Latest News and Updates on Textile Auxiliaries and Dyes

Causes of shading during dyeing processDye propertiesBefore fabric dyeing, you must first color-match proofing. There are two basic methods for selecting dyes when proofing: one is to choose a dye that is similar to the color you want to dye, and then add a small amount of other dyes to adjust its c Read More

Penetrant analysis method?I. Penetration time test:Take several square double-sided grey cloths of 20mm×20mm for use, prepare 500ml of 1g/L penetrant solution and place it in a 500ml beaker, take a square piece of cloth, put it down 1cm away from the surface of the static solution, and press the sto Read More

One is the white glue printing that needs a foundation, which is suitable for dark clothing. This method requires screen printing combination, the effect is better.The other is to spray white ink and color ink at the same time, but need to spray treatment liquid on the surface of the clothing, so th Read More

What are the processes, difficulties and solutions for paint dyeing? Read More

What's direct dyes application Direct dyes are widely used in various fields due to their specific properties and coloring effects.One of the significant applications of direct dyes is in the textile industry. They are commonly employed for dyeing natural fibers such as cotton, linen, and silk. Thes Read More

Sulfur dye’s role in the dyeing process of denim. Firstly, sulfur dyes provide excellent color depth and intensity. When used in denim dyeing, they can achieve rich and dark shades, which are highly desired in the production of classic denim looks. The deep and saturated colors give denim a bold and Read More

Questions on Basic Knowledge of Acrylic Fiber and Cationic Dyes1. Why choose 80 ℃ oxygen bleaching for fabrics containing acrylic fiber?The glass transition temperature Tg of acrylic fiber is between 70-85 ℃ (the temperature at which the high elastic state transitions to the glass state). Beyond thi Read More

Principle of Cationic Dyeing ProcessWith the increase of temperature, when the temperature reaches the glass transition temperature of acrylic fiber, the generation and intensification of molecular chain movement increase the micro gaps between molecular chains. At this time, the dye diffuses into t Read More

Nylon is a hydrophobic fiber that contains amino and carboxyl groups. It can be dyed with disperse dyes, acid dyes, especially weak acid dyes. Its dyeing has the characteristics of fast dyeing rate and high exhaustion rate, but due to the different spinning process specifications, the fiber structur Read More

Production Technology of Polyester-spandex Knitted Fabric with High Washing Color Fastness Read More

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