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Effect of Size Distribution and Content of Barium Titanate on Properties of Polyvinylidene Fluoride Based Composites
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Ming ZHOU1, Wei DENG1, 2, Wenqi WANG1, Guanlun REN1, Weiwei CUI1
Insulating Materials | 2021, 54(8) : 24 - 30
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Insulating Materials | 2021, 54(8): 24-30
• Material Research •
Effect of Size Distribution and Content of Barium Titanate on Properties of Polyvinylidene Fluoride Based Composites
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Ming ZHOU1, Wei DENG1, 2, Wenqi WANG1, Guanlun REN1, Weiwei CUI1
Affiliations
  • 1School of Material Science and Engineering, Harbin University of Science and Technology, Harbin 150040, China
  • 2Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, China
Published: 2021-08-20 doi: 10.16790/j.cnki.1009-9239.im.2021.08.004
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A barium titanate/polyvinylidene fluoride (BT/PVDF) composites was prepared by solution blending method, and the effect of size distribution and content of BT particles on the dielectric properties, electric strength, energy storage properties, and thermal stability of the composites were investigated. The results show that compared with single particle size BT, the synergistic effect of double particle size BT filler makes the composites have more excellent comprehensive properties, and the synergistic effect is the most remarkable when the mass ratio of BT with double size is equal to 1. With the increase of filler content, the dielectric constant and thermal stability of the composites increase, and the dielectric loss factor of the composites maintains at the relative low level. When the mass fraction of BT is 60%, and the mass ratio of BT with double size is 5∶5, the dielectric constant of BT/PVDF composites reaches 46.5 at 100 Hz, which is 5 times bigger than that of pure PVDF; the energy storage density and polarization are 0.18 J/cm3 and 0.011 9 C/m2, respectively, which are 176% and 310% higher than those of pure PVDF; the decomposition temperature corresponding to 5% of weight loss reaches 478.4℃, which is 1.3℃ and 30.3℃ higher than that of PVDF composites filled with S-BT and L-BT, respectively.

polyvinylidene fluoride  /  barium titanate particle  /  composites  /  size distribution  /  property
Ming ZHOU, Wei DENG, Wenqi WANG, Guanlun REN, Weiwei CUI. Effect of Size Distribution and Content of Barium Titanate on Properties of Polyvinylidene Fluoride Based Composites[J]. Insulating Materials, 2021 , 54 (8) : 24 -30 . DOI: 10.16790/j.cnki.1009-9239.im.2021.08.004
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doi: 10.16790/j.cnki.1009-9239.im.2021.08.004
  • Receive Date：2020-08-23
  • Online Date：2026-03-20
  • Published：2021-08-20
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  • Received：2020-08-23
  • Revised：2020-10-20
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Affiliations
    1School of Material Science and Engineering, Harbin University of Science and Technology, Harbin 150040, China
    2Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, Harbin University of Science and Technology, Harbin 150080, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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