Electrically insulating ZnOs/ZnOw/silicone rubber nanocomposites with enhanced thermal conductivity and mechanical properties | Zendy

Li Chuanbin | Zendy; Liu Bin | Zendy; Gao Zhaodongfang | Zendy; Wang Huan | Zendy; Liu Ming | Zendy; Wang Shan | Zendy; Xiong Chuanxi | Zendy

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Electrically insulating ZnOs/ZnOw/silicone rubber nanocomposites with enhanced thermal conductivity and mechanical properties

Author(s) -

Li Chuanbin,

Liu Bin,

Gao Zhaodongfang,

Wang Huan,

Liu Ming,

Wang Shan,

Xiong Chuanxi

Publication year - 2018

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.46454

Subject(s) - materials science , silicone rubber , nanocomposite , ultimate tensile strength , whiskers , composite material , electrical resistivity and conductivity , natural rubber , zinc , chemical engineering , metallurgy , electrical engineering , engineering

In this work, hybrids of surface modified zinc oxide spherical (ZnOs) nanoparticles and tetrapod‐shaped whiskers (ZnOw) were incorporated into the silicon rubber (SR) to prepare the ZnOs/ZnOw/SR nanocomposites. The incorporation of the ZnOs/ZnOw facilitated the formation of three‐dimensional thermally conducting network. It was found that the thermal conductivity of the ZnOs/ZnOw/SR reached up to 1.309 W m −1 K −1 when the ZnOs/ZnOw content was 20 vol % ( V m‐ZnOs : V ZnOw = 7:3), which was nearly 6.5 times that of the pristine SR. The dielectric and resistivity measurements showed that the incorporation of the ZnOs/ZnOw hybrids did not cause much change in the electrical properties. In addition, the results show that the tensile strength of ZnOs/ZnOw/SR nanocomposites is higher than that of pristine SR. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018 , 135 , 46454.

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