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e-Polymers

Editor-in-Chief: Agarwal, Seema / Greiner, Andreas

6 Issues per year


IMPACT FACTOR 2017: 1.111

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1618-7229
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Volume 4, Issue 1

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Volume 1 (2001)

Removal of copper-based catalyst in atom transfer radical polymerization using different extraction techniques

Isabelle Ydens
  • Laboratory of Polymeric and Composite Materials, University of Mons-Hainaut, Place du Parc 20, 7000 Mons, Belgium; Fax 0032 (65) 37 34 84
  • Other articles by this author:
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/ Sébastien Moins
  • Laboratory of Polymeric and Composite Materials, University of Mons-Hainaut, Place du Parc 20, 7000 Mons, Belgium; Fax 0032 (65) 37 34 84
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/ François Botteman
  • Laboratory of Polymeric and Composite Materials, University of Mons-Hainaut, Place du Parc 20, 7000 Mons, Belgium; Fax 0032 (65) 37 34 84
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/ Philippe Degée
  • Laboratory of Polymeric and Composite Materials, University of Mons-Hainaut, Place du Parc 20, 7000 Mons, Belgium; Fax 0032 (65) 37 34 84
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/ Philippe Dubois
  • Corresponding author
  • Laboratory of Polymeric and Composite Materials, University of Mons-Hainaut, Place du Parc 20, 7000 Mons, Belgium; Fax 0032 (65) 37 34 84
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Published Online: 2013-08-31 | DOI: https://doi.org/10.1515/epoly.2004.4.1.414

Abstract

Several methods allowing the removal of copper-based ATRP active complexes from crude amino-functionalized polymethacrylate chains are compared. Among them, precipitation in basic medium is one of the most efficient techniques since it allows high recovery yields (above 90%) with a residual metal content as low as 5 ppm. Extraction methods such as liquid-liquid phase separation and dialysis but also selective adsorption on acidic macroporous ion exchange resin constitute other attractive alternatives. As far as water-insoluble polymers are concerned, catalyst adsorption on alumina remains the most universal method and provides acceptable recovery efficiency. However, we want to stress the key-importance of the experimental adsorption conditions and above all the relative content of alumina used for catalyst extraction.

About the article

Published Online: 2013-08-31

Published in Print: 2004-12-01


Citation Information: e-Polymers, Volume 4, Issue 1, 039, ISSN (Online) 1618-7229, ISSN (Print) 2197-4586, DOI: https://doi.org/10.1515/epoly.2004.4.1.414.

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