A Revolution of Silk Dyeing with FL Based Cotton-Reactive Dyes

Silk is the royal fibre and its coloration is also an art. There are wide ranges of dyestuff accessible for silk dyeing. Nearly every type of dyestuff used for cotton and/or wool can be used for dyeing silk. In overall the dyestuffs are useful by techniques similar to those of wool or cotton dyeing. Dyeing of silk with acid dyes required more than boiling temperature, resulting fiber damage and more energy. In this study, silk fabric was dyed with three commercial dyes. There are Lanasol reactive dyes (which are manufactured specially for protein fibers like silk & wool dyeing) then Liyuansol reactive dye (fluorine based dye which is specially manufactured for cotton dyeing) and finally, Lanacron acid dyes (which is commercially available for protein dyeing). The first and foremost aim of this study is to introduce fluorine based cotton-reactive dyes in silk under boiling temperate. On the basis of a number of experiments, influences of temperature, sodium sulfate consumption, time duration, sodium carbonate dosage and different pH were disclosed. Through orthogonal experiment, the optimum conditions of silk dyeing with above defined three dyes are defined. Results revealed that, fluorine based cotton reactive Liyuansol dyes has excellent or equal application performance at 90 O C dyeing temperature like the dyes that is specially manufactured for protein fiber (Lanasol) or specially manufactured acid dye (Lanacron).