Succinic anhydride terminated polydimethylsiloxane is widely used in the field of polymer modification and surface treatment. Its reactive succinic anhydride groups allow it to act as a coupling agent, enhancing the compatibility between organic and inorganic materials. This makes it valuable in creating hybrid materials with improved mechanical properties, such as increased toughness and flexibility.

In coatings and adhesives, it serves as a functional additive to improve adhesion to various substrates, including metals, plastics, and glass. Its silicone backbone provides water repellency and thermal stability, making it suitable for protective coatings in harsh environments.

In the biomedical field, it is utilized for surface modification of medical devices and implants. Its biocompatibility and ability to form stable bonds with biomaterials make it ideal for enhancing the performance of drug delivery systems and tissue engineering scaffolds.

Additionally, it is employed in the synthesis of block copolymers, where it helps tailor the material's properties for specific applications, such as in membranes, elastomers, or surfactants. Its versatility and reactivity make it a key component in advanced material development.