Abstract

Flexible and electroconductive nanocomposites based on reduced graphene oxide (RGO) and hydroxylated styrene–butadiene–styrene tri-block copolymer (HO-SBS) were prepared by solution blending method. By the introduction of the groups of OH and >CO onto SBS, the compatibility between RGO and SBS was enhanced. Field emission scanning electron microscopy (FE-SEM) and high-resolution transmission electron microscopy (HR-TEM) showed that RGO dispersed homogeneously and formed a compact continuous network in matrix (HO-SBS). The addition of RGO improved the thermal stability of the RGO/HO-SBS nanocomposites while slightly lowered the mechanical property. Moreover, RGO gave the nanocomposites a maximum electrical conductivity up to 1.3 S/m.

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