Search results
Results from the WOW.Com Content Network
Vat dyes are a class of dyes that are classified as such because of the method by which they are applied. Vat dyeing is a process that refers to dyeing that takes place in a bucket or vat. The original vat dye is indigo , once obtained only from plants but now often produced synthetically.
Pages in category "Vat dyes" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. ...
Vat dyes are essentially insoluble in water and incapable of dyeing fibres directly. However, reduction in alkaline liquor produces the water-soluble alkali metal salt of the dye. This form is often colorless, in which case it is referred to as a Leuco dye , and has an affinity for the textile fibre.
Vat brown 1 70802 anthraquinone 2475-33-4: Vat Green 1: Jade green base Vat green 1 59825 anthraquinone 128-58-5: Vat Green 9: Vat black BB Vat green 9 59850 anthraquinone 6369-65-9: Vat Orange 1: Vat golden yellow RK Vat orange 1 59105 anthraquinone 1324-11-4: Vat Yellow 1: Flavanthrone Indofast yellow Vat yellow 1 70600 anthraquinone 475-71-8 ...
Anthraquinone dyestuffs are structurally related to indigo dyestuffs and are classified together with these in the group of carbonyl dyes. [2] Members of this dye group can be found in natural dyes as well as in synthetic dyes. Anthraquinone dyestuffs are represented in mordant and vat, but also in reactive and disperse dyes.
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, in particular Indigofera tinctoria . Dye-bearing Indigofera plants were commonly grown and used throughout the world, particularly in Asia, with the production of indigo dyestuff economically ...
AOL latest headlines, entertainment, sports, articles for business, health and world news.
However, vat dyes, and especially indigo, must be treated after dyeing by 'soaping' to prevent the dye from rubbing (crocking) off. [5] Vat dyes can be used to simultaneously dye the fabric and to remove underlying fiber-reactive dye (i.e., can dye a black cotton fabric yellow) because of the bleaching action of the reducing bath.