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Dramatic effects of scalable SNN-assisted melt dispersion on thermal conductivity and coefficient of thermal expansion of nanocomposites
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Kumar, Sandeep, Lively, Brooks, Liu, Tian, Sun, Lili, Tangpong, Annie and Zhong, Wei-Hong (2011) Dramatic effects of scalable SNN-assisted melt dispersion on thermal conductivity and coefficient of thermal expansion of nanocomposites. Macromolecular Materials and Engineering, 296 (2). pp. 151-158. doi:10.1002/mame.201000262 ISSN 1438-7492.
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Official URL: http://dx.doi.org/10.1002/mame.201000262
Abstract
It is demonstrated that SNN‐assisted melt dispersion can lead to a significant improvement of the thermal conductivity of PC/MWCNT composites accompanied by a dramatic reduction in their linear CTE. The thermal conductivity of the SNN‐containing composites after the 2‐step process was about 95% higher than that of neat PC and 25% higher than that from 1‐step processing at same loading. The CTE below the glass‐transition temperature of composites with a 1.0 wt.‐% MWCNT loading is substantially reduced compared to the neat polymer. A reduction in the CTE of up to 60.8% is observed for composites from the 2‐step process. Simultaneous achievement of high thermal conductivity and low CTE is required for electronic packaging in microelectronics for device protection.
Item Type: | Journal Article | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
Journal or Publication Title: | Macromolecular Materials and Engineering | ||||||
Publisher: | Wiley | ||||||
ISSN: | 1438-7492 | ||||||
Official Date: | 8 February 2011 | ||||||
Dates: |
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Volume: | 296 | ||||||
Number: | 2 | ||||||
Page Range: | pp. 151-158 | ||||||
DOI: | 10.1002/mame.201000262 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access |
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