Disperse dyes are commonly used to dye in two ways, namely high temperature and pressure method and the hot-melt method. The so-called high temperature and pressure method is actually that the temperature is only 130 ℃, and the pressure is only 0.2MPa (gauge pressure).
Disperse dyes are the only water-insoluble dyes that dye polyester and acetate fibers. Disperse dye molecules are the smallest dye molecules among all dyes.
Disperse dyes is a class of non-ionic dye, which has low water solubility and exists in water primarily in a highly dispersed state by means of the effect of the dispersing agent in the process of dyeing. It is mainly used for dyeing polyester fibers. The chemical structure of most disperse dyes belong to monoazo type, which accounts for about 80% of all the disperse dyes.
Disperse dyes are finely ground water-insoluble dyes that are mainly used for dyeing synthetic textiles. The thriving textile industry across the globe and vast technological advances observed in the field of paints and coatings have collectively been boosting the global demand for disperse dyes in the past few years.
Disperse dyes can be segmented into three basic types: low energy disperse dyes, medium energy disperse dyes, and high energy disperse dyes. The low energy variety possesses low sublimation fastness, low polarity, low molecular weight, and high dyeing rate. Disperse dyes are synthetic in nature and are far less water-soluble. Dye material is finely grounded in the form of paste or a powder. Disperse dyes are generally used with dye bath solutions in which dispersing agents are employed to increase the water solubility of the dye.
Disperse dyes are finely ground water-insoluble dyes that are mainly used for dyeing synthetic textiles. The thriving textile industry across the globe and vast technological advances observed in the field of paints and coatings have collectively been boosting the global demand for disperse dyes in the past few years.