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Reference type: Journal
Authors: Li TY, Wu L, Chen SX, Li HC, Xu XZ
Article Title: A Simple Scheme for Grafting an Ion-Imprinted Layer onto the Surface of Poly(propylene) Fibers.
Publication date: 2011
Journal: Macromolecular Chemistry And Physics
Volume: 212
Issue: (19)
Page numbers: 2166-2172.
DOI: 10.1002/macp.201100195

Abstract: A simple method for surface ion-imprinting is described in which poly(glycidyl methacrylate) is grafted onto PP fibers to act as a binder to a Cu2+ ion-imprinted polymer layer. Mechanical and thermal analysis shows excellent tensile and thermal properties of the ion-imprinted fibers. Competitive adsorption of Cu2+ and other ions such as Zn2+, Ni2+, Cd2+, Mn2+, and Mg2+ on the fibes is examined and a highly selective adsorption of Cu2+ is observed. The selectivity coefficient for Cu2+ with respect to Cd2+ can be as high as 20.2. Dynamic adsorption results indicate that the fibers are able to thoroughly remove Cu2+ from a solution. Regeneration performance tests show that the fibers maintain almost the same adsorption capacity for copper ions after 10 adsorption/desorption cycles
Template and target information: copper ion, Cu(II)
Author keywords: adsorption, fibers, graft copolymers, molecular imprinting, polyethylenimine


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