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首页> 外文期刊>Journal of Applied Polymer Science >Flexible conductive poly(styrene-butadiene-styrene)/carbon nanotubes nanocomposites: Self-assembly and broadband electrical behavior
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Flexible conductive poly(styrene-butadiene-styrene)/carbon nanotubes nanocomposites: Self-assembly and broadband electrical behavior

机译：柔性导电聚（苯乙烯 - 丁二烯 - 苯乙烯）/碳纳米管纳米复合材料：自组装和宽带电气行为

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摘要

Flexible conductive nanocomposites with the ability of self-assembly into well-ordered structures are promising multifunctional materials for energy conversion and storage devices. In this work, flexible nanocomposites based on multi-walled carbon nanotubes (MWCNTs) and poly(styrene-butadiene-styrene) (SBS) were obtained by solution casting, followed by a post-annealing treatment, during 7 days at 110 degrees C, to enable the self-organization of the SBS. The impact of the MWCNTs on the self-assembly was studied by atomic force microscopy and Small angle X-rays scattering, and the conductivity of these nanocomposites was analyzed over the broadband frequency range, that is, 10(-1)-10(6) Hz. The results revealed that the lower MWCNTs loadings (approximate to 0.2 v %) were the most suitable to achieve a conductive network through the SBS, maintaining self-assembled domains. These domains include hexagonally packed cylinders and alternating lamellae. Furthermore, at loadings above 1 v %, the impact of further MWCNTs addition on the conductivity was marginal over the whole frequency range and the self-assembly tendency was progressively reduced. (c) 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46650.
机译：具有自组装能力的柔性导电纳米复合材料在有序的结构中是对能量转换和储存装置的多功能材料。在这项工作中，通过溶液浇铸获得基于多壁碳纳米管（MWCNT）和聚（苯乙烯 - 丁二烯 - 苯乙烯）（SBS）的柔性纳米复合材料，然后在110℃下进行退火后处理，启用S​​BS的自我组织。通过原子力显微镜和小角度X射线散射研究了MWCNT对自组装的影响，并在宽带频率范围内分析了这些纳米复合材料的导电性，即10（1）-10（6 ）Hz。结果表明，下部MWCNTS负载量（近似为0.2V％）是最适合于通过SBS实现导电网络，维持自组装结构域。这些座位包括六角包装缸和交替的薄片。此外，在11％以上的载荷时，进一步MWCNT的影响在整个频率范围内越来越多地在整个频率范围内，并且自组装趋势逐渐减少。 （c）2018 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,46650。

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