Thermally Conductive Epoxy Composites Using Porous Boron Nitride Network and Polydopamine-Treated Aluminum Oxide
Source abstract
Abstract
A high-performance thermally conductive composite was fabricated by using epoxy (EP) and hybrid fillers consisting of polydopamine (PDA)-treated alumina (AO) and a porous boron nitride (BN) network with carbonized cellulose nanofibers (BNCNF). The continuous heat transfer paths were formed by freeze-cast porous BN. Moreover, the improved interfacial interaction between filler and matrix was achieved by hydrogen bonding derived from amin group on PDA-AO and hydroxyl group on BNCNF. This composite exhibited a high thermal conductivity (4.3 W m –1 K –1, 2050% enhancement compared to pure EP) along the through-plane direction within the matrix and improved tensile stress (80.86%). Based on these findings, it can be concluded that the EP/BNCNF/PDA-AO composites have the potential to significantly improve thermal management in electronic devices. The fabricated epoxy composites also exhibited promising characteristics for the development of thermal management systems.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Thermal properties of materials · Synthesis and properties of polymers · Advanced Sensor and Energy Harvesting Materials
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Chemical Engineering and Materials Science, Chung-Ang University, Seoul 156-756, Republic of Korea
Department of Advanced Materials Engineering, Chung-Ang University, Anseong-si, Gyeonggi-do 17546, Republic of Korea
Graduate School of Intelligence Energy and Industry, Chung-Ang University, Seoul 06974, Republic of Korea
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