Volume 127, Issue 5 pp. 3293-3301
Article

Synergistic effects of hybrid fillers on the development of thermally conductive polyphenylene sulfide composites

Siu Ning Leung

Siu Ning Leung

Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada M5G 3G8

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Muhammad Omer Khan

Muhammad Omer Khan

Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada M5G 3G8

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Ellen Chan

Ellen Chan

Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada M5G 3G8

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Hani E. Naguib

Corresponding Author

Hani E. Naguib

Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada M5G 3G8

Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON, Canada M5G 3G8===Search for more papers by this author
Francis Dawson

Francis Dawson

Department of Electrical and Computer Engineering, University of Toronto, Toronto, ON, Canada M5G 3G4

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Vincent Adinkrah

Vincent Adinkrah

AEG Power Solutions Inc., 2680 Fourteenth Avenue, Markham, ON, Canada L3R 5B2

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Laszlo Lakatos-Hayward

Laszlo Lakatos-Hayward

AEG Power Solutions Inc., 2680 Fourteenth Avenue, Markham, ON, Canada L3R 5B2

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First published: 14 May 2012
Citations: 47

Abstract

The future of integrated circuits with three-dimensional chip architecture hinges on the development of practical solutions for the management of excessive amounts of heat generation. This requires new polymer–matrix composites (PMCs), with good processibility, high effective thermal conductivity (keff), and low but tailored electrical conductivity (σ). This article explores the synergy of hybrid fillers: (i) hexagonal boron nitride (hBN) platelets with different sizes and shapes; (ii) hBN platelets with carbon-based fillers promoting the keff of the polyphenylene sulfide (PPS) composites. It explores the promotion of interconnectivity among the fillers in the PPS matrix, leading to higher keff, by the uses of hybrid fillers. It discusses using carbon-based fillers as secondary fillers to tailor the PMCs' σ. Finally, it presents the effects of hybrid fillers on the PMCs' coefficient of thermal expansion. © 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013

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