NDLI: Study on thermally conductive ESBR vulcanizates

Content Provider	Springer Nature Link
Author	Li, Zhiguo Chen, Hong Zhu, Zhenhua Zhang, Yong
Copyright Year	2011
Abstract	The thermal conductivities of emulsion polymerized styrene-butadiene rubber (ESBR) vulcanizates filled with alumina (Al2O3), zinc oxide (ZnO), carbon nanotubes (CNTs), silicon carbide (SiC), are measured by steady-state method. The effects of types and loadings of the fillers and their mixture on thermal conductivities of the ESBR vulcanizates are investigated. The results show that the thermal conductivity of ESBR vulcanizates filled with alumina or zinc oxide, increases nearly linearly with increasing loading when the filler loading exceeded 20 phr; the ESBR vulcanizates filled with CNTs have the highest thermal conductivity at a given filler loading in comparison with other composite vulcanizates. At a given loading of 100 phr, the ESBR vulcanizate filled with two different particle sizes SiC of 1–3 and 5–11 μm at the mass ratio of 1:1 has the highest thermal conductivity and relatively good mechanical properties. The experimental results are analyzed using Geometric mean model and Agari’s equation to explain the effect of filler types and particle sizes on the formation of thermal conductive networks. The thermal conductivity of the ESBR vulcanizates filled with Al2O3 or ZnO or CNTs could be well predicted by optimized parameters using Agari’s equation for a polymer composite filled with mixtures of particles.
Starting Page	1091
Ending Page	1104
Page Count	14
File Format	PDF
ISSN	01700839
Journal	Polymer Bulletin
Volume Number	67
Issue Number	6
e-ISSN	14362449
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-06-11
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon nanotubes Emulsion polymerized styrene-butadiene rubber Mechanical properties Silicon carbide Thermal properties Characterization and Evaluation of Materials Polymer Sciences Physical Chemistry Soft and Granular Matter, Complex Fluids and Microfluidics
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Condensed Matter Physics Polymers and Plastics

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