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Enhanced thermal conductivity of poly(vinylidene fluoride)/boron nitride nanosheet composites at low filler content
Wang, Mengjie; Jiao, Zhaoyong; Chen, Yapeng; Hou, Xiao; Fu, Li; Wu, Yuming; Li, Shuangyi; Jiang, Nan; Yu, Jinhong
2018
发表期刊COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷号109页码:321-329
摘要Due to the growing needs of thermal management in modern electronics, high thermal conductive polymer composites are increasingly demanded. Boron nitride nanosheet (BNNS) was prepared through molten hydroxide assisted liquid exfoliation of hexagonal boron nitride (h-BN) powder and used as thermally conductive filler. The poly(vinylidene fluoride) (PVDF)/BNNS films were obtained through solution blend and hot pressing. With only 4 wt% BNNS, the in-plane thermal conductivity of PVDF/BNNS composite achieved 4.69 W/mK, with a thermal conductivity enhancement of 2297% compared to neat PVDF. However, the through-plane thermal conductivity of the composites is only 0.23 W/mK, which shows a high thermal conductive anisotropy over 20. The thermal conductive anisotropy and the high in-plane thermal conductivity can be attributed to the formation of thermally conductive network in PVDF matrix. Thus, the BNNS reinforced PVDF films are promising for use as an efficient heat spreader for electronic cooling applications.
关键词Boron-nitride Polymer Composites Epoxy Composites 2-dimensional Nanomaterials Synergistic Improvement Mechanical-properties Graphene Exfoliation Hybrid Functionalization
学科领域Chemistry
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17463
专题2018专题
推荐引用方式
GB/T 7714
Wang, Mengjie,Jiao, Zhaoyong,Chen, Yapeng,et al. Enhanced thermal conductivity of poly(vinylidene fluoride)/boron nitride nanosheet composites at low filler content[J]. COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,2018,109:321-329.
APA Wang, Mengjie.,Jiao, Zhaoyong.,Chen, Yapeng.,Hou, Xiao.,Fu, Li.,...&Yu, Jinhong.(2018).Enhanced thermal conductivity of poly(vinylidene fluoride)/boron nitride nanosheet composites at low filler content.COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,109,321-329.
MLA Wang, Mengjie,et al."Enhanced thermal conductivity of poly(vinylidene fluoride)/boron nitride nanosheet composites at low filler content".COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING 109(2018):321-329.
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