Surfactant | Definition, Properties, Examples, & Facts | Britannica
2024年11月8日 · Surfactant, substance such as a detergent that, when added to a liquid, reduces its surface tension, thereby increasing its spreading and wetting properties. In the dyeing of textiles, surfactants help the dye penetrate the fabric evenly.
Surfactant - Wikipedia
Surfactants are chemical compounds that decrease the surface tension or interfacial tension between two liquids, a liquid and a gas, or a liquid and a solid. The word "surfactant" is a blend of surface-active agent, [1] coined in 1950. [2] .
Surfactant - an overview | ScienceDirect Topics
Surfactants are substances that create self-assembled molecular clusters called micelles in a solution (water or oil phase) and adsorb to the interface between a solution and a different phase (gases/solids). To show these two physical properties, a surfactant must have a chemical structure with two different functional groups with different ...
Surfactants: Mechanism of action, Types, Applications - Science Info
2024年2月15日 · Surfactants are surface active agents, which means “active on the surface.” Surfactant reduces surface and interfacial tension by adsorbing to surfaces and interfaces. “interface” refers to the link between two immiscible phases, while “surface” refers to a gas, such as air. Surfactants offer significant benefits in various textile wet processes.
Surfactant Definition and Examples - Science Notes and Projects
2022年1月1日 · Most surfactants are organic compounds that contain hydrophilic or water-loving “heads” and hydrophobic or water-fearing “tails”. In other words, the molecules are amphiphilic. The hydrophilic head is polar and may (or may not) carry an electrical charge. The hydrophobic tail is a hydrocarbon, siloxane, or fluorocarbon.
Surfactant Definition and Examples - ThoughtCo
2019年3月31日 · Surfactants or tensides are chemical species that act as wetting agents to lower the surface tension of a liquid and allow for increased spreadability. This can be at a liquid-liquid interface or a liquid- gas interface.
What Are Surfactants - Action of Surfactants, Structure, Types …
Surfactants are a category of chemical compounds that are used in lowering the surface tension (or interfacial tension) between different compounds, such as two liquids or between a gas and a liquid, or it can also be between a liquid and a solid. Surfactants are categorised as organic compounds and are amphiphilic in nature.
Surfactant - an overview | ScienceDirect Topics
Surfactants are amphiphilic molecules that lower the surface tension at interfaces. Interface can be of solid-liquid, liquid-liquid, or vapor-liquid. The term surfactant refers to as SURFace-ACTive AgeNT. They are the primary components of cleansing agents.
Surfactant - an overview | ScienceDirect Topics
Hydrophilic surfactants are water-soluble and are used for solubilization, detergency, and for products that will dilute readily with water. Lipophilic surfactants are used to couple water-soluble materials into a nonaqueous oil-based system.
What Are Surfactants | School of Chemistry - University of Bristol
A surfactant molecule posses both a polar “water-loving” headgroup attached to a non-polar “water-hating” (or “oil-loving”) tail. Due to their dual nature, they are associated with many useful interfacial phenomena, and as such are key components for …