NDLI: The first report on phosphonate-based homopolymers combining both chelating and thermosensitive properties of gadolinium: synthesis and evaluation

Content Provider	Royal Society of Chemistry (RSC)
Author	Dacheux, Nicolas Monge, Sophie Faur, Catherine Pellet-Rostaing, Stéphane Bouyer, Denis Rodrigues, Donatien Gomes
Copyright Year	2015
Abstract	An original phosphonate-based acrylamide was first prepared in four steps including the incorporation of a valuable carbamoylmethylphosphonate moiety. This monomer was then polymerized, thus leading to poly(diethyl-6-(acrylamido)hexylcarbamoylmethylphosphonate) (P(CPAAm6C)), combining both thermosensitivity and chelating properties. The influence of different parameters (polymer concentration, salt, and acidity) on the P(CPAAm6C) cloud point was determined, mainly considering the salting-out and salting-in effect related to the Hofmeister series. Finally, it was proved that thermosensitive P(CPAAm6C) was efficient for the complexation of gadolinium below and above the cloud point. The latter logically depended on the Gd sorption. To our knowledge, the P(CPAAm6C) polymer represents the only example reported in the literature where only one monomeric unit can allow, on the one hand, the complexation of rare earth elements, in particular gadolinium, and, on the other hand, thermo-responsive properties. The poly(diethyl-6-(acrylamido)hexylcarbamoylmethylphosphonate) polymers open the way to new materials that could be used for the treatment of rare earth elements containing effluents, allowing their recovery while possibly recycling the homopolymer.
Starting Page	5264
Ending Page	5272
Page Count	9
File Format	HTM / HTML PDF
ISSN	17599954
Volume Number	6
Issue Number	29
Journal	Polymer Chemistry
DOI	10.1039/c5py00785b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Sorption Acrylamide Cloud point Hofmeister series Polymer Gadolinium Salting out Monomer
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Biochemistry Bioengineering Biomedical Engineering Polymers and Plastics

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