Heat dissipation properties of polyimide nanocomposite films

Jinyoung Kim, Jinuk Kwon, Daero Lee, Myeongsoo Kim, Haksoo Han

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

In development of modern electric fields, the growth of kinds of electronic devices has made the supply and research on heat dissipating films become important. To synthesize heat dissipation films with high thermal resistance for possible use in electronics applications, carbon black is doped into polyimide to increase the dissipating rate of films, at loadings of 50, 100, and 150 wt%. The resulting films display excellent thermal properties; the thermal conductivity of the film with 150 wt% carbon black is 5.59W∙m−1K−1, a value that is 35 times higher than that of pure polyimide (0.16W∙m−1K−1). To theoretically confirm the increased dissipating ability of composite films, the Nielsen equation is used for verification. The experimental results show an excellent fit with the theoretical values calculated by the Nielsen equation. The great thermal stability of polyimide composite film with carbon black is verified by using TGA and DSC, the temperature for 1% thermal decomposition of the 150wt% film is 541°C, and the glass transition temperature is 315 °C. The heat conduction results also show high heat dissipation data, which make the carbon black composite polyimide films an excellent candidate for use in electric devices to deplete the heat generated.

Original languageEnglish
Pages (from-to)3245-3250
Number of pages6
JournalKorean Journal of Chemical Engineering
Volume33
Issue number11
DOIs
Publication statusPublished - 2016 Nov 1

Fingerprint

Nanocomposite films
Heat losses
Polyimides
Soot
Carbon black
Composite films
Heat resistance
Heat conduction
Thermal conductivity
Pyrolysis
Thermodynamic stability
Electronic equipment
Thermodynamic properties
Electric fields
Composite materials

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Kim, Jinyoung ; Kwon, Jinuk ; Lee, Daero ; Kim, Myeongsoo ; Han, Haksoo. / Heat dissipation properties of polyimide nanocomposite films. In: Korean Journal of Chemical Engineering. 2016 ; Vol. 33, No. 11. pp. 3245-3250.
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Heat dissipation properties of polyimide nanocomposite films. / Kim, Jinyoung; Kwon, Jinuk; Lee, Daero; Kim, Myeongsoo; Han, Haksoo.

In: Korean Journal of Chemical Engineering, Vol. 33, No. 11, 01.11.2016, p. 3245-3250.

Research output: Contribution to journalArticle

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