What are Surfactants?

Surfactants
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Surface-active agents (abbreviated surfactants) are amphiphilic molecules consisting of a lyophobic (hydrophobic when in water) and lyophilic (hydrophilic when in water) portions. They are classified according to the nature of the head group: anionic, cationic, amphoteric (zwitterionic), and nonionic. Speciality surfactants of fluorocarbons and silicones can lower the surface tension of water to values lower than conventional surfactants.
Amphiphiles; lyophobic; lyophilic; surface-active agents; surfactants; anionic; cationic; amphoteric; nonionic; alkyl polyglucosides; sucrose esters; gemini surfactants; biosurfactants; lipids; polymeric; krafft temperature; critical micelle concentration; cmc; surface tension; micellization; dynamics; equilibrium aspects; mixtures; surfactant-polymer interaction; adsorption; air/liquid; liquid/liquid; solid/liquid

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