Poly(ethylene-co-acrylic acid) is widely used in the packaging industry due to its excellent adhesive properties and compatibility with various substrates. It is often employed as a coating material to enhance the barrier properties of films, protecting contents from moisture and gases. In the medical field, it is utilized in the production of biocompatible films and membranes, which are essential for drug delivery systems and wound care products. Additionally, this copolymer finds application in the automotive industry, where it is used in the manufacturing of components that require resistance to chemicals and environmental stress. Its versatility also extends to the textile industry, where it is incorporated into fabrics to improve durability and water repellency.