The book presented to readers is a part of my Masterly Scholar work carried out at Institute of Chemical Technology, Matunga, Mumbai, India. The work presents a unique methods of recycling polyurethanes using amines so the method is aminolysis i.e solvolysis. The book will guide you through the work carried out on polyurethane foam recycling, the novel technique used to destroy the urethane linkages i.e microwave methods has also been studied and compared with conventional methods, I hope you would enjoy reading my manuscript.