polüetüleenglükooli

Polüetüleenglükool, often abbreviated as PEG, is a polyether compound with the general formula H-(OCH2CH2)n-OH. It is synthesized through the polymerization of ethylene oxide. PEG exists as a viscous liquid or a waxy solid, depending on its molecular weight. It is soluble in water and many organic solvents, making it a versatile ingredient in various applications.

The properties of PEG vary significantly with its molecular weight. Lower molecular weight PEGs are liquids, while higher molecular weight PEGs are solids. Its polarity and hydrogen bonding capabilities contribute to its ability to interact with a wide range of substances. PEG is generally considered non-toxic and biocompatible, which has led to its widespread use in pharmaceuticals, cosmetics, and food products.

In the pharmaceutical industry, PEG is used as an excipient, a carrier for drug delivery, and as a laxative. In cosmetics, it acts as a humectant, emulsifier, and solvent in products like lotions, shampoos, and toothpaste. PEG's inert nature also makes it useful in industrial applications, such as lubricants and surfactants. Its biocompatibility is a key factor in its use in medical devices and tissue engineering. The specific grade of PEG used is determined by its intended application and required properties.