AZOIC DYES PDF

Azoic dye definition is – any of a group of water-insoluble azo dyes formed by coupling of the components on the fiber —called also ice color, ingrain dye. The dyes containing azo groups – N = N – are called Azoic Dye. These are not ready made dyes but are produced by reaction of two. Structure, Chemical Name, CAS, MF. 4-Chloronitroaniline · , C6H5ClN2O2. 3-Chloromethylaniline · , C7H8ClN. 2-Amino

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Wash fastness is very good here. This practical will help us in our study life as well as job life.

In alkaline solution, coupling is done. In this way, dyeing procedure is completed. Definition, types and end uses Fabric Selvage Definition and types of yarn count Types and flow-chart of jute processing What is Resin finishing? It is directly insoluble in water. The yellow combination with AS — G and those with napthol eyes high substantivity are the most difficult one to strip.

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Comments on azoic dye What made you want to look up azoic dye? Dyes for Protein Fibers. Because of high degree of brightness, ease of application and excellent fastness properties except rubbing fastness which can be improved by using certain auxiliaries azoic combinations naphthol and bases are widely used in printing on cellulose fiber fabrics. Now steep the textile goods for a while after developing a bath contains 1.

Azoic Dye is not ready-made but this Azoic Dye is produced by the reaction of two components. Actually, these dyes are produced within the fibers itself.

Properties and Advantages of Azoic Dye – Textile Chapter

The average length of a spinnable fiber is called Staple Length. To remove excess HCl we should use Na — Acetate.

Explore the year a word first appeared. And the fabric becomes naphthaled. The environmental impact is low here.

An overview of Azo dyes

These are di-azo components and naphthol. Difference between Melt, Dry and Wet spinning.

So printing becomes uneven. Resources for azoic dye Time Traveler! Napthol dispersed in alcohol T.

Aozic More about azoic dye. Azoic dyes contain Azo group and azojc color is insoluble in water, so it is called Aoic Pigment. What made you want to look up azoic dye? For this production, first the fiber is impregnated with one component of these dyes and then the fiber is treated in another component of these dyes. The name AZO has been derived from the word azote and it meant nitrogen in the ancient time in French. Brightness of shade is also admirable.

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In this way the AZO dyes are formed. Addition of salt increases substantively. Why Azo Dye is so called? Suitable for lighter shade dyeing Light resistance: Marker efficiency is directly related to fabric cutting and h Function of different chemicals used in Napthol Dyeing. Trade name of Azoic color. Difference between Fast Salt and Fast Base. Pages Home Details Sitelisting two. LinkedIn Facebook Google Plus.

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