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Volume 14
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10.3390/polym14051040
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Article

The Establishment of Thermal Conductivity Model for Linear Low-Density Polyethylene/Alumina Composites Considering the Interface Thermal Resistance

by
Guo Li
1,
Yanghui Wang
1,
Huihao Zhu
1,
Yulu Ma
1,
Huajian Ji
1,
Yu Wang
1,
Tao Chen
2 and
Linsheng Xie
1,*
1
School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China
2
Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650031, China
*
Author to whom correspondence should be addressed.
Polymers 2022, 14(5), 1040; https://doi.org/10.3390/polym14051040
Submission received: 14 February 2022 / Revised: 1 March 2022 / Accepted: 2 March 2022 / Published: 5 March 2022
(This article belongs to the Section Polymer Composites and Nanocomposites)
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Abstract

An optimized thermal conductivity model of spherical particle-filled polymer composites considering the influence of interface layer was established based on the classic series and parallel models. ANSYS software was used to simulate the thermal transfer process. Meanwhile, linear low-density polyethylene/alumina (LLDPE/Al2O3) composites with different volume fractions and Al2O3 particle sizes were prepared with the continuous mixer, and the effects of Al2O3 particle size and volume fraction on the thermal conductivity of the composites were discussed. Finally, the test result of the thermal conductivity was analyzed and compared with ANSYS simulations and the model prediction. The results proved that the thermal conductivity model considering the influence of the interface layer could predict the thermal conductivity of LLDPE/Al2O3 composites more precisely.
Keywords: thermal conductivity prediction model; thermally conductive composites; Al2O3; interface thermal resistance thermal conductivity prediction model; thermally conductive composites; Al2O3; interface thermal resistance
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MDPI and ACS Style

Li, G.; Wang, Y.; Zhu, H.; Ma, Y.; Ji, H.; Wang, Y.; Chen, T.; Xie, L. The Establishment of Thermal Conductivity Model for Linear Low-Density Polyethylene/Alumina Composites Considering the Interface Thermal Resistance. Polymers 2022, 14, 1040. https://doi.org/10.3390/polym14051040

AMA Style

Li G, Wang Y, Zhu H, Ma Y, Ji H, Wang Y, Chen T, Xie L. The Establishment of Thermal Conductivity Model for Linear Low-Density Polyethylene/Alumina Composites Considering the Interface Thermal Resistance. Polymers. 2022; 14(5):1040. https://doi.org/10.3390/polym14051040

Chicago/Turabian Style

Li, Guo, Yanghui Wang, Huihao Zhu, Yulu Ma, Huajian Ji, Yu Wang, Tao Chen, and Linsheng Xie. 2022. "The Establishment of Thermal Conductivity Model for Linear Low-Density Polyethylene/Alumina Composites Considering the Interface Thermal Resistance" Polymers 14, no. 5: 1040. https://doi.org/10.3390/polym14051040

APA Style

Li, G., Wang, Y., Zhu, H., Ma, Y., Ji, H., Wang, Y., Chen, T., & Xie, L. (2022). The Establishment of Thermal Conductivity Model for Linear Low-Density Polyethylene/Alumina Composites Considering the Interface Thermal Resistance. Polymers, 14(5), 1040. https://doi.org/10.3390/polym14051040

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