How many types of microemulsion are possible?

three kinds
There are three kinds of microemulsions: oil dispersed in water (o/w), water dispersed in oil (w/o), and bicontinuous. The presence of o/w droplets is likely to be a characteristic of microemulsions where the amount of oil is low.

What is microemulsion technology?

Microemulsion Technology for Improved Fluid Recovery and Enhanced Core Permeability to Gas. Microemulsions are unique, thermodynamically stable, optically clear single phase blends of water, biodegradable water-immiscible solvent, co-solvent, and specially designed surfactant.

What is microemulsion used for?

Microemulsions have many commercially important uses: Water-in-oil microemulsions for some dry cleaning processes. Floor polishers and cleaners. Personal care products.

Which is the best definition of a microemulsion?

3.1 MICROEMULSIONS: DEFINITION AND HISTORY One of the best definitions of microemulsions is from Danielsson and Lindman [1] “a microemulsion is a system of water, oil and an amphiphile which is a single optically isotropic and thermodynamically stable liquid solution”.

How are microemulsions used as a drug delivery vehicle?

Microemulsions are clear, stable, isotropic mixtures of oil, water and surfactant, frequently in combination with a cosurfactant. These systems are currently of interest to the pharmaceutical scientist because of their considerable potential to act as drug delivery vehicles by incorporating a wide range of drug molecules.

What are the components of a microemulsion domain?

Microemulsion domains are usually characterized by constructing ternary-phase diagrams. Three components are the basic requirement to form a microemulsion: two immiscible liquids and a surfactant. The majority of microemulsions use oil and water as immiscible liquid pairs.

How are surfactant molecules dissolved in a microemulsion?

In ternary systems such as microemulsions, where two immiscible phases (water and ‘oil’) are present with a surfactant, the surfactant molecules may form a monolayer at the interface between the oil and water, with the hydrophobic tails of the surfactant molecules dissolved in the oil phase and the hydrophilic head groups in the aqueous phase.

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