Santosh Kumar Yadav, Hye Jin Yoo and Jae Whan Cho Click coupled graphene for fabrication of high-performance polymer nanocomposites Journal of Polymer Science Part B: Polymer Physics 51
A promising technique to improve the properties of polymer-graphene nanocomposites is to functionalize graphene to induce the covalent attachment of a polymer chain onto it. Poly(ε-caprolactone) (PCL)-click coupled graphene sheet (GS) reinforcing fillers are synthesized by covalent functionalization of graphene oxide with PCL. The results reveal that PCL chains are attached to the surfaces of the graphene sheets, which suggests good compatibility between the GS and the PCL. Dark elliptical spots on the GS surface are ubiquitous and reveal the morphology of the grafted PCL chains.
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