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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For this reason dyse dye is called Magic color. The average length of a spinnable fiber is called Staple Length. Then add slowly in it, the rest hot water and stir mix constantly. Stripping method of Azoic color: Test method of Azoic color. Resources for azoic dye Time Traveler! The difference between melt spinning, dry spinning and wet spinning is given below: As the first coupling component is Napthol color.

Azoic dyes

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Now the bath is ready for steeping textile goods for a few minutes In this bath, any naptholated goods, excepting the napthol AS — G will look yellow. Wash fastness is very good here. With Azoic Dyes all types of szoic can be dyed. Please tell us where you read or heard it including qzoic quote, azoc possible. It is directly insoluble in water. 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.


He is working with one European textile machinery company as a country agent. This dyestuff always contains azo groups in its chemical structure. Now treating the above naptholated or impregnated goods for 2 — 3 minutes in this bath.

What made you want to look up azoic dye? Difference between Melt, Dry and Wet spinning. Now this liquor and sample are to come in an oxidizing action in the presence of air or an oxidizing agent. Azoic dyes are used for producing bright shade of color such as orange, red, scarlet, navy blue, and black color. Especial thanks to our teacher and his assistants for great co-operation.

In Greek, a means not and zoe means to live. Addition of salt increases substantively. Suitable for lighter shade dyeing Light resistance: Dictionary Entries near azoic dye azo dye azofication azoic azoic dye azoimide azole Azolla.

An overview of Azo dyes – Textile Apex

Parameter Melt spinning Dry spinni Is Singular ‘They’ a Better Choice? When these dyes are used upon the dyed fabric then initially this fabric starts to suffer from poor rub fastness. Mazharul Islam Kiron is a textile consultant and researcher on online business promotion.

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Dyee NaOH is added into the bath. Azoic Dyes are also called as Azoic or Nepthol Dyes. This practical azioc help us in our study life as well as job life. Finally thickener and required amount of water is added and stirred them very well for getting required viscosity. Addition of salt increases the substantivity. Marker efficiency is directly related to fabric cutting and h Share to Twitter Share to Facebook. Ultimate color product is insoluble. Now treat the sample up to boiling stage.

Start your free trial today and get unlimited access to America’s largest dictionary, with:. These AZO Dyes consist a group i. These dyes cannot be applied directly on the fibers as dyes.

It has good color fastness. For making naphthol solution, at first naphthol and glycerine are added in dye bath. And the fabric becomes naphthaled. Definition of azoic dye. After printing the printed fabric is dried at for minute in a dryer.

Then fabric is immersed into this solution for few minutes. Need even more definitions? Some key properties of azoic dye have pointed out in the below:. Then acetic acid and sodium acetate are added into the dye bath.