文章摘要
Study of the Influence on Thermal Conductivity of Vinyl Polydimethylsiloxane with borazon/carbon nano-tube
Received:January 22, 2015  Revised:January 22, 2015
DOI：
Key Words: thermal conductive silicone rubber; borazon; carbon nano tube; filler network
Author NameAffiliationE-mail
yangbentengzi College of Polymer Science and Engineering, Sichuan University 359507241@qq.com 
Huangchuanbin China Academy of Engineering Physics  
chenjun College of Polymer Science and Engineering, Sichuan University  
baihaochen College of Polymer Science and Engineering, Sichuan University  
fengchangping College of Polymer Science and Engineering, Sichuan University  
nihaiying* College of Polymer Science and Engineering, Sichuan University 359507241@qq.com 
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Abstract:
      The thermal conductive vinyl polydimethylsiloxane (PDMS) is prepared with boron nitride (BN) and boron nitride/ carbon nano tube (CNTs). Using thermal analyzer, dynamic rheological test and scanning electron microscopy to observe and analyze the material. Studies have shown that BN and CNTs content increases, thermal conductivity and thermal diffusivity of materials increased. When BN content is large enough to form a thermally conductive path is thus promoting the formation of filler network. CNTs formed between the planar structures of the BN particles are connected to form a three-dimensional network structure. The more filler the stronger the thermally conductive filler network formed. BN plays a major role in the network, and CNTs play a supporting role enhancement.
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