EMI shielding and ESD performance evaluation of polycarbonate materials for electronic applications

Principal investigator: Paul Leu

Co-PI: Mostafa Bedewy

University: University of Pittsburgh

Industry partner: Convestro, LLC

This project quantitatively evaluates the electromagnetic interference shielding effectiveness and electrostatic discharge performance of electrically conductive polycarbonate materials, with emphasis on Covestro’s Makrolon thermally conductive portfolio. Conductive polycarbonates occupy an underexplored intermediate regime between metallic shields and insulating polymers, offering the potential for combined EMI attenuation, charge dissipation, thermal management, and structural functionality in a single, injection-moldable component. The work addresses a critical knowledge gap in application-relevant EMI and ESD performance for polymer-based enclosures, where metals impose penalties in weight, corrosion, and manufacturability. A systematic, measurement-driven framework will quantify shielding effectiveness as a function of material formulation, thickness, and frequency, while correlating EMI attenuation with electrical resistivity and charge dissipation behavior. Results will be organized within a FAIR, ontology-driven data framework to enable traceable analysis and future machine-learning optimization. The outcomes will provide quantitative design guidance for lightweight, corrosion-resistant alternatives to metallic EMI shielding in electronic systems.