Polüetüleenglükoolid

Polüetüleenglükoolid, often abbreviated as PEG, are a group of polymers with the general formula H(OCH2CH2)nOH. They are formed by the polymerization of ethylene oxide. The properties of PEG vary significantly with the length of the polymer chain, indicated by the 'n' value. Shorter chains are typically liquids, while longer chains are solids. PEGs are water-soluble and widely used in various applications due to their non-toxic and inert nature.

In the pharmaceutical industry, PEGs serve as excipients in drug formulations, acting as solvents, binders, and lubricants. They are also used in the development of drug delivery systems, including sustained-release formulations. In cosmetics and personal care products, PEGs function as humectants, emulsifiers, and solvents, found in items like lotions, shampoos, and toothpaste.

Industrial applications of PEGs include their use as lubricants, plasticizers, and chemical intermediates. They are also employed in the food industry as additives, though regulations vary by region. The versatility of PEG stems from its ability to be functionalized, allowing for the creation of derivatives with tailored properties for specific uses.