Influence of organo-clay on electrical and mechanical properties of PP/MWCNT/OC nanocomposites

被引：41
作者：
Levchenko, V. [1 ,2 ,3 ,4 ]
Mamunya, Ye. [1 ]
Boiteux, G. [2 ,3 ,4 ]
Lebovka, M. [5 ]
Alcouffe, P. [2 ,3 ,4 ]
Seytre, G. [2 ,3 ,4 ]
Lebedev, E. [1 ]
机构：
[1] NAS Ukraine, Inst Macromol Chem, UA-02160 Kiev, Ukraine
[2] IMP LMPB, F-69622 Villeurbanne, France
[3] Univ Lyon, F-69003 Lyon, France
[4] CNRS, UMR5223, F-69621 Villeurbanne, France
[5] NAS Ukraine, Inst Biocolloidal Chem, UA-03142 Kiev, Ukraine
来源：
EUROPEAN POLYMER JOURNAL | 2011年 / 47卷 / 07期
关键词：
Nanocomposite; Percolation threshold; Organo-clay; Carbon nanotubes; WALLED CARBON NANOTUBES; POLYPROPYLENE COMPOSITES; AC CONDUCTIVITY; DISPERSION; BEHAVIOR; BLACK; POLYCARBONATE; MASTERBATCH; POLYMERS; DC;
D O I：
10.1016/j.eurpolymj.2011.03.012
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The electrical, thermal and mechanical properties of nanocomposites, based on polypropylene (PP) filled by multi-walled carbon nanotubes (MWCNTs) and organo-clay (OC), were studied with the purpose of finding out the effect of OC on the microstructure of MWCNTs dispersion and PP/MWCNT/OC composites. It was found that addition of organo-clay nano-particles improved nanotube dispersion and enhanced electrical properties of PP/MWCNT nanocomposites. Addition of organo-clay (MWCNT/OC ratio was 1/1) reduced the percolation threshold of PP/MWCNT nanocomposites from phi(c) = 0.95 vol.% to phi(c) = 0.68 vol.% of carbon nanotubes, while the level of conductivity became 2-4 orders of magnitude higher. The DSC and DMA analyses have shown that the influence of organo-clay on the thermal and mechanical properties of material was not significant in composites with both fillers as compared to PP/OC. Such an effect can be caused by stronger interaction of OC with carbon nanotubes than with polymer matrix. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1351 / 1360
页数：10
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