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Original site in Italian language, the translations are handled automatically by the program using Google translation

Strength of Strength of Dyes & Colors

The term "solidity" means resistance to the degradation of dyes of different colors as a result of the terms and conditions of use of manufactures of cotton. The color can lose its original appearance as a result of 'exposure to sunlight, due to the sweat or rub (in the case of socks, sweaters and clothing in general ...)

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Dyeing section is edited by Mauro Castagnetti

Dye Pigmentation

The pigmentation of yarn dyeing of cellulosic fibers is suitable for light and dark tones, using dyes that allow the reduction in the winepress of the IK and also long-IIX, of yarns difficult to dye, for problems of unitezza and penetration. Diagram of cellulosic dyeing method with light pigmentation, dark.

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Tincture Seeds pigmentation

It 'used to dye cellulosic yarns in shades of light and medium, using dyes in the group (at 50-60 ° C) in the presence of a retarder used to regularize the uniformity of color.

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Indanthrene Dyeing with vat dyes

vat dyes are an important class of dyes for dyeing dyeing of cellulosic fibers, because it can provide solid colors and even brilliant, with the exception of the range of reds.

Very solid

use and manufacture. They are mainly used to dye yarn in cellulose fibers, are not very low and the procedure applied on mesh fabric. the reason is due to difficulties in implementation

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Two phases dye

The dyeing of the yarns can be done in two phases at different temperatures, relative to the two phases:

- The first phase = exhaustion of the dye with the electrolyte in the bath.

- The second phase = fixation of the dye to the fiber with alkali.

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Dyeing with reactive dyes

The dyes are, by definition, dyes that react chemically with the regenerated cellulose fiber, natural and artificial forms a bond "irreversible".

reactive dyes, on the market today, are grouped into different "sets" and have different dyeing behavior. The dyes are also distinguished into two main groups: - reactive hot - cold-responsive.

This distinction refers to factors related to both the substantivity, the reactivity of the dye is based on:

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