Polyelectrolyte

Polyelectrolyte

A polyelectrolyte is a polymer containing ionizable groups. Polyelectrolytes are classified into two types: weak and strong. The classification is based on the dissociation degree of the ionizable groups in the polymer.

Types of Polyelectrolytes

Weak Polyelectrolytes

Weak Polyelectrolytes are partially ionized in solution. The degree of ionization is dependent on the pH of the solution. Examples of weak polyelectrolytes include polyacrylic acid and polyamines.

Strong Polyelectrolytes

Strong Polyelectrolytes are fully ionized in solution, regardless of the pH. Examples of strong polyelectrolytes include poly(styrenesulfonate) and poly(diallyldimethylammonium chloride).

Applications of Polyelectrolytes

Polyelectrolytes have a wide range of applications in various fields. They are used in water treatment processes, in the production of paper, in cosmetics, and in pharmaceuticals. They are also used in biotechnology for DNA sequencing and protein purification.

See Also

• Polymer
• Ion
• Polyacrylic acid
• Polyamines
• Poly(styrenesulfonate)
• Poly(diallyldimethylammonium chloride)
• Water treatment
• Paper production
• Cosmetics
• Pharmaceuticals
• Biotechnology
• DNA sequencing
• Protein purification

Polyelectrolyte Resources
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