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Appl. Sci. 2019, 9(3), 548; https://doi.org/10.3390/app9030548

Preparation and Properties of Poly(imide-siloxane) Copolymer Composite Films with Micro-Al2O3 Particles

1
Department of Chemistry, Yonsei University, Wonju, Gangwon-do 26493, Korea
2
Department of Chemistry and Medical Chemistry, Yonsei University, Wonju, Gangwon-do 26493, Korea
*
Author to whom correspondence should be addressed.
Received: 11 January 2019 / Revised: 1 February 2019 / Accepted: 1 February 2019 / Published: 6 February 2019
(This article belongs to the Special Issue Advances in Polyimide Films: Preparation, Properties and Applications)
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Abstract

In the current study, poly(imide-siloxane) copolymers (PIs) with different siloxane contents were synthesized and used as a matrix material for PI/Al2O3 composites. The PIs were characterized via their molecular weight, film quality, and thermal stability. Among the PI films, free-standing and flexible PI films were selected and used to prepare PI/Al2O3 composite films, with different Al2O3 loadings. The thermal conductivity, thermal stability, mechanical property, film flexibility, and morphology of the PI/Al2O3 composite films were investigated for their application as heat-dissipating material. View Full-Text
Keywords: poly(imide-siloxane) copolymer; Al2O3; thermal conductivity; heat-dissipating poly(imide-siloxane) copolymer; Al2O3; thermal conductivity; heat-dissipating
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Choi, J.-Y.; Nam, K.-N.; Jin, S.-W.; Kim, D.-M.; Song, I.-H.; Park, H.-J.; Park, S.; Chung, C.-M. Preparation and Properties of Poly(imide-siloxane) Copolymer Composite Films with Micro-Al2O3 Particles. Appl. Sci. 2019, 9, 548.

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