1,4-Butanediol Bis(3-aminocrotonate) is primarily used as a crosslinking agent in polymer chemistry. It enhances the mechanical properties and thermal stability of polymers, making it valuable in the production of high-performance coatings, adhesives, and elastomers. In the coatings industry, it improves durability and resistance to environmental factors like UV radiation and chemicals. Additionally, it is utilized in the synthesis of polyurethane foams, where it contributes to better foam structure and strength. The compound also finds application in the development of advanced composites for aerospace and automotive industries, where lightweight yet strong materials are essential. Its role in modifying polymer networks makes it a key component in creating materials with tailored properties for specific industrial needs.