Sulfur dyes are the most commonly used dyes manufactured for cotton in terms of volume. They are inexpensive, generally have good wash-fastness, and are...

two categories: indigo dyeing (Indigo dye is a unique shade of blue) and sulfur dyeing (Sulfur dye is a synthetic organic dye and it is formed by sulphurisation...

Leuco dyes form the basis of thermal printer papers and certain pH indicators. The most common example is in applying sulfur dyes and vat dyes, with indigo...

method of dyeing cotton is declining in importance due to the toxic nature of the chemicals used. Sulfur dyes are inexpensive dyes used to dye cotton with...

Indigo dye is an organic compound with a distinctive blue color. Indigo is a natural dye extracted from the leaves of some plants of the Indigofera genus...

(nitrogen-bridged), xanthenes (oxygen-bridged), and thioxanthenes (sulfur-bridged). The amine-containing dyes are often prepared from Michler's ketone or its diethylamino...

synthetic vat and sulfur dyes before being applied. This renders the dye soluble so that it can be absorbed by the fiber since the insoluble dye has very little...

forces and hydrogen bonding dye the fibers. Metallized Dyes: metal complexes forms between the dye and fiber. Sulfur Dyes: dye is reduced and then oxidizes...

is not dehydrated by sulfuric acid but, to the contrary, dehydrates sulfuric acid to sulfur trioxide. Upon addition of sulfuric acid to water, a considerable...

oxidation of sodium sulfite with sulfur. It is also produced from waste sodium sulfide from the manufacture of sulfur dyes. This salt can also be prepared...