Enhanced the Thermal Conductivity of Polydimethylsiloxane via a Three-Dimensional Hybrid Boron Nitride@Silver Nanowires Thermal Network Filler

Huang, Zhengqiang; Wu, Wei; Drummer, Dietmar; Liu, Chao; Wang, Yi; Wang, Zhengyi

doi:10.3390/polym13020248

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Enhanced the Thermal Conductivity of Polydimethylsiloxane via a Three-Dimensional Hybrid Boron [email protected] Nanowires Thermal Network Filler

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Sino-German Joint Research Center of Advanced Materials, East China University of Science and Technology, Shanghai 200237, China

Institute of Polymer Technology, Friedrich-Alexander-University Erlangen-Nuremberg (FAU), 91058 Erlangen, Germany

Author to whom correspondence should be addressed.

Polymers 2021, 13(2), 248; https://doi.org/10.3390/polym13020248

Received: 22 December 2020 / Revised: 6 January 2021 / Accepted: 7 January 2021 / Published: 13 January 2021

(This article belongs to the Special Issue Functional Polymer Composites: Design, Preparation and Applications)

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Abstract

In this work, polydimethylsiloxane (PDMS)-based composites with high thermal conductivity were fabricated via a three-dimensional hybrid boron [email protected] nanowires ([email protected]) filler thermal network, and their thermal conductivity was investigated. A new thermal conductive [email protected] hybrid filler was prepared by an in situ growth method. Silver ions with the different concentrations were reduced, and AgNWs crystallized and grew on the surface of BN sheets. PDMS-based composites were fabricated by the [email protected] hybrid filler added. SEM, XPS, and XRD were used to characterize the structure and morphology of [email protected] hybrid fillers. The thermal conductivity performances of PDMS-based composites with different silver concentrates were investigated. The results showed that the thermal conductivity of PDMS-based composite filled with 20 vol% [email protected] hybrid filler is 0.914 W/(m·K), which is 5.05 times that of pure PDMS and 23% higher than the thermal conductivity of 20 vol% PDMS-based composite with BN filled. The enhanced thermal conductivity mechanism was provided based on the hybrid filler structure. This work offers a new way to design and fabricate the high thermal conductive hybrid filler for thermal management materials. View Full-Text

Keywords: AgNWs; BN; hybrid filler; thermal conductive; polydimethylsiloxane

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MDPI and ACS Style

Huang, Z.; Wu, W.; Drummer, D.; Liu, C.; Wang, Y.; Wang, Z. Enhanced the Thermal Conductivity of Polydimethylsiloxane via a Three-Dimensional Hybrid Boron [email protected] Nanowires Thermal Network Filler. Polymers 2021, 13, 248. https://doi.org/10.3390/polym13020248

AMA Style

Huang Z, Wu W, Drummer D, Liu C, Wang Y, Wang Z. Enhanced the Thermal Conductivity of Polydimethylsiloxane via a Three-Dimensional Hybrid Boron [email protected] Nanowires Thermal Network Filler. Polymers. 2021; 13(2):248. https://doi.org/10.3390/polym13020248

Chicago/Turabian Style

Huang, Zhengqiang, Wei Wu, Dietmar Drummer, Chao Liu, Yi Wang, and Zhengyi Wang. 2021. "Enhanced the Thermal Conductivity of Polydimethylsiloxane via a Three-Dimensional Hybrid Boron [email protected] Nanowires Thermal Network Filler" Polymers 13, no. 2: 248. https://doi.org/10.3390/polym13020248

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Enhanced the Thermal Conductivity of Polydimethylsiloxane via a Three-Dimensional Hybrid Boron [email protected] Nanowires Thermal Network Filler

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