Enhancement of the thermal conductivity of aluminum oxide-epoxy terminated poly(dimethyl siloxane) with a metal oxide containing polysiloxane
- Authors
- Im, Hyungu; Kim, Jooheon
- Issue Date
- Oct-2011
- Publisher
- SPRINGER
- Citation
- JOURNAL OF MATERIALS SCIENCE, v.46, no.20, pp 6571 - 6580
- Pages
- 10
- Journal Title
- JOURNAL OF MATERIALS SCIENCE
- Volume
- 46
- Number
- 20
- Start Page
- 6571
- End Page
- 6580
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/21185
- DOI
- 10.1007/s10853-011-5604-7
- ISSN
- 0022-2461
1573-4803
- Abstract
- Aluminum oxide containing poly(dimethyl-methylvinyl)siloxane (PMDMS:Al(2)O(3)) was synthesized and blended with epoxy-terminated dimethylsiloxane (ETDS) to fabricate a thermally conducting composite. PMDMS:Al(2)O(3) was added to provide interfacial interactions between the Al(2)O(3) and polymer matrix. The PMDMS:Al(2)O(3) containing composites revealed more enhanced thermal conduction properties because of the strengthened interfacial bonding at a fixed filler concentration. The conductivity as a function of the filler concentration was correlated with Agari's models. Based on the coefficient obtained from Agari's model, PMDMS:Al(2)O(3) affected the formation of the conducting path in the composite. The results indicated that the presence of PMDMS:Al(2)O(3) would help to establish a conducting path compared to compounds without it. All composites showed a decrease in thermal conductivity with increasing operating temperature. As expected, the PMDMS:Al(2)O(3) containing composite (P-ETDS/Al(2)O(3)) showed more enhanced thermal conductivity than those without, regardless of the operating temperature.
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Collections - College of Engineering > School of Chemical Engineering and Material Science > 1. Journal Articles
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