Training and bleaching of cotton knitted fabrics1、 Co organisms of cotton fibers1. The purpose of bleaching is to remove various harmful impurities from the fabric, in order to facilitate smooth dyeing and finishing processes and improve its wearability.2. Symbiotic: A small amount of impurities con Read More
IntroductionThe origins of reactive dyes include Puchian, Remdesine, and Lihuashi.1. ProcianIn 1954, I.D. Rattee and W.E. Stephen of the British Imperial Chemical Industry (established in 1926, also known as ICI) discovered that dichlorotriazine dyes covalently bonded to cellulose fibers under alkal Read More
Solvent-based coatings applications In the automotive industry, solvent-based coatings are often utilized for achieving high-quality and durable finishes. They provide excellent gloss, color depth, and scratch resistance, making vehicles look sleek and attractive. The solvents in these coatings help Read More
Water-based coatings applicationsIn the construction industry, they are commonly used for interior and exterior painting of buildings. Water-based coatings provide good adhesion to surfaces such as walls, ceilings, and wood, offering a protective and decorative finish. Their low volatile organic com Read More
1、 DichlorotriazineDye characteristics:Dichlorotriazine type reactive dyes were the earliest invented reactive dyes. Tracing back 20 years, low-temperature dyes such as X-R yellow, X-3B red, and X-BR blue were representative of reactive dyes. Of course, there was also a familiar dye factory called S Read More
One is to adjust by adding a small amount of other dyes to approximate colors, that is, non primary color matching.Secondly, it is mainly composed of the three primary colors, supplemented by individual special colors such as green, black, brown, etc.1、 Non primary color matching.The traditional col Read More
Nano-ecological dyesDefinition1. Nano-ecological dyes are a new type of dyes with a particle size of less than 100 nm and very good color fastness. They meet the requirements of Oeko-Tex Standard l00. Researchers have made special discussions on the concept, properties, technological innovation and Read More
Vat dye dyeingVat dye dyeing is often used in yarn dyeing of yarn-dyed handkerchiefs and yarn-dyed towels. Vat dyes are water-insoluble dyes. The dyes themselves have no affinity for fibers and cannot be directly dyed. They must be dissolved with caustic soda and insurance powder to make leuco sodiu Read More
1 Current status of color matchingWith the rapid development of domestic printing enterprises in recent years, although the level of printing color matching has improved, there are still some common problems in the printing process. Printing color matching is still mainly done by high-paid color mat Read More
Reactive printing and dyeing and paint printing and dyeingThere are two main methods of fabric printing and dyeing, one is traditional paint printing and dyeing, and the other is reactive printing and dyeing, which is opposite to paint printing and dyeing. Reactive printing and dyeing is a dye that Read More
After textile printing, except for ice dyes and soluble vat dyes, general dyes must be steamed.The purpose is to make the printed textiles complete the moisture absorption and temperature rise of the fiber and color paste film, accelerate the reduction of the dye and the dissolution on the fiber, an Read More
