Effect of Carbon Black Distribution on Conductivity and Electromagnetic Interference Shielding Properties of Polyethylene composite

Document Type : Original Articles

Authors

samane sahebian

mohsen hadad

ali shajari

fatemeh najjarnia

Department of Metallurgy and Materials Engineering, ferdowsi University of mashhad, mashhad, khorasa razavi, iran

10.22067/jmme.2024.80076.1096

Abstract

The application of conductive particles with segregated distribution in the polymeric matrices is one of the most effective ways to reduce percolation threshold, increase conductivity, and improve electromagnetic interference (EMI) shielding properties. In this study, mechanical mixing and hot compression molding were used to fabricate polyethylene/carbon black composite with segregate structure and random distributions. Scanning electron microscope images showed that during the mechanical mixing process, the polymeric granules were well coated with carbon black. besides, there is good relation between conductivity and well dispersed of carbon black on the surface of HDPE granules. The electrical conductivity of segregated structure composite ( 2 wt% carbon black) increased about 3000 times compared to the random structure(2%wt carbon black). Using the vector network analyzer, it was revealed that by increasing the black carbon content from 2 to 5 wt%, the maximum EMI shielding effectiveness of the composite increased from 6 dB to 16 dB, respectively.

Keywords

conductive polymer composite

conductive property

segregated structure

carbon black

Electromagnetic Interference Shielding Property

Subjects

• Advanced Materials

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References

• T. Gong, S.P. Peng, R.Y. Bao, W. Yang, B.H. Xie and M.B. Yang, "Low percolation threshold and balanced electrical and mechanical performances in polypropylene/carbon black composites with a continuous segregated structure", Composites Part B: Engineering, vol. 99, pp. 348-357, (2016).
• R. Ou, S. Gupta, C. A. Parker and R. A. Gerhardt, "Fabrication and electrical conductivity of poly (methyl methacrylate)(PMMA)/carbon black (CB) composites: comparison between an ordered carbon black nanowire-like segregated structure and a randomly dispersed carbon black nanostructure", The Journal of Physical Chemistry B, vol. 110, no. 45, pp. 22365-22373, (2006).
• Hong, Z. Zhao, J. Leng, J. Wu and J. Zhang, "Two-step approach based on selective laser sintering for high performance carbon black/polyamide 12 composite with 3D segregated conductive network", Composites Part B: Engineering, vol. 176, p. 107214, (2019).
• Lan, P. Brigandi, X. Yu, M. Q. Tran, J. M. Cogen, T. J. Person and J. Huang, "Tunable morphology and resistivity of ternary polymer composites of carbon black/low density polyethylene/ethylene‐vinyl acetate with carbon blacks having different surface properties", Journal of Applied Polymer Science, vol. 138, no. 34, p. 50845, (2021).
• Cheng, X. Sun, B. Huang, L. Xiao, Q. Chen, C. Cao and Q. Qian, "Endowing Acceptable Mechanical Properties of Segregated Conductive Polymer Composites with Enhanced Filler-Matrix Interfacial Interactions by Incorporating High Specific Surface Area Nanosized Carbon Black", Nanomaterials, vol. 11, no. 8, p. 2074, (2021).
• Wang, X.H. Tang, J.H. Cai, H. Wu, J.B. Shen, and S.Y. Guo, "Construction, mechanism and prospective of conductive polymer composites with multiple interfaces for electromagnetic interference shielding: a review", Carbon, vol. 177, pp. 377-402, (2021).
• Duan, Y. Xu, D.X. Yan, Y. Yang, G. Zhao, and Y. Liu, "Ultrahigh molecular weight polyethylene composites with segregated nickel conductive network for highly efficient electromagnetic interference shielding", Materials Letters, vol. 209, pp. 353-356, (2017).
• H. Cui, H. Pang, D. X. Yan, L. C. Jia, J. Lei and Z. M. Li, "Percolation and resistivity-temperature behaviours of carbon nanotube-carbon black hybrid loaded ultrahigh molecular weight polyethylene composites with segregated structures", RSC advances, vol. 5, no. 75, pp. 61318-61323, (2015).
• Liu, S. Wu, C. You, N. Tian, Y. Li and N. Chopra, "Recent progress in morphological engineering of carbon materials for electromagnetic interference shielding", Carbon, vol. 172, pp. 569-596, (2021).
• Burmistrov, N. Gorshkov, I. Ilinykh, D. Muratov, E. Kolesnikov, S. Anshin, I. Mazov, J.P. Issi and D. Kusnezov, "Improvement of carbon black based polymer composite electrical conductivity with additions of MWCNT", Composites Science and Technology, vol. 129, pp. 79-85, (2016).
• E. Alam, J. Yu, D. Shen, W. Dai, H. Li, X. Zeng, Y. Yao, N. Jiang and C. T. Lin, "Highly conductive 3D segregated graphene architecture in polypropylene composite with efficient EMI shielding", Polymers, vol. 9, no. 12, p. 662, (2017).
• Zhai, Sh. Zhao, Y. Wang, G. Zheng , K. Dai, Ch. Liu and Ch. Shen, "Segregated conductive polymer composite with synergistically electrical and mechanical properties", Composites Part A: Applied Science and Manufacturing, vol. 105, pp. 68-77, (2018).
• P. Zhang, Ch. G. Zhou, W. J. Sun, T. Wang , L. Ch. Jia, D. X. Yan, Zh. M. Li, "Injection molding of segregated carbon nanotube/polypropylene composite with enhanced electromagnetic interference shielding and mechanical performance", Composites Science and Technology, vol. 197, p. 108253, (2020).
• Wang, Z. W. Fan, H. Zhang, J. Guo, D. X. Yan, Sh. Wang, K. Dai and Zh. M. Li, "3D-printing of segregated carbon nanotube/polylactic acid composite with enhanced electromagnetic interference shielding and mechanical performance", Materials & Design, vol. 197, p. 109222, 2021.
• Bao, L. Xu, H. Pang. D. X. Yan, Ch. Chen, W. Q. Zhang, J. H. Tang and zh. M. Li, "Preparation and properties of carbon black/polymer composites with segregated and double-percolated network structures", Journal of Materials Science, vol. 48, no. 14, pp. 4892-4898, )2013(.
• Sharif, M. Arjmand, A. A. Moud, U. Sundararaj and E. P. Roberts, "Segregated hybrid poly (methyl methacrylate)/graphene/magnetite nanocomposites for electromagnetic interference shielding”, ACS applied materials & interfaces, vol. 9, no. 16, pp. 14171-14179, (2017).
• Moazen, S. Sahebian, and M. Haddad-Sabzevar, "Low percolation behavior of HDPE/CNT nanocomposites for EMI shielding application: Random distribution to segregated structure," Synthetic Metals, vol. 281, p. 116900, 2021.
•