With the rapid development of high performance capacitors for energy storage, materials with both giant dielectric constant and low dielectric loss are urgently needed. Adding conductive filler could largely enhance the dielectric constant of polymer matrix but also greatly increase the dielectric loss. In this study, we provide a new strategy by using hybrid fillers to construct a segregated double network, where conductive multi-walled carbon nanotubes (MWCNT) network is wrapped by insulating hexagonal boron nitride (h-BN) network to destroy the continuity of embedded MWCNT network. To do this, prefabricated micron-sized PS/MWCNT particles were completely coated by h-BN through pi-pi interaction. As a result, the MWCNT network inside h-BN network provides good conductivity while h-BN network provides the isolation effect but do not increase the distance between two adjacent MWCNT agglomerations, which together can maintain the high dielectric constant and decrease the dielectric loss. Therefore, a high dielectric constant of 123 is achieved while a relatively low dielectric loss is also kept as 036. More importantly, this special structure of segregated double network also leads to obviously enhanced thermal conductivity which is 2.23-fold of that of the composites with randomly dispersed hybrid fillers. This high thermal conductivity is ascribed to the high synergistic efficiency between segregated h-BN network and dense MWCNT network. We believe that these good comprehensive performances promise this structure to offer a unique and effective way to prepare high-performance dielectric materials with not only high dielectric constant and low dielectric loss, but also good capability of heat dissipation. (C) 2017 Elsevier Ltd. All rights reserved.
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School of Applied Physics and Materials, Wuyi University, Jiangmen, ChinaSchool of Applied Physics and Materials, Wuyi University, Jiangmen, China
Lin, Jing
Dong, Jin
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School of Applied Physics and Materials, Wuyi University, Jiangmen, ChinaSchool of Applied Physics and Materials, Wuyi University, Jiangmen, China
Dong, Jin
Chen, Bing
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School of Materials Science and Hydrogen Energy, Foshan University, Foshan, ChinaSchool of Applied Physics and Materials, Wuyi University, Jiangmen, China
Chen, Bing
Liang, Jiayuan
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School of Materials Science and Hydrogen Energy, Foshan University, Foshan, ChinaSchool of Applied Physics and Materials, Wuyi University, Jiangmen, China
Liang, Jiayuan
Zhang, Hebai
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School of Applied Physics and Materials, Wuyi University, Jiangmen, ChinaSchool of Applied Physics and Materials, Wuyi University, Jiangmen, China
Zhang, Hebai
He, Zhenguo
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School of Materials Science and Hydrogen Energy, Foshan University, Foshan, ChinaSchool of Applied Physics and Materials, Wuyi University, Jiangmen, China
He, Zhenguo
He, Jiafa
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School of Materials Science and Hydrogen Energy, Foshan University, Foshan, ChinaSchool of Applied Physics and Materials, Wuyi University, Jiangmen, China
He, Jiafa
Zhong, Rongjian
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School of Materials Science and Hydrogen Energy, Foshan University, Foshan, ChinaSchool of Applied Physics and Materials, Wuyi University, Jiangmen, China
Zhong, Rongjian
Liang, Xuyun
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School of Materials Science and Hydrogen Energy, Foshan University, Foshan, ChinaSchool of Applied Physics and Materials, Wuyi University, Jiangmen, China
Liang, Xuyun
Hu, Dechao
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School of Materials Science and Hydrogen Energy, Foshan University, Foshan, China
Fujian Provincial Key Laboratory of Fire Retardant Materials, College of Materials, Xiamen University, Xiamen, ChinaSchool of Applied Physics and Materials, Wuyi University, Jiangmen, China
Hu, Dechao
Journal of Applied Polymer Science,
1600,
141
(10):
机构:
Seoul Natl Univ, Res Inst Adv Mat RIAM, Dept Mat Sci & Engn, Seoul 08826, South KoreaSeoul Natl Univ, Res Inst Adv Mat RIAM, Dept Mat Sci & Engn, Seoul 08826, South Korea
Pak, Seong Yeol
Kim, Seong Yun
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Chonbuk Natl Univ, Dept Organ Mat & Fiber Engn, Jeonju Si 54896, South KoreaSeoul Natl Univ, Res Inst Adv Mat RIAM, Dept Mat Sci & Engn, Seoul 08826, South Korea
Kim, Seong Yun
Lee, Doojin
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Chonnam Natl Univ, Dept Polymer Sci & Engn, Gwangju Si 61186, South KoreaSeoul Natl Univ, Res Inst Adv Mat RIAM, Dept Mat Sci & Engn, Seoul 08826, South Korea
Lee, Doojin
Song, Young Seok
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Dankook Univ, Dept Fiber Syst Engn, 152 Jukjeon Ro, Gyeonggi Do 16890, South KoreaSeoul Natl Univ, Res Inst Adv Mat RIAM, Dept Mat Sci & Engn, Seoul 08826, South Korea
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Chinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Univ Sci & Technol China, Hefei 230036, Peoples R China
Chinese Acad Sci, Key Lab Photovolat & Energy Conservat Mat, Hefei 230031, Peoples R ChinaChinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Xiao, Chao
Guo, Yujie
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Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China
Univ Chinese Acad Sci, Beijing 100049, Peoples R ChinaChinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Guo, Yujie
Tang, Yunlu
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Chinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Univ Sci & Technol China, Hefei 230036, Peoples R China
Chinese Acad Sci, Key Lab Photovolat & Energy Conservat Mat, Hefei 230031, Peoples R ChinaChinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Tang, Yunlu
Ding, Jiwan
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Chinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Univ Sci & Technol China, Hefei 230036, Peoples R China
Chinese Acad Sci, Key Lab Photovolat & Energy Conservat Mat, Hefei 230031, Peoples R ChinaChinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Ding, Jiwan
Zhang, Xian
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Chinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Chinese Acad Sci, Key Lab Photovolat & Energy Conservat Mat, Hefei 230031, Peoples R ChinaChinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Zhang, Xian
Zheng, Kang
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Chinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Chinese Acad Sci, Key Lab Photovolat & Energy Conservat Mat, Hefei 230031, Peoples R ChinaChinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Zheng, Kang
Tian, Xingyou
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Chinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
Chinese Acad Sci, Key Lab Photovolat & Energy Conservat Mat, Hefei 230031, Peoples R ChinaChinese Acad Sci, Inst Appl Technol, Hefei Inst Phys Sci, Hefei 230031, Peoples R China
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Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Wang, Zhi-Guo
Wang, Jun-Yang
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Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Wang, Jun-Yang
Guo, Zi-Han
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Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Guo, Zi-Han
Wang, Wei-Hang
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Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Wang, Wei-Hang
Zhou, Si-Yuan
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Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Zhou, Si-Yuan
Li, Yue
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Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Li, Yue
Jia, Li-Chuan
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Sichuan Univ, Coll Elect Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Jia, Li-Chuan
Niu, Jia-Hong
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Sichuan Univ, Sch Aeronaut & Astronaut, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Niu, Jia-Hong
Zhong, Gan-Ji
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Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Zhong, Gan-Ji
Xu, Ling
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Sichuan Univ, Sch Aeronaut & Astronaut, Chengdu 610065, Peoples R China
Guangdong DFP New Mat Grp Co Ltd, Shantou 515041, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Xu, Ling
Xu, Jia-Zhuang
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Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
Xu, Jia-Zhuang
Li, Zhong-Ming
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Sichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R ChinaSichuan Univ, Coll Polymer Sci & Engn, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China
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Jiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R ChinaJiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R China
Xiang, Meng
Yang, Zhou
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Jiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R ChinaJiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R China
Yang, Zhou
Yang, Jingjing
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Jiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R ChinaJiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R China
Yang, Jingjing
Lu, Tong
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Jiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R ChinaJiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R China
Lu, Tong
Wu, Danqi
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Jiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R ChinaJiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R China
Wu, Danqi
Liu, Zhijun
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Jiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R ChinaJiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R China
Liu, Zhijun
Xue, Rongjie
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Jiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R ChinaJiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R China
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Dong, Shuang
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Changzhou Inst Technol, Dept Math Sci & Chem Engn, Changzhou 213032, Peoples R ChinaJiangsu Univ Technol, Dept Mat Engn, Changzhou 213001, Peoples R China