direct dye


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Related to direct dye: Mordant Dye, Reactive dye, disperse dye

direct dye

n
(Dyeing) any of a number of dyes that can be applied without the use of a mordant. They are usually azo dyes applied to cotton or rayon from a liquid bath containing an electrolyte such as sodium sulphate
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.direct dye - dye with a high affinity for cellulose fibers (cotton or rayon etc.)
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 ?
In terms of value, direct dye segment has a relatively low share of 10.7% in 2016 with a CAGR of 4.2%.
Malachite green (MG) or aniline green is also a triarylmethane nonbiodegradable organic dye which is widely used as a direct dye in silk, wool, jute, and leather industries and is amongst the major industrial effluents from these industries.
Ganjali et al., "Comparison of Moringa stenopetala seed extract as a clean coagulant with Alum and Moringa stenopetala-Alum hybrid coagulant to remove direct dye from textile wastewater," Environmental Science and Pollution Research, vol.
Szabadai, "Experimental and mathematical study of the aggregation of a green trisazo direct dye," CHEMISTRY MAGAZINE, vol.
I used Manic Panic Hot Pink, which is a direct dye and is safe for kids.
Malachite Green dye is a direct dye used on wool, jute, silk, cotton, leather and paper.
The effects of solution pH on the removal of Polar Yellow GN as an acid dye and Solophenyl Red 3BL as a direct dye onto polyamide-6/chitosan nanofibrous membrane are shown in Figure 6.
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).
Finally, direct dye attachment provided an easy, fast, and reliable conjugation method that was controllable and quantifiable, making 800CW dyes potentially applicable to a wide range of assay types for antibodies, proteins, DNA, etc.
Solophenyl Blau AGFL 400% direct dye from Ciba Geigy was used in a dyeability test of woven cotton fabric.
The triple dye mixture is made with a blue acid dye, a red direct dye and a yellow disperse dye (the terms 'acid', 'direct' and 'disperse' will be explained later).
By November of 1885, matters had become so bad for Bayer that a major Berlin financial newspaper forecast the company's imminent doom and advised investors to sell their shares of Bayer stock.[11] But Bayer was soon rescued by the "discovery" of their own direct dye, actually only a minor chemical alteration of Congo red.[8] After prolonged secret negotiations, Bayer and AGFA avoided a costly patent lawsuit by forming a cartel for the purpose of sharing the profits from each other's dyes, including Congo red.