Related Experiment Video
Updated: Apr 25, 2026
06:31
Studying Surfactant Effects on Hydrate Crystallization at Oil-Water Interfaces Using a Low-Cost Integrated Modular Peltier Device
Published on: March 18, 2020
5.8K
Development of surfactant coacervation in aqueous solution
1Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China. yilinwang@iccas.ac.cn.
Soft Matter
|August 22, 2014
Summary
Surfactant coacervation, the separation of liquid phases driven by surfactants, has advanced significantly. This review details developments in various surfactant types and influencing factors.
Area of Science:
- Colloid and Surface Science
- Materials Chemistry
Background:
- Coacervation involves colloidal dispersion separating into two immiscible liquid phases.
- Surfactant coacervation specifically utilizes low molecular weight surfactants.
Purpose of the Study:
- To review the advancements in surfactant coacervation over the past two decades.
- To explore coacervation in diverse surfactant systems, including monomeric, one-head/two-tail, and gemini surfactants.
Main Methods:
- Literature review of studies on surfactant coacervation.
- Analysis of the impact of surfactant structure and external conditions on coacervation.
Main Results:
- Coacervation phenomena in monomeric, one-head/two-tail, and gemini surfactant systems are summarized.
- The influence of molecular structure and external factors on coacervation critical conditions and structures is described.
Conclusions:
- Surfactant coacervation is a dynamic field with ongoing developments in novel surfactant systems.
- Understanding the interplay between surfactant structure and environmental conditions is key to controlling coacervation.
More Related Videos
Related Concept Videos
03:22Colloids
17.1K
Children at play often make suspensions such as mixtures of mud and water, flour and water, or a suspension of solid pigments in water known as tempera paint. These suspensions are heterogeneous mixtures composed of relatively large particles that are visible to the naked eye or can be seen with a magnifying glass. They are cloudy, and the suspended particles settle out after mixing. On the other hand, a solution is a homogeneous mixture in which no settling occurs and in which the dissolved...
17.1K
01:30Micelles
353
Micelle formation is an intricate process that hinges on the properties of amphiphilic or amphipathic molecules and the conditions of the system in which they are found. Amphiphilic molecules, which have both hydrophilic (water-attracting) and hydrophobic (water-repelling) parts, play a critical role in this process.In aqueous environments, these molecules arrange themselves such that their hydrophilic heads are turned towards the water phase, while their hydrophobic tails are oriented away...
353
01:09Colloidal precipitates
5.7K
The high insolubility of some precipitates can result in an unfavorable relative supersaturation. This can lead to colloidal particles with a large surface-to-mass ratio, where adsorption is promoted. For instance, in the precipitation of silver chloride, silver ions are adsorbed on the surface of the colloidal particles, forming a primary layer. This layer attracts ions of opposite charge (such as nitrate ions), forming a diffuse secondary layer of adsorbed ions. This electric double layer...
5.7K
01:27Surface Active Agents
149
Surfactants, named for their behavior at interfaces, positively adsorb at the interfaces of two phases, reducing interfacial tension. Their versatility as emulsifiers, detergents, and foaming agents stems from this ability. Surfactants, often termed amphiphiles, share the property of amphipathy, with molecules having both hydrophilic and hydrophobic portions. The hydrophilic part is called the head, and the hydrophobic part, including an elongated alkyl substituent, forms the tail.Surfactants...
149
01:06Coagulation
1.5K
Colloidal solids are solid particles suspended in solution. They are usually negatively charged, attracting a compact primary layer of positively charged ions, which attract more counterions to form an electrical double layer. Electrostatic repulsion between the charged double layers prevents the particles from colliding, stabilizing the colloids. These solids are often undesirable because they can contain toxins that are difficult to remove. Coagulation is a technique that helps aggregate and...
1.5K
03:00Solubility
16.9K
Solution, Solubility, and Solubility Equilibrium
A solution is a homogeneous mixture composed of a solvent, the major component, and a solute, the minor component. The physical state of a solution—solid, liquid, or gas—is typically the same as that of the solvent. Solute concentrations are often described with qualitative terms such as dilute (of relatively low concentration) and concentrated (of relatively high concentration).
In a solution, the solute particles (molecules,...
A solution is a homogeneous mixture composed of a solvent, the major component, and a solute, the minor component. The physical state of a solution—solid, liquid, or gas—is typically the same as that of the solvent. Solute concentrations are often described with qualitative terms such as dilute (of relatively low concentration) and concentrated (of relatively high concentration).
In a solution, the solute particles (molecules,...
16.9K