Poly(methyl methacrylate-co-methacrylic acid) is widely used in the production of advanced coatings and adhesives due to its excellent film-forming properties and adhesion capabilities. It is commonly applied in the automotive industry for creating durable and weather-resistant coatings on vehicle surfaces. Additionally, it is utilized in the manufacturing of pressure-sensitive adhesives, which are essential for labels, tapes, and other bonding applications. In the medical field, this copolymer is employed in the development of drug delivery systems, where its pH-responsive nature allows for controlled release of medications. It is also used in the formulation of personal care products, such as hairsprays and gels, providing long-lasting hold and flexibility. Furthermore, its biocompatibility makes it suitable for use in dental materials and orthopedic implants.