Nanocarbon/polyethylene composites with segregated conductive network for electromagnetic interference shielding

被引：26
|
作者：
Vovchenko, L. [1 ]
Matzui, L. [1 ]
Oliynyk, V. [1 ]
Launets, V. [1 ]
Mamunya, Ye. [2 ]
Maruzhenko, O. [2 ]
机构：
[1] Taras Shevchenko Natl Univ Kyiv, Dept Phys, Volodymyrska Str 64-13, UA-01601 Kiev, Ukraine
[2] Natl Acad Sci Ukraine, Inst Macromol Chem, 48 Kharkivske Chaussee, UA-02160 Kiev, Ukraine
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2018年 / 672卷 / 01期
关键词：
Nanocarbon filler; composite; segregated structure; electrical conductivity; electromagnetic shielding; POLYETHYLENE COMPOSITES; CARBON NANOTUBES; GRAPHENE; PERCOLATION; NANOCOMPOSITES; PERFORMANCE; FOAMS;
D O I：
10.1080/15421406.2018.1555349
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Nanocarbon/polyethylene (PE) composites filled with up to 10 vol.% of single filler, graphite nanoplatelets (GNPs), carbon nanotubes (CNTs) and a mixture of fillers GNP/CNT were prepared. The segregated structure of nanocarbon network in these composites leads to the excellent electromagnetic shielding (EMI SET), and an absorption-dominated shielding mechanism in the investigated range 26-37.5GHz. The substitution of GNP particles by CNTs promotes the lowering of the percolation threshold and enhances EMI SET compared with composites (CMs) filled only GNPs. So, the composite with 6 vol.% (GNP/CNT) exhibited an EMI SET of 45.0dB at the shield thickness of 1mm.
引用
收藏
页码：186 / 198
页数：13
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