Abstract
Well-defined oil-absorption material was successfully synthesized via living radical polymerization (LRP) on the surface of poly lauryl methacrylate utilizing hydrophilic groups as monomers, Copper(0)/pentamethyldiethylenetriamine as catalyst system. The polymerization proceeded in a ‘‘living’’ manner as indicated by linearity kinetic plot of the polymerization. Plots of ln([M])0/([M]) versus time and plots of the molecular weight versus conversion showed a linear dependence, indicating a constant number of propagating species throughout the polymerization. The chemical structure of sorbent was determined by FT-IR spectrometry and in addition TGA, GPC and 1H NMR provide additional evidence for the formation of the block copolymer. The oil-absorption sorber shows a higher absorption capacity especially for trichloroethylene compared to other organic solvents. The sorber also possesses a thermoresponsive behavior at both 25 °C and 55 °C.
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