What is The Difference Between Acidic Dyes and Basic Dyes?

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What is The Difference Between Acidic Dyes and
Basic Dyes?

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Acidic Dyes and Basic Dyes
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Difference Between Acidic Dyes and Basic Dyes

• Acid dyes based on a salt of a sulfuric,
  carboxylic or the phenolic organic acid. The
  salts are often sodium or ammonium salts. Basic
  dyes are cationic (ve charged) and so will react
  with the material that is (-ve) negatively
  charged. Basic dyes are usually applied to
  Acrylic fibers. Here you know the
  basic difference between Acidic Dyes and Basic
  Dyes.
• Dyes are coloring agents that give attractive
  shades to the fabric. With the advancement in
  technology, wide varieties of dyes are being
  used. They not only add colors but improve the
  texture and appearance of the fabric as well.
  Based on their properties, dyes are classified
  into several categories. For example, the two
  classifications acidic dye and the basic dye.

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Acidic dyes

• Experts say that these dyes are quite useful in
  staining fabric that is made from protein fibers.
  The binding of acidic dyes is the best with
  animal hair, e.g. alpaca hair or wool hair. Acid
  dyes show a high affinity towards polyamide
  fibers also. 
• As far as their chemical structure is concerned,
  then most of the acid dyes are sodium salts of
  sulphonic acid.
• They consist of salts of carboxylic acid,
  phenolic acid or sulfuric acid.

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• Acidic dyes are negatively charged. Hence, they
  work on the tissue component which is positively
  charged.
• Acid dyes contain the single azo group. The size
  of the acid dye molecule is bigger as compared to
  the basic dye. Dying is done in an acidic medium.
• Acid dyes form colored and colorless anions and
  cations respectively in the aqueous solution. 
  The washing fitness of the acidic dye ranges
  between two and five.

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Basic dyes

• These dyes are positively charged. Therefore,
  they get associated with the tissue components
  that are negatively charged.
•  
• Constructed mostly from cationic salts of bases
  the basic dyes change the appearance of the
  fabric and make it attractive.
• Though basic dyes are also ionic, but they are
  not similar to acid dyes or direct dyes. Basic
  dyes produce two types of ions colored cations
  and colored anions. 

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• Free subtracted amino groups form the coloring
  substance.
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• In the case of basic dyes, there is no azo group.
  However, there is a substitute amino group in
  this case. Dying is done in the neutral medium.
•  
• Basic dyes form colored cations and colorless
  anions in the aqueous solution.  The washing
  fitness of basic dye is between four and five.
•  
• Acidic or basic, the fundamental purpose of the
  dye is to make the product visually appealing.
  Which dye is suitable for a particular
  manufacturing process? Well, the question doesnt
  have a straightforward answer.

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Also Read

•  
• It is decided on the type of fabric, the
  complexity of the process and washing fitness.
  Based on the parameters mentioned before,
  technicians compare different dyes and choose one
  that best fits.
•  
• If you are looking for dyes and chemicals
  manufacturers in india then Sagar Colour Co. is
  one of the foremost acrylic dyes, cationic
  dyes and textile chemicals manufacturers in
  Gujarat as well as other parts of India.
•  
• What is the Difference Between a Pigment and a
  Dye?
•  
• What are the Differences between Cationic Dyes
  and Acrylic Dyes?

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CONTACT US

• Phone No- 261 7139999
• E-Mail- sagarcolourco_at_yahoo.com
• Address- 403, Empire Estate, Near
• Udhana Darwaja, Ring Road.
• Surat 395002, India.

Website- http//dyesmanufacturerindia.com/