FOLLOWUS
a.State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
b.Key Laboratory of Beijing City for Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 100029, China
c.Sino-german School of Engineering, Qingdao University of Science and Technology, Qingdao 266400, China
wangw@buct.edu.cn
Published:1 June 2024,
Published Online:3 April 2024,
Received:3 January 2024,
Revised:8 February 2024,
Accepted:18 February 2024
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Chen, Y.; Shao, X. M.; He, L.; Xu, Y. N.; Yao, Q. Y.; Feng, D.; Wang, W. C. Highly conductive Ag/pCF/MVQ composite rubber for efficient electromagnetic interference shielding. Chinese J. Polym. Sci. 2024, 42, 864–873
Yang Chen, Xiao-Ming Shao, Liang He, et al. Highly Conductive Ag/pCF/MVQ Composite Rubber for Efficient Electromagnetic Interference Shielding. [J]. Chinese Journal of Polymer Science 42(6):864-873(2024)
Chen, Y.; Shao, X. M.; He, L.; Xu, Y. N.; Yao, Q. Y.; Feng, D.; Wang, W. C. Highly conductive Ag/pCF/MVQ composite rubber for efficient electromagnetic interference shielding. Chinese J. Polym. Sci. 2024, 42, 864–873 DOI: 10.1007/s10118-024-3108-6.
Yang Chen, Xiao-Ming Shao, Liang He, et al. Highly Conductive Ag/pCF/MVQ Composite Rubber for Efficient Electromagnetic Interference Shielding. [J]. Chinese Journal of Polymer Science 42(6):864-873(2024) DOI: 10.1007/s10118-024-3108-6.
In this study
highly conductive composite rubber was prepared by dopamine-assisted electroless silver plating plus mechanical mixing. Thanks to the advantages of low density
high aspect ratio and high conductivity of the silver-plated carbon fibers
the EMI shielding effectiveness of the composite rubber filled with 45 phr of silver-plated carbon fibers reached 111 dB.
In this study
flexible and highly conductive composite rubber at low filler content was successfully prepared through polydopamine-assisted electroless silver plating plus mechanical mixing. Firstly
carbon fibers (CF) were activated by polydopamine (PDA) to improve the surface activity by self-polymerization reaction. Next
because of the metal chelating ability of PDA
silver layer was firmly deposited on the surface of CF through a facile electroless silver plating method. Finally
flexible silver-plated carbon fibers (Ag/pCF) silicone rubber composites prepared by mechanical mixing. By using X-ray photoelectron spectroscopy (XPS) and X-ray diffraction (XRD)
the chemical composition and crystal structure of Ag/pCF were examined
and scanning electron microscopy (SEM) was used to assess the surface morphology of the Ag/pCF. The results showed that a uniform and dense silver layer was formed on the surface of the CF
and the conductivity of the Ag/pCF could reach 7885 S/cm. It was noteworthy that the composite rubber filled with only 45 phr Ag/pCF had a high electromagnetic interference shielding effectiveness (100 dB) due to the low density and high aspect ratio of Ag/pCF. The composite rubber has excellent potential for application in the field of electromagnetic interference shielding.
Carbon fibersPolydopamineElectroless platingSilverElectromagnetic interference shielding
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