What are the characteristics of Gemini surfactants?

What are the characteristics of Gemini surfactants?

Gemini surfactants contain two hydrophilic head groups and two hydrophobic tails linked by a spacer at the head groups or closed to them. When both hydrophobic parts are the same and hydrophilic groups are identical, then gemini surfactant forms symmetric structure (Figures 2–4) [37].

What is surfactant PPT?

Surfactants are amphiphilic molecules composed of a hydrophilic or polar moiety known as head and a hydrophobic or nonpolar moiety known as tail. The nature and number of polar and nonpolar groups – Hydrophilic, Lipophillic or somewhere in between.

What are the application of surfactants?

Surfactants play an important role as cleaning, wetting, dispersing, emulsifying, foaming and anti-foaming agents in many practical applications and products, including detergents, fabric softeners, motor oils, emulsions, soaps, paints, adhesives, inks, anti-fogs, ski waxes, snowboard wax, deinking of recycled papers.

What is a conventional surfactant?

Conventional surfactant molecules (single chained amphiphile) are composed of a long hydrophobic hydrocarbon tail with an. ionic or polar hydrophilic head. An example of an anionic. surfactant is sodium dodecyl sulphate (CH/CH2)”OS03-Na+)

What are the properties of surfactants?

Surfactants, or surface-active agents, are amphiphilic molecules. Their heads are polar, or hydrophilic, and their tails hydrophobic. They are soluble in both organic solvent and water. The surfactant reduces the surface tension of water by adsorbing at the liquid–gas interface.

What are types of surfactants?

The answer is yes, there are four different types of surfactants which are nonionic, anionic, cationic, amphoteric. These surfactants differ in composition and polarity. Surfactants also known as surface active agents, are used to lower the surface tension between liquids.