Polüetüleenoksiid

Polüetüleenoksiid (PEO) is a water-soluble polymer with a wide range of applications due to its unique properties. It is a linear polymer of ethylene oxide, typically with a high molecular weight, which contributes to its viscous and gel-like nature in aqueous solutions. PEO is known for its biocompatibility, non-toxicity, and low irritation potential, making it suitable for use in various fields, including medicine, personal care, and industrial processes.

In the medical field, PEO is employed in drug delivery systems, wound dressings, and as a component in artificial tissues. Its ability to form hydrogels allows for controlled release of therapeutic agents. In cosmetics and personal care products, PEO acts as a thickener, emulsifier, and lubricant in items such as lotions, shampoos, and toothpaste. Industrially, PEO finds use as a flocculant in water treatment, a binder in ceramics, and as a lubricant in mining operations.

The properties of PEO can be tailored by adjusting its molecular weight and concentration. Higher molecular weights result in increased viscosity and gel strength, while lower molecular weights offer better solubility and flow characteristics. PEO is synthesized through the ring-opening polymerization of ethylene oxide, usually catalyzed by anionic or cationic initiators. Its versatility and favorable safety profile continue to drive its application in an ever-expanding array of products and technologies.