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Nano-functionalized Polycarbonate Coatings for Heat Sink Applications

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Handbook of Polymer and Ceramic Nanotechnology

Abstract

Thermoplastic/thermosetting polymer composites are a category of advanced functional materials having competency to replace many conventional materials due to its lightweight and excellent heat sinking capacity for automotive, aviation, and defense. The heat transfer and dissipation mechanism are basics considered for developing new material with improved heat insulation capacity. Polycarbonate composite comprising nanofiller/-fiber reinforcements fabricated with advanced technique inherits properties such as good mechanical properties, thermal stability, optical clarity, etc. required for thermal insulation. In this chapter, polycarbonate nanocomposites were fabricated though three different methods, i.e., solvent casting, spray coating, and melt mixing with three different reinforced fillers cenosphere, fumed silica (FS), and POSS. Functionalization, effectiveness in surface treatment, changes in surface morphology, and insulation characteristics of composite were affirmed through varied surface, morphology, and thermal characterization tools. Thermal conductivity of composites was also computed theoretically, and steady heat transfer simulation had been carried out to analyze the results numerically using ABAQUS CAE tool. To extend the application field of polycarbonate composites, water contact angle had been measured to check hydrophobic or hydrophilic nature of composites. Finally, the chapter concludes with detailed comparative study of polycarbonate nanocomposites with fillers fabricated by three different techniques with an application in car battery casing. Results displayed enhanced properties of polycarbonate nanocomposites which have a competency to replace the conventional materials used for insulative purpose.

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Rastogi, P., Katiyar, N., Gharde, S., Kandasubramanian, B. (2019). Nano-functionalized Polycarbonate Coatings for Heat Sink Applications. In: Hussain, C., Thomas, S. (eds) Handbook of Polymer and Ceramic Nanotechnology. Springer, Cham. https://doi.org/10.1007/978-3-030-10614-0_17-1

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