References
- 1. Frisch, K., Tummers, D. & Nijehuis, A. (1980). U.S. Patent No. 4198,505.
- 2. Śnieżek, T., Andrysiak, E., Montewski, W., Gniadowski, H. & Wojciechowski, J. (1973). PL Patent No. 69,168.
- 3. Kijowska, D. & Kucharski, M. (2004). Polyetherols from melamine and alkylene carbonates. Properties and application of foamed polyurethanes. J. Appl. Polym. Sci. 94, 2302-2308. http://dx.doi.org/10.1002/app.21165
- 4. Lubczak, J. (2007). Polyurethane foams with purine rings. Polimery 52(7-8), 595-600.
- 5. Lubczak, R. (2010). Linear Oligoetherols and Polyurethanes with Carbazole Ring. J. Appl. Polym. Sci. 117, 16-23. http://dx.doi.org/10.1002/app.31088
- 6. Lubczak, R. (2012). Trifuntional oligoetherols and polyurethane foams with carbazole ring. Open J. Organic Polym. Mat. 2, 1-6. http://dx.doi.org/10.4236/ojopm.2012.21001
- 7. Lubczak, R. (2012). Oligoetherols and polyurethane foams with carbazole ring, e-Poly-mers 070, 1-3.
- 8. Lubczak, J. (2003). Hydroxyalkylation of nitrogen-containing heterocyclic compounds. Curr. Tren. Polym. Sci. 8, 73-105. http://dx.doi.org/10.1002/chin.200601254.
- 9. Lubczak, J. & Mendyk, E. (2008). Stable enol form of barbituric acid. Heterocycl. Comm. 14(3), 149-154. http://dx.doi.org/10.1515/HC.2008.14.3.149
- 10. Kania, E. & Lubczak, J. Oligoetherols with pyrimidine ring, Polymers (in press).
- 11. Kosterna, J. & Lubczak, J. (2009). Acrylic monomers and polymers with pyrimidine ring. Polimery 54(7-8), 581-584.
- 12. Ślączka, A. & Lubczak, J. (2008). Urethane oligomers with pyrimidine rings. Polimery 53(10), 760-763.
- 13. Ślączka, A. & Lubczak, J. (2007). Hydroxyalkylation of barbituric acid. Part II. Synthesis of polyetherols with pyrimidine ring. J. Appl. Polym. Sci. 106, 4067-4074.
- 14. Chmiel-Szukiewicz, E. (2007). Polyetherols obtained from 6-aminouracil and oxiranes. J. Appl. Polym. Sci. 103, 1466-1472. http://dx.doi.org/10.1002/app.25100
- 15. Chmiel-Szukiewicz, E. (2008). Polyurethane foams with 1,3-pyrimidine ring. J. Appl. Polym. Sci. 109, 1708-1713. http://dx.doi.org/10.1002/app.27159
- 16. Kijowska, D. (2005). Alkylene carbonates with penta- -membered ring - obtaining, properties and application., Przem. Chem., 84, 678-683.
- 17. Brojer, Z., Hertz, Z. & Penczek, P. (1972). Epoxy Resins. WNT, Poland.
- 18. Kijowska, D., Wołowiec, S. & Lubczak, J. (2004). Kinetics and mechanism of initial steps of synthesis of polyetherols from melamine and ethylene carbonate. J. Appl. Polym Sci. 93, 294-300. http://dx.doi.org/10.1002/app.20453
- 19. Czupryński, B. (2004). Problems on chemistry and technology of polyurethanes. Ed. Wydawnictwo Akademii Bydgoskiej, Poland.
- 20. Polish Committee for Standardization (2000). Cellular Plastics and Rubbers. Determination of apparent (bulk) Density. Polish (European) Standards PN-EN ISO 845-2000.
- 21. Polish Committee for Standardization. Cellular Plastics, rigid. Determination of Water Absorption. Polish (European) Standards PN-EN ISO 2896-1986.
- 22. Polish Committee for Standardization. Cellular Plastics, rigid. Test of dimensional Stability. Polish (European) Standards PN- EN ISO 2796-1986.
- 23. Polish Committee for Standardization.Cellular Plastics, Compression Test for rigid Materials. Polish (European) Standards PN- EN ISO 844-1978.