Journal
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
Volume 57, Issue 35, Pages 11929-11938Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.8b03238
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Funding
- National Natural Science Foundation of China [51673134, 51421061, 21704070]
- Programme of Introducing Talents of Discipline to Universities [B13040]
- Science and Technology Department of Sichuan Province [2017GZ0412, 2018RZ0041]
- Fundamental Research Funds for the Central Universities [2017SCU04A03, sklpme2017306, 2012017yjsy102]
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Herein, the graphite-carbon nanotube (G-CNT) hybrid loaded ultrahigh molecular weight polyethylene (UHMIATPE) composite with a segregated structure was fabricated. In such structure, the G-CNT hybrid was selectively distributed at the interfaces of UHMWPE domains to form interconnected networks, as demonstrated by optical microscopy and scanning electron microscopy. The resultant G-CNT/UHMVVPE composite exhibited an excellent electrical conductivity of 195.3 S m(-1) and an ultrahigh electromagnetic interference shielding effectiveness (EMI SE) of 81.0 dB. The results were superior to those of single graphite or the CNT loaded one, clearly confirming the synergistic effect of graphite and CNT. Amazingly, only a specimen of 0.5 mm thickness imparted the G-CNT/UHMWPE composite with an EMI SE of 31.8 dB, already matching the requirement for commercial EMI shielding applications. This work highlights the merit of integrating the segregated structure with the synergistic effect of G-CNT hybrid in forming highly conductive networks and developing efficient EMI shielding materials.
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