Oligomers with structural elements of imidazolidinetrione obtained from oxamic acid and oxamide: polyurethane foams modified by structural elements of imidazolidinetrione

Iwona Zarzyka

doi:10.1515/polyeng-2013-0318

Article

Oligomers with structural elements of imidazolidinetrione obtained from oxamic acid and oxamide: polyurethane foams modified by structural elements of imidazolidinetrione

Iwona Zarzyka
Iwona Zarzyka graduated from Rzeszow University of Technology (Faculty of Chemistry) in 1998. She obtained her PhD in Chemical Sciences in the discipline of Chemical Technology in 2003. Since 1998, she has worked at the Department of Organic Chemistry, Faculty of Chemistry, Rzeszow University of Technology and since 2004, as an Assistant Professor. Her scientific research refers to organic chemistry and polymer chemistry including polyesters and polyurethanes, especially modification of rigid polyurethane foams. Recently, she has started to conduct research related to advanced thermal analysis.

Published/Copyright: August 5, 2014

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From the journal Journal of Polymer Engineering Volume 35 Issue 1

Abstract

Hydroxyalkyl derivatives containing oxamidoester and oxamide fragments have been separately obtained using oxamic acid, oxamide and alkylene carbonates. It has been proven that the presence of oxamidoester and oxamide structural fragments in oligomer structures is responsible for the thermal stability of these products. Rigid, thermally stable polyurethane foams were obtained with the use of oligomers with oxamidoestercarbamidoimide, carbamide, oxamidoester and oxamide groups as polyols components. The properties of these foamed materials were compared with each other and with the properties of reference foams. It was found that the polyurethane foams characterized by the best properties were obtained from hydroxypropyl derivatives of oxamide.

Keywords: hydroxyalkylation; polyurethane foams; structure modification

Corresponding author: Iwona Zarzyka, Department of Organic Chemistry, Rzeszów University of Technology, Al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland, e-mail: izarzyka@prz.edu.pl

About the author

Iwona Zarzyka

Iwona Zarzyka graduated from Rzeszow University of Technology (Faculty of Chemistry) in 1998. She obtained her PhD in Chemical Sciences in the discipline of Chemical Technology in 2003. Since 1998, she has worked at the Department of Organic Chemistry, Faculty of Chemistry, Rzeszow University of Technology and since 2004, as an Assistant Professor. Her scientific research refers to organic chemistry and polymer chemistry including polyesters and polyurethanes, especially modification of rigid polyurethane foams. Recently, she has started to conduct research related to advanced thermal analysis.

Acknowledgments

I would like to express my gratitude to Ms Ewa Kolasa from the Department of Foreign Languages at Rzeszow University of Technology for her advice and assistance in proofreading this work.

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Received: 2013-12-25

Accepted: 2014-7-2

Published Online: 2014-8-5

Published in Print: 2015-1-1

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Articles in the same Issue

https://doi.org/10.1515/polyeng-2013-0318

Keywords for this article

hydroxyalkylation; polyurethane foams; structure modification