[en] Branched polyethyleneimine (PEI) was sulfonated by reaction with chloropropanesulfonylchloride and phosphonated by reaction with phosphorous acid and formaldehyde. The accordingly formed polyanions were used as doping agents for polypyrrole (PPy). The amount of doping polyanions into thin films of PPy was measured by Rutherford back-scattering. These films were tested for their capacity to extract uranyl ions from liquid wastes of low level activity. The uranium content was determined by neutron activation analysis, autoradiography, and gravimetry of uranium oxide after calcination. The resistance against static and dynamic leachings was also estimated.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering Chemistry
Author, co-author :
Leroy, D.; Université de Liège - ULiège > Department of Chemisry > Coordination Chemistry and Radiochemistry
Martinot, Lucien ; Université de Liège - ULiège > Department of Chemistry > Coordination Chemistry and Radiochemistry
Mignonsin, P.; Université de Liège - ULiège > Department of Chemistry > Coordination Chemistry and Radiochemistry
Strivay, David ; Université de Liège - ULiège > Department of Physics > Institute of Experimental Nuclear Physical Science (IPNE)
Weber, Georges ; Université de Liège - ULiège > Department of Physics > Institute of Experimental Nuclear Physical Science (IPNE)
Jérôme, Christine ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Complexation of uranyl ions by polypyrrole doped by sulfonated and phosphonated polyethyleneimine
Publication date :
11 April 2003
Journal title :
Journal of Applied Polymer Science
ISSN :
0021-8995
eISSN :
1097-4628
Publisher :
John Wiley & Sons, Hoboken, United States - New Jersey
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