Characteristics and reasons of fluorinated surfactants

The characteristics of fluorinated surfactants mainly include high surface activity, high thermal stability, high chemical stability, and both hydrophobicity and oleophobicity. The reason for these characteristics lies in the special structure and properties of the fluorocarbon chain.

Characteristics of Fluorine Surfactants

High surface activity: The minimum surface tension value of fluorinated surfactants is below 20mN/m, and can even reach 15mN/m, which allows it to significantly reduce the surface tension of solutions at extremely low concentrations and has extremely high surface activity. ‌

High thermal stability: The bond energy of fluorocarbon bonds is very high, which allows fluorinated surfactants to remain stable at high temperatures and is not easily decomposed or denatured. ‌

High chemical stability: Fluorine atoms are difficult to polarize, and the chemical stability of fluorocarbon chains is very high, which can resist corrosion from strong acids, bases, and oxidants. ‌

Hydrophobic and oleophobic: The hydrophobic and oleophobic properties of fluorocarbon chains enable fluorosurfactants to reduce surface tension at the water oil interface, forming stable lotion or foam. ‌