Summary
A linear polyethyleneimine obtained by cationic polymerization of 2-methyl-2-oxazoline was crosslinked with 1,4-dibromo-2-butene (IML-1). This resin subsequently was N-alkylated with dimethyl sulphate (IML-1M). With both resins were carried out analytical assays, such as: pH dependence for copper (II), uranium (VI), iron (II) and (III); maximum capacity of load for copper and uranium; elution assays. Moreover, the morphology by scanning electron microscopy and thermal stability were studied.
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Rivas, B.L., Maturana, H.A., Perich, I.M. et al. Linear polyethyleneimine supports for resins with retention properties for heavy metals. Part 2. Polymer Bulletin 15, 121–125 (1986). https://doi.org/10.1007/BF00263388
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DOI: https://doi.org/10.1007/BF00263388