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

In alkaline solution, coupling is done. And vyes one way more correct than the others? Azoic Dyes are also called as Azoic or Nepthol Dyes.

Azoic Dye ~ Define Textile

Comments on azoic dye What made you want to look up azoic dye? From this reaction the required insoluble AZO dye is produced. Resources for azoic dye Time Traveler!

Definition of dhes dye.

Properties and Advantages of Azoic Dye – Textile Chapter

To make them soluble in water the textile materials are impregnated in a solution of Napthol and NaOH. And mixed them very well.

Impregnation Bath 1st bath. For making naphthol solution, at first naphthol and glycerine are added in dye bath. Normally two baths are needed for dyeing: Parameter Melt spinning Dry spinni The yellow combination with AS — G and those with napthol of high substantivity are the most difficult one to strip. Name of dyed experiment: Here dyeing operation is completed by two bath arrangement. Two bath of individual recipe is used for dyeing with azo dyes.

Azoic dyes

Azoic dye is comparatively cheap than other dyes. Formation of Azoic Dyes. Start dyex free trial today and get unlimited access to America’s largest dictionary, with:.

By treating a fiber with diazoic and coupling components, this process can be achieved.

Marker efficiency is directly related to fabric cutting and h One is called impregnation bath and another is called developing bath. And the fabric becomes naphthaled.

Difference between Fast Salt and Fast Base. Addition of salt increases substantively. Get Word of the Day daily email!

Coupling Compound Naphthol Di-azo —compound or diazo base or diazo salt. Spin finish are the lubricant which provides surface lubricating, plasticizing and static protection to manmade fiber.

Azoic dye also named as Napthol, Branthol, Magic and Ice color. Properties of Azoic Dye: The name AZO has been derived from the word azote and it meant nitrogen in the ancient time in French.

An overview of Azo dyes

Advantages of Azoic Dye: Explore to learn and share Then we will observe the color will come out completely from that sample. Azoic dyes are produced by a reaction between dyees components. High fastness characteristics of this dyestuff admirable. This practical will help us in our study life as well as job life. Take the quiz Naughty or Nice Quiz He’s making azpic quiz, and checking it twice Azoic dye is that which has insoluble azo group.