vat dye


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vat dye

n.
A dye, such as indigo, that produces a fast color by impregnating fiber with a reduced soluble form that is then oxidized to an insoluble form.

vat′-dyed′ adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

vat dye

n
(Dyeing) a dye, such as indigo, that is applied by first reducing it to its leuco base, which is soluble in alkali, and then regenerating the insoluble dye by oxidation in the fibres of the material
ˈvat-ˌdyed adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

vat′ dye`


n.
any of a class of water-insoluble dyes that are taken up by textile fibers and then fixed by oxidation.
[1900–05]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.vat dye - a water-insoluble dye that is applied by reducing the dye to an alkaline form, applying the dye, then regenerating the insoluble dye by oxidation in the materialvat dye - a water-insoluble dye that is applied by reducing the dye to an alkaline form, applying the dye, then regenerating the insoluble dye by oxidation in the material; used for dyeing cotton
dye, dyestuff - a usually soluble substance for staining or coloring e.g. fabrics or hair
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Woad is a vat dye and requires a complex chemical process to create the conditions in which cloth can be dyed blue.
Vat dye colours Dye decolourization (%) Vat Yellow 83.5 Vat Orange 85.7 Vat Green 48 Vat Black 81 Note: Table made from bar graph.
Indigo is basically a vat dye; the blue pigment is insoluble and can only adhere to textile fibres when it is reduced to its colourless form.
The market has also been segmented on the basis of product types--dyes (reactive dye, disperse dye, sulfur dye, VAT dye, acid dye, direct dye, basic dye, and others), organic pigments (azo, phthalocyanines blues and greens, and high performance pigments), and inorganic pigments (titanium dioxide, iron oxide, and others).
The market has also been segmented on the basis of product types - dyes (reactive dye, disperse dye, sulfur dye, VAT dye, acid dye, direct dye, basic dye, and others), organic pigments (azo, phthalocyanines blues and greens, and high performance pigments), and inorganic pigments (titanium dioxide, iron oxide, and others).
Denim is made from a vat dye, the Indigo dye, which is applied to the cotton fabric in the loosely held form in layers.