polyurethane delayed action catalysts in microelectronic encapsulation materials: a comprehensive review abstract: microelectronic encapsulation plays a crucial role in protecting sensitive electronic components from environmental stressors and ensuring long-term device reliability. polyurethane (pu) resins are increasingly employed as encapsulation materials due to their tunable properties, excellent adhesion, and cost-effectiveness. however, the rapid reaction kinetics of...

polyurethane delayed action catalysts in microelectronic encapsulation materials: a comprehensive review abstract: microelectronic encapsulation plays a crucial role in protecting sensitive electronic components from environmental stressors and ensuring long-term device reliability. polyurethane (pu) resins are increasingly employed as encapsulation materials due to their tunable properties, excellent adhesion, and cost-effectiveness. however, the rapid reaction kinetics of...