCationic dyes can be classified according to two classification methods: application performance and chemical structure type. According to the application performance, China divides the existing dyes into ordinary type, X type and M type. According to the chemical structure, it Read More

As the global economy recovers from the epidemic, the Turkish textile industry hopes to open a new era of cooperation with international companies and brands, with production capacity exceeding US$100 billion. Turkey is the fifth largest textile supplier in the world and is expected to export textil Read More

Key points of chemical material operation1. 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 dil Read More

What is Amylase and its application? Amylase is the general name of enzymes that hydrolyze starch and glycogen. It usually catalyzes the hydrolysis of starch slurry on fabrics by amylase. Due to the high efficiency and specificity of amylase, the desizing rate of enzyme desizing is high and the desi Read More

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