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ABSTRACT
New poly(urethane-sulfone)s networks were prepared by the [3 + 2] dipolar cycloaddition of azidomethyl polyethersulfone to urethane-bismaleimides based on various polyols different by their structure and molecular weight. The chemical structure of these polymers was confirmed by the Fourier transform infrared and nuclear magnetic resonance spectroscopy. The new polymers were characterized using thermogravimetric analysis, differential scanning calorimetry, dynamic mechanical analysis, as well as by stress-strain and water contact angle measurements.
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Notes on contributors
Constantin Gaina
Constantin Gaina received his PhD degree in the field of Polymer Chemistry at "Petru Poni" Institute of Macromolecular Chemistry Iasi, Romania in 1999. He has worked as Senior Researcher at the same institute and published more than 70 scientific papers on advanced polymer materials. His research expertise is focused on the synthesis and characterization of heterocyclic polymers, hybrid polymer materials based on maleimidering.
Oana Ursache
Oana Ursache received her PhD degree in the field of Polymer Chemistry at "Petru Poni" Institute of Macromolecular Chemistry Iasi, Romania, in 2012. Curerently, her research interest includes structure-properties relationship in advanced polymer materials.
Viorica Gaina
Viorica Gaina received her PhD degree in the field of Polymer Chemistry at "Gh. Asachi" Technical University, "Cristofor Simionescu" Faculty of Chemical Engineering and Environmental Protection Iasi, Romania, in 1999. Current research interests are based on the modification of polymer materials.