[3PS-251]
Optimization of Exfoliation and Thermal Conductivity Enhancement of HDPE/h-BN Composites using Ludovic Simulation
발표자윤보영 (충남대학교)
연구책임자구자승 (충남대학교)
Abstract
With the miniaturization of electronic devices, next-generation thermal management is paramount. This study develops high-performance composites by incorporating hexagonal boron nitride (h-BN) into a high-density polyethylene (HDPE) matrix. To overcome h-BN's strong interlayer forces and establish efficient thermal paths, bulk h-BN must be exfoliated into nanosheets and uniformly dispersed. We utilized twin-screw extrusion and Ludovic numerical simulations to analyze complex flow behaviors. A specialized two-stage mixing zone was engineered to distribute shear forces, preventing HDPE degradation and h-BN fracture. By optimizing kneading block angles and reverse element configurations, optimal exfoliation conditions were established, which are verifiable via XRD and laser flash analysis (LFA). This research is expected to contribute significantly to the development of high-performance thermal composites through simulation-driven precision process design.