dyes and dyeing
A Study of Physico-Chemical Properties, Exhaust Dyeing of Cotton with Synthesized azo-reactive Dyes and Their Printing Applications
... of dyeing of cotton with reactive dyes, dyes forms linkage with hydroxyl group of the fiber by either substitution or addition reactions to make covalent ...reactive dyes rely on an elevated ...
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Effectively utilize the natural resources as mordants and dyes for dyeing of cotton
... the dyeing effect of Marigold and Turmeric dyes on silk and knitted cotton ...dye dyeing on knitted cotton was found to be premordanting by studying with other methods such as simultaneous and post ...
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Ecofriendly” synthesis, characterization and dyeing of azo based acid dyes on nylon fabrics
... azo dyes of Cu, Ni and Co have been yielded from 5-Bromo-2{[5- hydroxy-3-methyl]-1-{[2’-methyl-5’-sulfophenyl)-1H-pyrazol-4yl]diazenyl benzoic acid and aqueous solution of metals derived from diazonium salt of ...
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Kinetic and Thermodynamic Analysis Study of the Dyeing Process of Acrylic Fabrics With Basic Dyes in Presence of Organic Solvents
... the dyes until they exceed the critical energy value necessary for the transfer of dye from the solution to the ...for dyeing of fiber to obtain better penetration and high affinity as shown in Table ...
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Kinetic Study of Dyeing Acrylic Fabrics With Basic Dyes in Presence of Organic Solvents
... of dyeing acrylic fibers with basic dyes in the presence of small amounts of the solvents butanol and 1-4 Dioxane has been ...of dyeing, which was found to decrease with increasing concentration of ...
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Synthesis, Characterization of Some AZO Dyes for Dyeing Polyester Fabric J. A. Chaudhari
... The dyes were applied to polyester, nylon and polyester/cotton blend using the methods described ...The dyes gave very good levelness and fiber penetration on polyester nylon and polyester/cotton ...The ...
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Colour and Dyeing Properties of Hetarylazo Disperse Dyes: Visual and Instrumental Evaluation
... these dyes had a rating of E which designated them as “very slow” with regard to their adsorption ...of dyeing test) [9a] and “poor” with regard to their temperature range properties ...slow dyeing, ...
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Investigation into the dyeing of wool with Lanasol and Remazol reactive dyes in seawater
... textile dyeing areas and alternative colouration technologies based on low liquor processing, waterless dyeing and SCF dyeing have been developed as solutions to this logistical ...for dyeing ...
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Synthesis and Applications of Three Vinylsulfone Based Fiber-reactive azo Dyes for Dyeing Cotton Fabric
... reactive dyes were synthesized and applied to mill desized, bleached and mercerized textile fabric (100% ...thermosol dyeing method was utilized due to less hazardous environmental affects and high dye ...
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Extraction of Natural Dyes for Textile Dyeing from the By-Products of the Timber Industry
... natural dyes for textile dyeing ...test dyeing on cotton, nylon 66 and acrylic fabrics were ...direct dyes and in the presence of copper Sulphate or iron (II) Sulphate, Tin (II) chloride and ...
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Study of Fluorescent Dyeing Process and Influence of Mixture Dyes on High-visibility
... fluorescent dyes have long been used mainly for the dyeing of flat materials, especially ...fluorescent dyes causes a significant increase in color brightness, which makes the dyed materials more ...
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A Comparison of Mordant Dyes and Natural Dyes in Dyeing Cotton Fabric.
... textile dyeing (40). Second, dye isolation and the complexity of the dyeing process make these dyes cost more to use in industrial production ...natural dyes have poorer color fastness ...
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Synthesis, characterization and dyeing assessment of acid azo dyes based on 3 (2 amino thiazol 4 yl) coumarin on woolen fabric
... in dyeing textiles, leather, paper, food, cosmetic products (Zhi-Gang et ...azo dyes containing aromatic heterocyclic moiety have been investigated due to their wide ...azo dyes have been ...
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Synthesis of Novel Acid Dyes with Coumarin Moiety and Their Utilization for Dyeing Wool and Silk Fabrics
... acid dyes on wool fibre. The data revealed that at lower dyeing pH values (pH 4), the substantivity of the acid dyes on wool was virtually ...
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New azo disperse dyes containing cyclohexanone ring for dyeing polyester and nylon fabrics
... for dyeing 100% polyester fabrics and ny- lon(6,6) were kindly provided by the Misr Beida Dyers company, Alexandria, Egypt, a product of Misr for synthetic fibers company, Kafr El-Dawar, ...the dyes were ...
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Synthesis and dyeing performance of some amphiphilic naphthalimide azo disperse dyes on polyester fabrics
... the dyeing properties of a dye, but the hydroxyl and alkyl group appear to be particularly useful in increasing polarity without excessive undesirable side ...of dyes, which confers low surface activity, ...
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Synthesis and Dyeing Performance of Some New Disperse Dyes Based on Coumarin Moiety
... azo dyes exhibited good to excellent fastness to wash, acidic and alkaline ...after dyeing indicates good penetration into, and affinity of these dyes for the fabric ...
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Studies on synthesis and dyeing performance of disperse azo dyes based on schiff base of ninhydrin and 4 amino phenol
... (2-[(4-hydroxyphenyl)imino]-1H-indene-1,3(2H)-dione) (3) has been synthesized by adding the methanolic solution of ninhydrin and 4-amino phenol in equimolar ratio. The reaction mixture was the refluxed on a water bath ...
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Reuse of liquid waste from textile dyeing with natural dyes gambier (Uncaria Gambir Roxb ) for cotton yarn dyeing
... Textile industries is developing rapidly today generally use synthetic dyes. It produces a lot of waste water which contains a number of pollutants including toxic contaminants. Most of dyes used in textile ...
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Use of Cationized Cotton for Textile Effluent Color Reduction
... all dyeing effluents and the most effective form of treatment will depend on the type of dyeing performed and the chemical composition of the ...the dyes, structures of the dyes or the ...
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