Flexible silicone rubber/carbon fiber/nano-diamond composites with enhanced thermal conductivity via reducing the interface thermal resistance
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Chaoyu Wang
,
Zhu Luo
Abstract
Insulating materials with heat dissipation are urgently required for modern electronic devices and systems. In this study, 4,4-methylene diphenyl diisocyanate was used as the coupling agent, and nano-diamond (ND) particles were grafted onto the surface of carbon fibers (CFs) to prepare CF-ND/silicone rubber (SR) composites. The ND acted as a “bridge” among CFs, which can reduce the interface thermal resistance between CFs because the dot-like ND can increase the interfacial area of CFs, making it easier to form heat-conducting networks between SR. When the content of CF-ND (1:6) was 20%, the thermal conductivity of the SR composite was 0.305 W/(m·K), 69% higher than that of pure SR. The ND between CFs can improve the dynamic mechanical properties by acting as a crack pinhole. In addition, the CF-ND/SR composites also exhibited excellent thermal stability. This work has enormous potential for advanced electronic devices.
Funding source: Scientific Research Project of Introducing Talents of Guizhou University
Award Identifier / Grant number: [2020] 53
Funding source: the Science and Technology Department of Guizhou Province
Award Identifier / Grant number: Grant No. Platform &Talents [2019] 2030
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: This work was supported by Scientific Research Project of Introducing Talents of Guizhou University ([2020] 53) and financially supported by the Science and Technology Department of Guizhou Province (grant no. Platform & Talents [2019] 2030).
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Conflict of interest statement: The authors declare that they have no conflicts of interest regarding this article.
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© 2022 Walter de Gruyter GmbH, Berlin/Boston
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Articles in the same Issue
- Frontmatter
- Material Properties
- Development and characterization of eco-friendly biopolymer gellan gum based electrolyte for electrochemical application
- Structural transitions and rheological properties of poly-d-lysine hydrobromide: effect of pH, salt, temperature, and shear rate
- Carbon dioxide adsorption onto modified polyvinyl chloride with ionic liquid
- Synergistic effect of organic-Zn(H2PO2)2 and lithium containing polyhedral oligomeric phenyl silse-squioxane on flame-retardant, thermal and mechanical properties of poly(ethylene terephthalate)
- Preparation and Assembly
- Network structural hardening of polypropylene matrix using hybrid of 0D, 1D and 2D carbon-ceramic nanoparticles with enhanced mechanical and thermomechanical properties
- An environment friendly hemp fiber modified with phytic acid for enhancing fire safety of automobile parts
- Flexible silicone rubber/carbon fiber/nano-diamond composites with enhanced thermal conductivity via reducing the interface thermal resistance
- In situ synthesis of Ag NPs in the galactomannan based biodegradable composite for the development of active packaging films
- Engineering and Processing
- Multi-objective optimization of injection molded parts with insert based on IFOA-GRNN-NSGA-II
