Chemical crosslinking is a process where chemical bonds form between polymer chains, creating a three-dimensional network. This enhances the material's strength, stability, and resistance to heat and chemicals. Crosslinked materials are commonly used in various applications, including adhesives, coatings, and elastomers. The crosslinking can occur through different methods, such as heat, radiation, or chemical agents. For example, in the production of rubber, crosslinking agents like sulfur are used to improve elasticity and durability. This technique is essential in industries like plastics, rubber, and biomaterials, where enhanced material properties are crucial for performance.