Development of high thermally conductive and electrically insulated epoxy nanocomposites with high mechanical performance

Shuo Wang; Rui Cai; Hongqian Xue; Tianqing  Liu; Sensen Han; Zhiqiang Zhou; Zonghao Hu; Zonghao Hu

doi:10.1002/pc.26140

Development of high thermally conductive and electrically insulated epoxy nanocomposites with high mechanical performance

Shuo Wang, Rui Cai, Hongqian Xue, Tianqing Liu, Sensen Han, Zhiqiang Zhou, Zonghao Hu, Zonghao Hu

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

86 Downloads (Pure)

Abstract

Developing polymer-based nanocomposites with high thermal conductivity, mechanical performance, and electrical insulation becomes a huge challenge in both academia and industry. In this article, the synergistic effects of boron nitride (BN) nanosheets and carbon nanotubes (CNTs) on mechanical properties and thermal conductivity of epoxy nanocomposite adhesives were investigated. The results showed that the addition of one-dimensional CNTs and two-dimensional BN nanosheets into the epoxy matrix contributes to the formation of a three-dimensional network and a larger contact surface between the nanofillers and the epoxy matrix. The hybrid filler of BN and CNTs provided significant improvements in thermal conductivity and mechanical properties of epoxy nanocomposite adhesives. At 1.06 vol% of BN-CNTs, epoxy nanocomposite adhesives provide higher Young's modulus, fracture toughness (K1C), energy release rate (G1C), lap shear strength, and thermal stability compared with epoxy/BN nanocomposite adhesives. The thermal conductivity of epoxy/BN-CNT nanocomposites recorded its maximum values of 0.49 K m−1 k−1 at 3.79 vol% and increased by 335% compared with 133% in case of epoxy/BN at the same fraction of 3.79 vol%.

Original language	English
Pages (from-to)	4217-4226
Number of pages	10
Journal	Polymer Composites
Volume	42
Issue number	9
Early online date	26 May 2021
DOIs	https://doi.org/10.1002/pc.26140
Publication status	Published - 17 Sept 2021

Bibliographical note

This is the peer reviewed version of the following article: Wang, S, Cai, R & Xue, H 2021, 'Development of high thermally conductive and electrically insulated epoxy nanocomposites with high mechanical performance', Polymer Composites, vol. 42, no. 9, pp. 4217-4226, which has been published in final form at 10.1002/pc.26140. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.

Funder

Shanxi Province Key Research and Development Program, Grant/Award Number: 2019KW-063; Aeronautical Science Foundation of China, Grant/Award Number: 2018ZF54036; China Postdoctoral Science Foundation, Grant/Award Number: 2019M651151; National Natural Science Foundation of China, Grant/Award Number: 51973123; Natural Science Foundation of Liaoning Province, Grant/Award Number: 2019-MS-256; Scientific Research Funds from Liaoning Education Department, Grant/Award Number: JYT2020007; the plan of rejuvenating the talents of Liaoning province, Grant/Award Number: XLYC1907135

Keywords

boron nitride
carbon nanotube
synergistic effect
thermal conductivity

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Polymers and Plastics
Materials Chemistry

Access to Document

10.1002/pc.26140

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Cite this

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title = "Development of high thermally conductive and electrically insulated epoxy nanocomposites with high mechanical performance",

abstract = "Developing polymer-based nanocomposites with high thermal conductivity, mechanical performance, and electrical insulation becomes a huge challenge in both academia and industry. In this article, the synergistic effects of boron nitride (BN) nanosheets and carbon nanotubes (CNTs) on mechanical properties and thermal conductivity of epoxy nanocomposite adhesives were investigated. The results showed that the addition of one-dimensional CNTs and two-dimensional BN nanosheets into the epoxy matrix contributes to the formation of a three-dimensional network and a larger contact surface between the nanofillers and the epoxy matrix. The hybrid filler of BN and CNTs provided significant improvements in thermal conductivity and mechanical properties of epoxy nanocomposite adhesives. At 1.06 vol% of BN-CNTs, epoxy nanocomposite adhesives provide higher Young's modulus, fracture toughness (K1C), energy release rate (G1C), lap shear strength, and thermal stability compared with epoxy/BN nanocomposite adhesives. The thermal conductivity of epoxy/BN-CNT nanocomposites recorded its maximum values of 0.49 K m−1 k−1 at 3.79 vol% and increased by 335% compared with 133% in case of epoxy/BN at the same fraction of 3.79 vol%.",

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author = "Shuo Wang and Rui Cai and Hongqian Xue and Tianqing Liu and Sensen Han and Zhiqiang Zhou and Zonghao Hu and Zonghao Hu",

note = "This is the peer reviewed version of the following article: Wang, S, Cai, R & Xue, H 2021, 'Development of high thermally conductive and electrically insulated epoxy nanocomposites with high mechanical performance', Polymer Composites, vol. 42, no. 9, pp. 4217-4226, which has been published in final form at 10.1002/pc.26140. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley{\textquoteright}s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.",

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AU - Han, Sensen

AU - Zhou, Zhiqiang

AU - Hu, Zonghao

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N2 - Developing polymer-based nanocomposites with high thermal conductivity, mechanical performance, and electrical insulation becomes a huge challenge in both academia and industry. In this article, the synergistic effects of boron nitride (BN) nanosheets and carbon nanotubes (CNTs) on mechanical properties and thermal conductivity of epoxy nanocomposite adhesives were investigated. The results showed that the addition of one-dimensional CNTs and two-dimensional BN nanosheets into the epoxy matrix contributes to the formation of a three-dimensional network and a larger contact surface between the nanofillers and the epoxy matrix. The hybrid filler of BN and CNTs provided significant improvements in thermal conductivity and mechanical properties of epoxy nanocomposite adhesives. At 1.06 vol% of BN-CNTs, epoxy nanocomposite adhesives provide higher Young's modulus, fracture toughness (K1C), energy release rate (G1C), lap shear strength, and thermal stability compared with epoxy/BN nanocomposite adhesives. The thermal conductivity of epoxy/BN-CNT nanocomposites recorded its maximum values of 0.49 K m−1 k−1 at 3.79 vol% and increased by 335% compared with 133% in case of epoxy/BN at the same fraction of 3.79 vol%.

AB - Developing polymer-based nanocomposites with high thermal conductivity, mechanical performance, and electrical insulation becomes a huge challenge in both academia and industry. In this article, the synergistic effects of boron nitride (BN) nanosheets and carbon nanotubes (CNTs) on mechanical properties and thermal conductivity of epoxy nanocomposite adhesives were investigated. The results showed that the addition of one-dimensional CNTs and two-dimensional BN nanosheets into the epoxy matrix contributes to the formation of a three-dimensional network and a larger contact surface between the nanofillers and the epoxy matrix. The hybrid filler of BN and CNTs provided significant improvements in thermal conductivity and mechanical properties of epoxy nanocomposite adhesives. At 1.06 vol% of BN-CNTs, epoxy nanocomposite adhesives provide higher Young's modulus, fracture toughness (K1C), energy release rate (G1C), lap shear strength, and thermal stability compared with epoxy/BN nanocomposite adhesives. The thermal conductivity of epoxy/BN-CNT nanocomposites recorded its maximum values of 0.49 K m−1 k−1 at 3.79 vol% and increased by 335% compared with 133% in case of epoxy/BN at the same fraction of 3.79 vol%.

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Development of high thermally conductive and electrically insulated epoxy nanocomposites with high mechanical performance

Abstract

Bibliographical note

Funder

Keywords

ASJC Scopus subject areas

Access to Document

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