Oligomers with structural elements of imidazolidinetrione obtained from oxamic acid and oxamide: polyurethane foams modified by structural elements of imidazolidinetrione
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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.
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.
About the author
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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©2015 by De Gruyter
Artikel in diesem Heft
- Frontmatter
- Review
- Oligomers with structural elements of imidazolidinetrione obtained from oxamic acid and oxamide: polyurethane foams modified by structural elements of imidazolidinetrione
- Original articles
- Group contribution modeling of viscosity during urethane reaction
- Peroxide vulcanization of natural rubber. Part II: effect of peroxides and co-agents
- Evaluation of long-term stability and degradation on polycarbonate based plastic glass
- Designing, characterization, and thermal behavior of triazine-based dendrimers
- Processing and characterization of electrospun trans-polyisoprene nanofibers
- Effect of electric field on gas-assisted melt differential electrospinning with hollow disc electrode
- Physicochemical characteristics of poly(piperazine-amide) TFC nanofiltration membrane prepared at various reaction times and its relation to the performance
- Characterization and application of methylcellulose and potato starch blended films in controlled release of urea
- The interaction of sodium carboxymethylcellulose with gelatin in the absence and presence of NaCl, CaCl2 and glucose
Artikel in diesem Heft
- Frontmatter
- Review
- Oligomers with structural elements of imidazolidinetrione obtained from oxamic acid and oxamide: polyurethane foams modified by structural elements of imidazolidinetrione
- Original articles
- Group contribution modeling of viscosity during urethane reaction
- Peroxide vulcanization of natural rubber. Part II: effect of peroxides and co-agents
- Evaluation of long-term stability and degradation on polycarbonate based plastic glass
- Designing, characterization, and thermal behavior of triazine-based dendrimers
- Processing and characterization of electrospun trans-polyisoprene nanofibers
- Effect of electric field on gas-assisted melt differential electrospinning with hollow disc electrode
- Physicochemical characteristics of poly(piperazine-amide) TFC nanofiltration membrane prepared at various reaction times and its relation to the performance
- Characterization and application of methylcellulose and potato starch blended films in controlled release of urea
- The interaction of sodium carboxymethylcellulose with gelatin in the absence and presence of NaCl, CaCl2 and glucose
