Future trends in polyurethane insulation include the development of organic-inorganic composite foams, which improve mechanical strength and microbial resistance while maintaining thermal performance. Research into sustainable blowing agents, such as n-pentane, aims to reduce environmental impact without compromising insulation properties. Additionally, advancements in leakage detection systems and smart monitoring technologies will further enhance the reliability of polyurethane-insulated pipelines, making them a cornerstone of next-generation infrastructure.