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Study on calcined black shale/HDPE composites and its electrical properties
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Song HAN1, Jinwen PENG1, Ling LI2, Beiguo RONG2, Yuanli LIU1, Weixing DENG1, 3
Insulating Materials | 2023, 56(10) : 43 - 49
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Insulating Materials | 2023, 56(10): 43-49
• Material Research •
Study on calcined black shale/HDPE composites and its electrical properties
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Song HAN1, Jinwen PENG1, Ling LI2, Beiguo RONG2, Yuanli LIU1, Weixing DENG1, 3
Affiliations
  • 1School of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
  • 2Guilin Hongcheng Mining Equipment Manufacture Co., Ltd., Guilin 541004, China
  • 3Department of Chemistry and Pharmacy, Guilin Normal College, Guilin 541004, China
Published: 2023-10-20 doi: 10.16790/j.cnki.1009-9239.im.2023.10.006
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In order to solve the problem of poor interaction between black shale (BS) and coupling agent in the application process of polymer filler, and the strong odor of sulfur-containing elements during the processing, BS was processed by calcination, the effect of calcination on the composition and morphology of BS was analyzed by XPS, FTIR, and SEM. Then calcinated BS/high density polyethylene (HDPE) composites were prepared, the thermodynamic, mechanical, and electrical properties of the composite materials were tested. The results show that after calcination, the organic matter and pyrite in BS are removed, and the molar ratio of carbon atom in BS decreases from 35.95% to 6.98%, while that of sulfur atom is no longer detectable. The shale maintains a layered structure and has lamellar fragmentation, and the spacing between shale strata is slightly reduced. The impact strength of calcined BS/HDPE composites are significantly higher than that of natural BS/HDPE, because there is a large amount of interfacial bonding between calcined shale and HDPE, while natural shale and HDPE are completely separated. The volume resistivity of the calcined BS/HDPE composites maintains at 4.79×1016 Ω·cm or higher than that, it is showed the addition of calcined BS has little effect on the dielectric properties of the composites, so that they have good electrical insulation properties.

black shale (BS)  /  high density polyethylene (HDPE)  /  calcination  /  impact strength  /  volume resistivity
Song HAN, Jinwen PENG, Ling LI, Beiguo RONG, Yuanli LIU, Weixing DENG. Study on calcined black shale/HDPE composites and its electrical properties[J]. Insulating Materials, 2023 , 56 (10) : 43 -49 . DOI: 10.16790/j.cnki.1009-9239.im.2023.10.006
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2023.10.006
  • Receive Date：2022-11-22
  • Online Date：2025-11-24
  • Published：2023-10-20
Article Data
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History
  • Received：2022-11-22
  • Revised：2023-01-08
Funding
Affiliations
    1School of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China
    2Guilin Hongcheng Mining Equipment Manufacture Co., Ltd., Guilin 541004, China
    3Department of Chemistry and Pharmacy, Guilin Normal College, Guilin 541004, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2023.10.006
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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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