Latest News and Updates on Textile Auxiliaries and Dyes

Modified Polyester Dyeing Process and Performance AnalysisI. What is Modified Polyester?Modified polyester is a fiber material that chemically modifies traditional polyester by introducing a third or fourth monomer into the molecular structure of polyester (PET).Common modification methods include:T Read More

Points to Note in Actual Production of SD-Type Cationic DyesSD-type cationic dyes are dyes specifically designed for particular fibers and processes. Their key characteristics are their "disperse" nature and relatively wide chemical mixing temperature range. Dye Type and CharacteristicsSD-type cat 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

Background: A large acrylic fiber manufacturer in Peru, before used the products which is internationally renowned brands, and has very strict requirements for dyes. There demand is three container of cationic black dyes each year, and they are increasing year by year.Challenge: The cationic dye required is a color mixed product. One of the raw materials is not stable, and it is prone to agglomeration when exposed to moisture, which affects the accuracy of the dosage, but this raw material is indispensable. In addition, bulk cargo is generally shipped by sea, and the route to Peru generally takes around 30 days, which increases the possibility of caking. Read More