Institutional Repository of Chinese Acad Sci, Hefei Inst Phys Sci, Inst Appl Technol,Hefei 230031, Anhui, Peoples R China
Anisotropic thermally conductive flexible polymer composites filled with hexagonal born nitride (h-BN) platelets and ammine carbon nanotubes (CNT-NH2): Effects of the filler distribution and orientation | |
Su, Zheng1,2; Wang, Hua1,3; Ye, Xianzhu1; Tian, Konghu1,2; Huang, Weiqi1,2; He, Jing1,2; Guo, Yulan1,2; Tian, Xingyou1,3 | |
2018-06-01 | |
发表期刊 | COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING |
ISSN | 1359-835X |
摘要 | High thermal conductive filler (hexagonal boron nitride and carbon nanotube) reinforced polymer composites have obtained a growing attention in the microelectronic industry for their good thermal conductivity but electrical insulating. In this work, a synergistic hybrid structure of two fillers with different dimensions had been designed and prepared by taking hexagonal born nitride (h-BN) platelets and ammine carbon nanotubes (CNT-NH2) into the flexible polymer matrix. Using cycloaliphatic epoxy resin (CER) as the polymer matrix, a serious of (a) h-BN/CER based, (b) hybrid filler h-BN@CNT-NH2/CER based, and (c) mixed filler CNT-NH2 and h-BN/CER based composites were prepared. In this structure, h-BN (and h-BN@CNT-NH2) platelets stacked along the horizontal direction under the assistance of gravity force and interactivity between the fillers. The orientation of the h-BN platelets was investigated by scanning electron microscope (SEM) of the cracked cross-section of the composite film and XRD measurement via calculating the orientation function (f). The CNT-NH2 was embedded within the network to improve the filler-filler contact or network-density. Due to the anisotropic properties of h-BN platelets and dispersion states of CNT-NH2, the composites with different structures presented different and special properties, including thermal/electrical conductivity properties, mechanical properties, and thermal decomposition properties. The analysis of structure and mechanism of thermal decomposition were then proposed to explain those interesting properties. The incorporation and dispersion states of CNT-NH2 in the composites played an important effect on the enhancement of the thermal conductivity properties both included in plane (similar to 1.76 W/m.K) and through-plane (similar to 1.09 W/m.K) thermal conductivity. Additionally, the good electrical insulating properties and mechanical properties of the composites provided a potential application in the thermal management areas. The solvent-free procedure was environment friendly, easy operation, and suitable for the practical application in large scale. |
关键词 | Polymer-matrix composites (PMCs) 3-Dimensional reinforcement Thermal properties Anisotropy |
DOI | 10.1016/j.compositesa.2018.03.021 |
关键词[WOS] | PI-PI INTERACTIONS ; HYBRID FILLERS ; NANOCOMPOSITES ; GRAPHENE ; IMPROVEMENT ; PERFORMANCE ; NANOPARTICLES ; DIFFUSIVITY ; MANAGEMENT ; NANOSHEETS |
收录类别 | SCI |
语种 | 英语 |
资助项目 | Strategic Priority Research Program of the Chinese Academy of Sciences[XDA13040505] ; National Key R&D Program of China[2017YFB0406200] ; National Key R&D Program of China[2017YFB0406200] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA13040505] |
WOS研究方向 | Engineering ; Materials Science |
WOS类目 | Engineering, Manufacturing ; Materials Science, Composites |
WOS记录号 | WOS:000432508500040 |
出版者 | ELSEVIER SCI LTD |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/36649 |
专题 | 应用技术研究所 |
通讯作者 | Wang, Hua; Tian, Xingyou |
作者单位 | 1.Chinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Anhui, Peoples R China 2.Univ Sci & Technol China, Hefei 230036, Anhui, Peoples R China 3.Chinese Acad Sci, Key Lab Photovolta & Energy Conservat Mat, Hefei, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Su, Zheng,Wang, Hua,Ye, Xianzhu,et al. Anisotropic thermally conductive flexible polymer composites filled with hexagonal born nitride (h-BN) platelets and ammine carbon nanotubes (CNT-NH2): Effects of the filler distribution and orientation[J]. COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,2018,109(无):402-412. |
APA | Su, Zheng.,Wang, Hua.,Ye, Xianzhu.,Tian, Konghu.,Huang, Weiqi.,...&Tian, Xingyou.(2018).Anisotropic thermally conductive flexible polymer composites filled with hexagonal born nitride (h-BN) platelets and ammine carbon nanotubes (CNT-NH2): Effects of the filler distribution and orientation.COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING,109(无),402-412. |
MLA | Su, Zheng,et al."Anisotropic thermally conductive flexible polymer composites filled with hexagonal born nitride (h-BN) platelets and ammine carbon nanotubes (CNT-NH2): Effects of the filler distribution and orientation".COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING 109.无(2018):402-412. |
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