Thermal characterization of novel p-nitrobenzylacrylate–diisopropyl fumarate copolymer synthesized under microwave energy

Copolymers of p -nitrobenzyl acrylate and diisopropyl fumarate with different feed ratios were synthesized under microwave and thermal heating conditions, and then characterized by IR, 1 H-, and 13 C-NMR spectroscopy. Average molecular weights were analyzed by size exclusion chromatography (SEC). Mo...

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Veröffentlicht in:	Journal of thermal analysis and calorimetry 2012-09, Vol.109 (3), p.1525-1531
Hauptverfasser:	Oberti, Tamara G., Alessandrini, José Luis, Susana Cortizo, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical Chemistry Applied sciences Calorimetry Chemical properties Chemical reactions and properties Chemistry Chemistry and Materials Science Chromatography Degradation Exact sciences and technology Inorganic Chemistry Measurement Science and Instrumentation Nuclear magnetic resonance spectroscopy Organic polymers Physical Chemistry Physicochemistry of polymers Polymer Sciences Polymerization
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Zusammenfassung:	Copolymers of p -nitrobenzyl acrylate and diisopropyl fumarate with different feed ratios were synthesized under microwave and thermal heating conditions, and then characterized by IR, 1 H-, and 13 C-NMR spectroscopy. Average molecular weights were analyzed by size exclusion chromatography (SEC). Monomer reactivity ratios were obtained from an extended Kelen–Tüdös method. Differential scanning calorimetry and thermogravimetry were used to evaluate the thermal behavior of all copolymers synthesized under microwave energy. Based on the products analyzed by SEC and gas chromatography–mass spectrometry, a possible mechanism of degradation is postulated.
ISSN:	1388-6150 1588-2926 1572-8943
DOI:	10.1007/s10973-011-1917-7