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Reference type: Journal
Authors: Koide Y, Tsujimoto K, Shosenji H, Maeda M, Takagi M
Article Title: Adsorption of metal ions to surface-template resins prepared with amphiphilic styrene monomers bearing amino carboxylic acid.
Publication date: 1998
Journal: Bulletin of the Chemical Society of Japan
Volume: 71
Issue: (4)
Page numbers: 789-796.
DOI: 10.1246/bcsj.71.789

Abstract: Monomer-type functional surfactants, 2-(p-vinylbenzylamino)alkanoic acid (RnNAc) and N,N-dialkyl derivatives (RRnNAc), have been used as both a ligand and an emulsifier for the preparation of surface- template resins. The surfactants adsorbed at the toluene-water interface and emulsified divinylbenzene-styrene in a Cu2+ or Zn2+ solution. Emulsion polymerization using a K2S2O8 initiator (80 degrees C) or by irradiation with gamma-rays gave fine particles of 200-800 nm in diameter. Metal-imprinted resins prepared with RnNAc and RRnNAc showed a high adsorptive capacity for the metal ion (surface-template effect). Cu-imprinted resins prepared with R8NAc were 2.69-times as effective for Cu2+ in competitive sorption from a Cu2+-Zn2+ mixture and Zn-imprinted resins were 1.84-times as effective for Zn2+, compared with unimprinted resins. Because of the great emulsifying power, metal-imprinted resins prepared with R8NAc showed the most metal-selective adsorption and the largest capacity among resins prepared with RnNAc and RRnNAc
Template and target information: Cu(II), Zn(II)


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