Thermally Conductive Polymer Composites

Thermally Conductive Polymer Composites is a comprehensive guide to this emerging thermal management material category, covering key principles, methods, and research directions. It discusses intrinsically thermally conductive polymers, fillers, and composites, as well as interfacial thermal resistance and practical applications.

Format: Paperback / softback
Length: 270 pages
Publication date: 01 January 2023
Publisher: Elsevier - Health Sciences Division

Thermally conductive polymer composites offer a comprehensive introduction to the fundamental principles, methodologies, and emerging research directions within this rapidly evolving field of thermal management materials. This comprehensive text delves into the realm of thermal conduction, encompassing its measurement techniques, thermal conduction mechanisms, and related theories. It also provides a review of classification and processing techniques that significantly influence the thermal conductivity performance of these composites. The discussion revolves around thermally conductive polymers, thermally conductive fillers, and thermally conductive polymer composites, highlighting their unique characteristics and applications. Furthermore, the interfacial thermal resistance is extensively explored, encompassing basic concepts, theoretical research, and characterization methodologies. Finally, the practical applications of thermally conductive polymer composites are showcased, encompassing thermally conductive plastics, thermally conductive rubbers, and thermally conductive adhesives.

Thermal conductivity is a fundamental property of materials that determines their ability to transfer heat. It is quantified by the quantity of heat transferred per unit time and length through a material. Thermally conductive polymers, such as polycarbonate, polyethylene, and polystyrene, are commonly used in electronic devices, thermal insulation, and energy-efficient construction materials due to their high thermal conductivity. Thermally conductive fillers, such as graphite, silver, and copper, are added to polymers to enhance their thermal conductivity. Thermally conductive polymer composites are a combination of thermally conductive polymers and fillers that are designed to improve the overall thermal conductivity of the material.

Thermal conductivity plays a crucial role in various industries, including electronics, automotive, aerospace, and construction. In electronics, thermally conductive polymers are used in heat sinks, heat spreaders, and packaging materials to dissipate heat generated by electronic components. In automotive, thermally conductive composites are used in engine components, exhaust systems, and interior components to reduce heat transfer and improve fuel efficiency. In aerospace, thermally conductive composites are used in aircraft components, such as wings and fuselages, to reduce weight and improve thermal performance. In construction, thermally conductive composites are used in building insulation, roofing materials, and windows to improve energy efficiency and reduce heat loss.

Thermally conductive polymer composites offer several advantages over traditional thermal management materials. They are lightweight, durable, and easy to process, making them suitable for a wide range of applications. They also have a high thermal conductivity, which allows for efficient heat transfer and dissipation. Additionally, thermally conductive composites can be customized to meet specific requirements, such as electrical conductivity, flame resistance, and chemical resistance.

However, there are also challenges associated with the use of thermally conductive polymer composites. One of the main challenges is the interfacial thermal resistance, which can limit the overall thermal conductivity of the composite. Interfacial thermal resistance occurs when the interface between the polymer and the filler is not uniform or smooth, leading to thermal bridging and reduced heat transfer.

To address this challenge, researchers have developed various techniques to improve the interfacial thermal resistance of thermally conductive polymer composites. These techniques include surface modification, such as plasma treatment or chemical grafting, to enhance the wettability and bonding between the polymer and the filler. Additionally, the use of nanofillers, which have a smaller size than traditional fillers, can improve the interfacial thermal resistance by increasing the surface area and promoting better heat transfer.

In conclusion, thermally conductive polymer composites are a promising thermal management material category that has the potential to revolutionize various industries. They offer a high thermal conductivity, lightweight, durability, and easy processing, making them suitable for a wide range of applications. However, the interfacial thermal resistance is a challenge that needs to be addressed to optimize the thermal performance of these composites. By developing innovative techniques and materials, researchers can continue to improve the interfacial thermal resistance and enhance the practical applications of thermally conductive polymer composites.

Weight: 450g
Dimension: 229 x 152 (mm)
ISBN-13: 9780323952316