2007
DOI: 10.1007/s00289-007-0825-2
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Synthesis and Characterization of Anionic Exchange Resins with a Gradient in Polymer Composition for the PS-co-DVB/PDEAMA-co-DVB System

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Cited by 5 publications
(2 citation statements)
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“…The textural properties of the polymers can be modified by the solvents used in the polymerization mixture and the presence of porogenic agents [8,[32][33][34][35][36][37][38][39][40][41]. It was reported by Piletsky and coworkers [18,42,43], Schmidt et al [44,45] and Ferreira et al [9] that polymeric porogens significantly enhanced both the permeability and the capacity of the polymer, since the extraction of the linear polymeric porogen from the matrix generates larger pores in the polymer structure.…”
Section: Introductionmentioning
confidence: 95%
“…The textural properties of the polymers can be modified by the solvents used in the polymerization mixture and the presence of porogenic agents [8,[32][33][34][35][36][37][38][39][40][41]. It was reported by Piletsky and coworkers [18,42,43], Schmidt et al [44,45] and Ferreira et al [9] that polymeric porogens significantly enhanced both the permeability and the capacity of the polymer, since the extraction of the linear polymeric porogen from the matrix generates larger pores in the polymer structure.…”
Section: Introductionmentioning
confidence: 95%
“…Such superiority has been attributed to the synergic contribution of polymeric region(s) rich in component A as well as of region(s) rich in component B, in the spatial structure of the bulk polymer, which leads to the optimization of properties [ 6 ]. Moreover, using the suspension process, forming gradients by comers/monomer diffusion in polymer beads followed by an in situ polymerization, better control in transport properties [ 8 , 9 ], or ionic exchange optimization [ 10 , 11 ] has been achieved in polymer blends. Nevertheless, for materials obtained by conventional or traditional free radical polymerization (FRP), if sequential homopolymerizations of A and B components are used in emulsion, a two-phase core-shell type polymer is usually obtained, where phase separation generates a weak interaction between the components, inhibiting the optimization of properties.…”
Section: Introductionmentioning
confidence: 99%