Thermal conductivity of natural rubber nanocomposites with hybrid fillers

Junping Song; Xiteng Li; Kaiyan Tian; Lianxiang Ma; Wei Li; Shichune Yao

doi:10.1016/j.cjche.2018.09.019

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Thermal conductivity of natural rubber nanocomposites with hybrid fillers

Energy, Resources and Environmental Technology | Updated：2026-01-06

- Thermal conductivity of natural rubber nanocomposites with hybrid fillers
- Thermal conductivity of natural rubber nanocomposites with hybrid fillers
- 中国化学工程学报（英文版） 2019年27卷第4期页码：928-934
- Affiliations：
  
  1. Key Laboratory of Rubber-plastics, Ministry of Education, Shandong Provincial Key Laboratory of Rubber-plastics, Chinese and German School of Science and Technology, College of Electromechanical Engineering, Qingdao University of Science and Technology,Qingdao,China,266061
  2. Department of Energy Engineering, Zhejiang University,Hangzhou,China,310027
  3. Department of Mechanical Engineering, Carnegie Mellon University,PA,Pittsburgh,USA,15213-3890
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2018.09.019
  中图分类号：
- 纸质出版：2019
- Accepted：
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Junping Song, Xiteng Li, Kaiyan Tian, 等. Thermal conductivity of natural rubber nanocomposites with hybrid fillers[J]. 中国化学工程学报（英文版）, 2019,27(4):928-934.

Junping Song, Xiteng Li, Kaiyan Tian, Lianxiang Ma, Wei Li, Shichune Yao. Thermal conductivity of natural rubber nanocomposites with hybrid fillers[J]. Chinese Journal of Chemical Engineering, 2019, 27(4): 928-934.
Junping Song, Xiteng Li, Kaiyan Tian, 等. Thermal conductivity of natural rubber nanocomposites with hybrid fillers[J]. 中国化学工程学报（英文版）, 2019,27(4):928-934. DOI： 10.1016/j.cjche.2018.09.019.

Junping Song, Xiteng Li, Kaiyan Tian, Lianxiang Ma, Wei Li, Shichune Yao. Thermal conductivity of natural rubber nanocomposites with hybrid fillers[J]. Chinese Journal of Chemical Engineering, 2019, 27(4): 928-934. DOI： 10.1016/j.cjche.2018.09.019.

摘要

Abstract

Natural rubber nanocomposites filled with hybrid fillers of multi-walled carbon nanotubes (CNTs) and carbon black (CB) were prepared. CNTs were ultrasonically modified in mixture of hydrogen peroxide (H

) and distilled water (H

O). The functional groups on the surface of CNTs

changes in nanotube structure and morphology were characterized by Fourier transform infrared spectroscopy (FT-IR)

Raman Spectroscopy

and transmission electron microscopy (TEM). It shows that hydroxyl (OH·) is successfully introduced. The surface defects of modified CNTs were obviously higher than those of original CNTs

and the degree of agglomeration was greatly reduced. Thermal conductivity of the composites was tested by protection heat flow meter method. Compared with unmodified CNTs/CB filling system

the thermal conductivity of hybrid composites is improved by an average of 5.8% with 1.5 phr (phr is parts per hundred rubber) of hydroxyl CNTs and 40 phr of CB filled. A three-dimensional heat conduction network composed of hydroxyl CNTs and CB

as observed by TEM

contributes to the good properties. Thermal conductivity of the hybrid composites increases as temperature rises. T

he mechanical properties of hybrid composites are also good with hydroxyl CNTs filled nanocomposites; the tensile strength

100% and 300% tensile stress are improved by 10.1%

22.4% and 26.2% respectively.

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