Chemical synthesis, characterization and separation studies of functionalized polymeric supports. Final report

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Description

Polymer resins with immobilized phosphorus acid ligands have been used to remove metal ions from solutions over wide pH range. These resins offer selective removal of metal ions under acidic conditions through coordination with the phosphoryl oxygen. Use of poly(vinylbenzyl chloride) foams as supports for phosphorus-based ligands is examined in this report. Foams with large pore volumes as supports offer an advantage over gel and macroporous beads in that the increased porosity could lead to increased rates of metal ion complexation, and the larger pore size allows the use of more hydrophobic ligands such as phosphonate esters in metal ion ... continued below

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17 p.

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Alexandratos, S.D. & Beauvais, R. October 27, 1994.

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Description

Polymer resins with immobilized phosphorus acid ligands have been used to remove metal ions from solutions over wide pH range. These resins offer selective removal of metal ions under acidic conditions through coordination with the phosphoryl oxygen. Use of poly(vinylbenzyl chloride) foams as supports for phosphorus-based ligands is examined in this report. Foams with large pore volumes as supports offer an advantage over gel and macroporous beads in that the increased porosity could lead to increased rates of metal ion complexation, and the larger pore size allows the use of more hydrophobic ligands such as phosphonate esters in metal ion complexations from aqueous solutions. Effects of crosslinking and sulfonation on metal ion complexation are also studied.

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17 p.

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OSTI as DE97002596

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  • Other Information: PBD: 27 Oct 1994

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  • Other: DE97002596
  • Report No.: LA-SUB--95-154
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/436368 | External Link
  • Office of Scientific & Technical Information Report Number: 436368
  • Archival Resource Key: ark:/67531/metadc676168

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  • October 27, 1994

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  • July 25, 2015, 2:20 a.m.

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  • July 28, 2016, 7:09 p.m.

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Alexandratos, S.D. & Beauvais, R. Chemical synthesis, characterization and separation studies of functionalized polymeric supports. Final report, report, October 27, 1994; New Mexico. (digital.library.unt.edu/ark:/67531/metadc676168/: accessed November 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.