Latest News and Updates on Textile Auxiliaries and Dyes

Disperse dyes are poured into water and then dispersed into fine particles. The particle size distribution is expanded according to the binomial formula, with an average value of 0.5 to 1 micron. The particle size of high-quality commercial dyes is very close, and there is a high percentage, which c Read More

What matters should be paid attention to when acid dyes are fixed?Nowadays, acid dyes have been widely used in the dyeing of fabrics and are often used by people. However, the dyes usually have poor color fastness. Therefore, some users are fixing the dyes to meet the standard, but we need to pay at Read More

This type of softener is an emulsion or microemulsion of polysiloxane and its derivatives, which can make the fabric have a good soft and smooth feel. The products include emulsion polymerization, polymer silicone oil emulsification, modification, compounding and other production techniques, which h Read More

Causes of dye fading under the sunWhen a dye molecule absorbs the energy of a photon, it will cause the outer valence electron of the molecule to transition from the ground state to the excited state. According to different structures, the dye molecules can have different excitation processes under Read More

For dyeing with reactive dyes, the choice of the three primary colors of dyes must be paid attention to by dyeing workers. Among them, the ratio shift value (Rf) of the dye is a very important parameter. The Rf value represents the affinity of the dye. During dyeing, it determines the instantaneous Read More

What is leveling agents and its application? Most leveling agents are water-soluble surfactants. According to the effect of leveling agents on the diffusion and aggregation of dyes, they are mainly divided into two types: fibrophilic leveling agents and dye-philic leveling agents.Uniform dyeing: Whe Read More

Causes of abnormal color fastness of fluorescent fabrics For a long time, fluorescent color fabrics have been loved in people's fashion collocations, and their eye-catching colors have become unknowingly occupy a certain position under the display of some fashionistas, and have a role that cannot be Read More

When clothing is washed or worn, it constantly rubs against the outside or itself, so that the fiber ends on the surface of the fabric yarn are taken away from the bondage of the yarn by the friction force, and the yarn is untwisted and exposed on the surface of the fabric, forming a surface on the Read More

Classification and dyeing principle of acid dyesAcid dyes are a type of water-soluble dyes with acidic groups in the structure, which are dyed in acidic media. Most acid dyes contain sodium sulfonate, which is soluble in water, bright in color and complete chromatogram. Acid dyes are water-soluble a Read More

1. Anionic softenerIn addition to soap, sulfonated oil, etc., the anionic softener is mainly composed of cationic compounds or anionic and nonionic compounds with long chain alkanes such as stearyl succinate sodium sulfonate and stearyl ester sulfate. Generally, it has good wettability and thermal s Read More

Eight requirements for choosing colorants for inkThe colorant is the main component of the ink, and the color of the ink is determined by it.Colorants for inks include pigments and dyes. Pigments are divided into organic pigments and inorganic pigments. The former has bright hue, strong coloring pow Read More

The dyeing of nylon fiber mainly uses acid dyes and some disperse dyes. Disperse dyes are mainly used in the case of relatively light colors, and the most used are acid dyes. Acid dyes are divided into level dyeing acid dyes (strong acid acid dyes); semi-level dyeing acid dyes (weak acid acid dyes) Read More