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A. Ślączka, J. Lubczak

Polyurethane foams with pyrimidine rings in polymer molecules (in English)

Polimery 2010, No 9, 681


DOI: dx.doi.org/10.14314/polimery.2010.681


Summary

New polyurethane foams were obtained by reaction of oligoetherols synthesized from hydroxymethyl derivative of barbituric acid (HMBA) and propylene oxide (PO) with methylenediphenyl 4,4'-diisocyanate (MDI) and water. Thermal stability of the polyurethane foams containing pyrimidine rings in polymer molecules were investigated. They are stable at 150—200 °C for long time. The influence of oligoetherol chain length and composition on properties of foams were studied in details. The studies of mechanical properties before and after thermal exposition were studied in order to optimize the compositions of polyurethane foams to ensure good thermal stability.


Key words: oligoetherols with pyrimidine ring, polyurethane foam, thermal stability.


e-mail: jml@prz.rzeszow.pl


A. Ślączka, J. Lubczak

Polyurethane foams with pyrimidine rings in polymer molecules (in English)