Faculty of Industrial Chemistry and Environmental Engineering;
"Politehnica" University of Timisoara;
P-ta Victoriei 2 Timisoara 300006;
Romania;
Technical University "Gheorghe Asachi" Iasi;
the Faculty of Chemical Engineering and Environment Protection;
71 profdr.doe Dimitrie Mangeron str;
Iasi 700050;
Romania;
"Petru Poni" Institute of Macromolecular Chemistry;
Aleea Gr. Ghica Voda 41 A;
lasi 700050;
Romania;