Highly Thermally Conductive Polydimethylsiloxane Composites with Controllable 3D GO@<italic style="font-style: italic">f</italic>-CNTs Networks <italic style="font-style: italic">via</italic> Self-sacrificing Template Method

Shuang-Shuang Wang; Dian-Ying Feng; Zhi-Ming Zhang; Xia Liu; Kun-Peng Ruan; Yong-Qiang Guo; Jun-Wei Gu

doi:10.1007/s10118-024-3098-4

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Highly Thermally Conductive Polydimethylsiloxane Composites with Controllable 3D GO@f-CNTs Networks via Self-sacrificing Template Method

RESEARCH ARTICLE | Updated：2024-06-26

- Highly Thermally Conductive Polydimethylsiloxane Composites with Controllable 3D GO@f-CNTs Networks via Self-sacrificing Template Method
- Chinese Journal of Polymer Science Vol. 42, Issue 7, Pages: 897-906(2024)
- Affiliations：
  
  a.Shaanxi Key Laboratory of Macromolecular Science and Technology, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi’an 710072, China
  b.Shandong Institute of Nonmetallic Materials, Jinan 250031, China
  c.Queen Mary University of London Engineering School, Northwestern Polytechnical University, Xi’an 710072, China
- Author bio：
  
  gyqnpu@163.com
- Funds：
- DOI：10.1007/s10118-024-3098-4
  CLC：
- Received：30 November 2023，
  
  Revised：2023-01-09，
  
  Accepted：19 January 2024，
  
  Online First：23 February 2024，
  
  Published：01 July 2024
- Accepted：
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Wang, S. S.; Feng, D. Y.; Zhang, Z. M.; Liu, X.; Ruan, K. P.; Guo, Y. Q.; Gu, J. W. Highly thermally conductive polydimethylsiloxane composites with controllable 3D GO@f-CNTs networks via self-sacrificing template method. Chinese J. Polym. Sci. 2024, 42, 897–906

Shuang-Shuang Wang, Dian-Ying Feng, Zhi-Ming Zhang, et al. Highly Thermally Conductive Polydimethylsiloxane Composites with Controllable 3D GO@f-CNTs Networks via Self-sacrificing Template Method[J]. Chinese Journal of Polymer Science, 2024, 42(7): 897-906. DOI: 10.1007/s10118-024-3098-4.
Wang, S. S.; Feng, D. Y.; Zhang, Z. M.; Liu, X.; Ruan, K. P.; Guo, Y. Q.; Gu, J. W. Highly thermally conductive polydimethylsiloxane composites with controllable 3D GO@f-CNTs networks via self-sacrificing template method. Chinese J. Polym. Sci. 2024, 42, 897–906 DOI： 10.1007/s10118-024-3098-4.

Shuang-Shuang Wang, Dian-Ying Feng, Zhi-Ming Zhang, et al. Highly Thermally Conductive Polydimethylsiloxane Composites with Controllable 3D GO@f-CNTs Networks via Self-sacrificing Template Method[J]. Chinese Journal of Polymer Science, 2024, 42(7): 897-906. DOI: 10.1007/s10118-024-3098-4. DOI：

摘要

Hetero-structured GO@f-CNTs fillers prepared via chemical grafting method are constructed into controllable 3D GO@f-CNTs thermal conduction networks via self-sacrificing template method based on oxalic acid. When the size of oxalic acid is 0.24 mm and the volume fraction of GO@f-CNTs is 60 vol%

GO@f-CNTs/PDMS composites have optimal thermal conductivity (4.00 W/(m·K)).

Abstract

Constructing controllable thermal conduction networks is the key to efficiently improve thermal conductivities of polymer composites. In this work

graphite oxide (GO) and functionalized carbon nanotubes (

-CNTs) are combined to prepare “Line-Plane”-like hetero-structured thermally conductive GO@

-CNTs fillers

which are then performed to construct controllable 3D GO@

-CNTs thermal conduction networks

via

self-sacrificing template method based on oxalic acid. Subsequently

thermally conductive GO@

-CNTs/polydimethylsiloxane (PDMS) composites are fabricated

via

casting method. When the size of oxalic acid is 0.24 mm and the volume fraction of GO@

-CNTs is 60 vol%

GO@

-CNTs/PDMS composites present the optimal thermal conductivity coefficient (

4.00 W·m

−1

·K

−1

)

about 20 times that of the

of neat PDMS (0.20 W·m

−1

·K

−1

)

also much higher than the

(2.44 W·m

−1

·K

−1

) of GO/

-CNTs/PDMS composites with the same amount of randomly dispersed fillers. Meanwhile

the obtained GO@

-CNTs/PDMS composites have excellent thermal stability

whose

deviation is only about 3% after 500 thermal cycles (20−200 °C).

关键词

Keywords

references

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Highly Thermally Conductive Polydimethylsiloxane Composites with Controllable 3D GO@f-CNTs Networks via Self-sacrificing Template Method

DOI：10.1007/s10118-024-3098-4

摘要

Abstract

关键词

Keywords

references