Latest News and Updates on Textile Auxiliaries and Dyes

Classification of dyesI. Classification of dyes according to their chemical structure or their characteristic groups is called chemical classification They are divided into: azo dyes, anthraquinone dyes, arylmethane dyes, indigo dyes, sulphur dyes, phthalocyanine dyes, nitro and nitroso dyes, in add Read More

In the textile industry, different fabrics are dyed with different dyes. Cotton, one of the most common fabrics, is the best choice for dyeing because of its high water absorbency. The purpose of this article is to introduce the selection and process of cotton dyeing, and to answer questions that are widely used in daily life and in the textile industry. Read More

As the most common fabric, cotton can be made from light and transparent voile to thick canvas and thick velveteen, and is suitable for making all kinds of clothes, furniture fabrics and industrial fabrics. Different dyes are selected when dyeing different fabrics. Due to its characteristics, cotton can be dyed with reactive, direct, and sulfur dyes. After the dyeing process of distribution, washing, bleaching, dyeing and post-treatment, colorful fabrics are finally produced. Read More

Acid dyes refer to the acid group in the dye molecules, also known as anion dye, which can be combined with amino groups in protein fiber molecules with ion bonds and applicable under acidic, weak acids or neutral conditions. Mainly nitrogen and ， structures, a few are aromatum methane structures. Acid Dye Introduction and Different Items, This article show the difference between different dyes and show the benefirness of acid dyes. Read More

Direct dyes refer to dyes that can be directly dissolved in water, have high directness to cellulose fibers, and do not need to use relevant chemical methods to color fibers and other materials. The principle of direct dyesDirect dyes have water-soluble groups such as sulfonic acid group (-SOH) or c Read More

Direct dye was developed after Bottiger discovered Congo Red in 1884. Before this, cotton fibers were dyed with indigo and other natural dyes, which was troublesome. At that time, synthetic dyes were just beginning to be developed, and cotton fibers could not be dyed directly. The cotton fibers must Read More