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What Is Basic Dyes || Properties Of Basic Dyes

Basic dyes and its application in dyeing and printing process are interesting. Jute fiber and its generated products are treated with basic dyes. I have written about the jute fabric printing with basic dyes in one of my blog post. I think that’s will help you to know about the printing process of basic dyes.

Basic dyes are called cationic dyes because when salts of organic bases are ionize into anionic and cationic part that’s time cation is the responsible for color production. On the otherhand basic dyes are basically hydro-chloride or salts of organic bases. Generally they are in-soluble in water but it becomes in soluble form when treated with alcohol or methylated spirit. Basic dyes dyeing are carried out in acidic form. Dyeing process for different fibers are varies.

Properties of basic dyes: Like other dyes; basic dyes have some own characteristics. Followings are the main characteristics of basic dyes:

  • Basic dye is a synthetic class dye.
  • Cationic part of the salt is responsible for color production.
  • Basic dyes are water insoluble but soluble in alcohol and methylated spirit.
  • Basic dyes are hydro-chlorides or salts of organic salts.
  • Basic dyes are applied in acidic condition.
  • Very brilliant shade can be produced by basic dyes.
  • Fastness properties of these dyes are average to good.
  • Mainly basic dyes are suitable for jute dyeing and jute printing but wool, acrylic fibers also can be dyed by basic dyes.
  • Leveling properties of these dyes are very poor.
  • Cotton has no affinity for basic dyes but dyeing of cotton could be carried out by mordanting, fixing and dyeing operation.
  • Basic dyes are comparatively cheap in price.

We know that reactive dyes, azoic color, sulphur dyes are used for dyeing cellulosic fiber but basic dyes also can be apply for this.

So, do your job and dye and print your product with basic dyes.

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