Latest News and Updates on Textile Auxiliaries and Dyes

Desde el último trimestre de 2020 el transporte marítimo, sobre todo partiendo de China, comenzó a experimentar una serie de dificultades que persistirán hasta el primer trimestre de este 2021, a lo cual abonan los festejos por el Año Nuevo Chino, donde diferentes plantas de aquel país dejan de prod Read More

Application of Disperse Dye Leveling Agent in DyeingDisperse dyes are mainly used in the dyeing of hydrophobic fibers such as polyester, spandex, nylon, and acetate fibers. With the continuous progress of fiber dyeing technology, various types of levelling agents have been developed by leaps and bou Read More

1 Sampling and pretreatment The key steps to identify the types of dyes on cellulose fibers are sampling and sample pretreatment. When taking the sample, the part of the same dye should be taken. If the sample contains several shades, each shade should be taken. If fiber identification is required, Read More

1. Storage fees and demurrage incurred during this period are also a huge expense. Under this circumstance, with the gradual recovery of demand, no shipping company is willing to continue operating at a loss, and freight rates naturally soar.2. Container shipowners have nominated further surcharges Read More

El colorante índigo es una tintura de color azul (ver índigo). El compuesto químico constituyente del índigo es la indigotina.En la antigüedad el colorante natural índigo se extraía de diversas especies de plantas, como también de especies animales como el caracol Hexaplex trunculus, pero actualment Read More

Vietnam’s "People’s Daily" reported on January 5 that, according to Viet News Agency’s report, the Import and Export Bureau of the Ministry of Industry and Trade of Vietnam disclosed that according to the Ministry’s No. 9 Notice, starting from January 1, 2021, the And re-export trade, if it is impor Read More

There are many varieties of optical brightener agents, and there are certain brands of whitening agents for the whitening of various fibers.Although the chemical structure and properties of various brighteners are different, the principle of brightening fibers or fabrics is the same. The principle o Read More

Four properties of disperse dye leveling agentDisperse dyes are non-ionic dyes with low water solubility. Generally, high temperature and high pressure are used for dyeing. In order to achieve uniform dispersion and dyeing, leveling agents are generally used in the dyeing process. Today, I will talk Read More

1 Sampling and pretreatment The key steps to identify the types of dyes on cellulose fibers are sampling and sample pretreatment. When taking the sample, the part of the same dye should be taken. If the sample contains several shades, each shade should be taken. If fiber identification is required, Read More

With the high-grade of human polyester textile fabrics, especially the growth of sports fabrics and outdoor fabrics, the washing fastness of conventional disperse dyes is poor, especially the poor thermal migration during heat setting after processing, making high washing fastness disperse dyes ha Read More

Basic principles of disperse dyeing1. Dyeing performance of polyester fiberPolyester is a hydrophobic fiber. The fiber lacks groups that can bind to dyes. It cannot be dyed with water-soluble dyes. It can only be dyed with non-ionic disperse dyes with low molecular weight, no strong ionic water-solu Read More

Basic knowledge of disperse dyes (2)1. What is hot melt pad dyeing?The hot melt pad dyeing process is suitable for continuous dyeing of polyester/cotton blended fabrics. Its dyeing principle is also a kind of high temperature dyeing. The difference from high temperature and high pressure is that the Read More