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8 juin 2011

Reactive Dyes on Wool and Silk

Reactive Dyes on Wool and Silk. Reactive dyes produce brilliant shade on wool with good fastness. They differ from reactive dyes for cellulose fibers because the reactivity of the chemoactive groups in wool is considerably higher than that of the hydroxyl...

Posté par vatdyes à 10:54 - Commentaires […] - Permalien [#]

Tags: dyes, Reactive Dyes

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8 juin 2011

Reactive dyes

For the continuous process, the materials must be carefully pretreated to guarantee rapid wetting and uniform absorption of liquor [5, pp. 254±264]. The padding liquor should contain an antimigration agent After dye application, the fabric is uniformly...

Posté par vatdyes à 10:53 - Commentaires […] - Permalien [#]

Tags: vat dyes, Reactive Dyes

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8 juin 2011

vat dyes

Vat dyes have been used for many decades to color cotton and other cellulose fibers. Despite their high cost and their muted colors, these dyes are extremely important for certain textiles because of their superior fastness. Very few new vat dyes have...

Posté par vatdyes à 10:43 - Commentaires […] - Permalien [#]

Tags: vat dyes, dyes

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8 juin 2011

disperse dyes

Disperse dyes are colorants with low water solubility that, in their disperse colloidal form, are suitable for dyeing and printing hydrophobic fibers and fabrics. Forerunners of the disperse dyes were the ionamine dyes of British Dyestuffs Corp.; these...

Posté par vatdyes à 10:20 - Commentaires […] - Permalien [#]

Tags: Disperse dyes, dyes

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8 juin 2011

Cotton yarns reduction vat dye's even dye problem

Pure cotton yarn dyed the export of textiles in China, demand also increasing number is increasing day by day. With its various fastness reduction vat dye s in the advantage of comprehensive superior, all kinds of dyes in the preferred position still....

Posté par vatdyes à 10:06 - Commentaires […] - Permalien [#]

Tags: vat dyes, Basic Dyes

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8 juin 2011

Vat Dyes for Fiber Blends

Polyester fibers are dyed to a considerable extent by selected low-molecular vat dyes with satisfactory fastness properties. They can be applied on CEL±PES fiber blends by the Thermosol process. Vat dyes are used for PA±CEL blends when the highest possible...

Posté par vatdyes à 11:00 - Commentaires […] - Permalien [#]

Tags: vat dyes

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8 juin 2011

Solvent dyes

Solvent dyes cannot be classified according to a specific chemical type of dyes . Solvent dyes can be found among the azo, disperse, anthraquinone, metal-complex, cationic, and phthalocyanine dyes. The only common characteristic is a chemical structure...

Posté par vatdyes à 10:45 - Commentaires […] - Permalien [#]

Tags: Solvent dyes

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