Abstract
In this study, we report the potential capability of nanoporous poly(styrene-r-methylmethacrylate) (PS-PMMA) copolymer composites in removing toxic benzene-toluene-xylene (BTX) vapors. PS-PMMA copolymer composites have been prepared with the nanofillers of commercial graphene (CG), hexagonal boron nitride nanosheets (h-BN), reduced graphene oxide (rGO), and Fullerene C60. The nanocomposites have been prepared by in-situ bulk polymerization method and the nanoporous structures were obtained solvent nano-crystallization induced phase separation method. The BET results showed the specific surface areas of the composites are ranging from 225 to 280 m2/g with an average pore size of 12 to 40 nm. The PS-PMMA copolymer nanocomposites can be able to adsorb as high as 300 mg/g of BTX vapors from bulk liquids. The demonstrated high adsorption capacity for the toxic BTX vapor by the copolymer nanocomposites and their highly reusable nature (up to 10 consecutive cycles) demonstrate the potential of these materials to be successfully applied for toxic gas removal in relevant industries.
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