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...
5 KB (766 words) - 13:11, 25 January 2024
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...
4 KB (473 words) - 04:35, 5 June 2024
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...
24 KB (2,807 words) - 16:18, 19 January 2024
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...
41 KB (3,926 words) - 09:48, 10 June 2024
(nitrogen-bridged), xanthenes (oxygen-bridged), and thioxanthenes (sulfur-bridged). The amine-containing dyes are often prepared from Michler's ketone or its diethylamino...
5 KB (407 words) - 10:04, 4 June 2024
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...
27 KB (3,284 words) - 23:53, 1 July 2024
Fiber analysis (section Dyes)
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...
7 KB (752 words) - 02:47, 7 July 2023
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...
64 KB (7,163 words) - 15:14, 18 August 2024
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...
14 KB (1,298 words) - 01:19, 18 July 2024