<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Oligoetherols based on pyrimidine ring were obtained upon reaction of barbituric acid with glycidol and alkylene carbonates. These oligoetherols were then used to obtain polyurethane foams in the reaction of oligoetherols with isocyanates and water. The protocol of foam synthesis was optimized by the choice of proper kind of oligoetherol and synthetic composition. The thermal resistance was studied by dynamic and static methods with concomitant monitoring of compressive strength. The polyurethane foams have similar physical properties as the classic ones except their enhanced thermal resistance. They stand long-time heating even at 200°C. Moreover thermal exposition of foams results generally in increase of their compressive strength.</p></abstract>

Oligoetherols based on pyrimidine ring were obtained upon reaction of barbituric acid with glycidol and alkylene carbonates. These oligoetherols were then used to obtain polyurethane foams in the reaction of oligoetherols with isocyanates and water. The protocol of foam synthesis was optimized by the choice of proper kind of oligoetherol and synthetic composition. The thermal resistance was studied by dynamic and static methods with concomitant monitoring of compressive strength. The polyurethane foams have similar physical properties as the classic ones except their enhanced thermal resistance. They stand long-time heating even at 200°C. Moreover thermal exposition of foams results generally in increase of their compressive strength.

Polyurethane Foams with Pyrimidine Rings

Rzeszów University of Technology, Department of Organic Chemistry, al. Powstańców Warszawy 6, 35-959 Rzeszów, Poland

Polish Journal of Chemical Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Polyurethane Foams with Pyrimidine Rings"}

Oligoetherols based on pyrimidine ring were obtained upon reaction of barbituric acid with glycidol and alkylene carbonates. These oligoetherols were then used...

Polyurethane Foams with Pyrimidine Rings

Pubblicato online: 03 ott 2014

Pagine: 1 - 6

DOI: https://doi.org/10.2478/pjct-2014-0041

Parole chiave
barbituric acid, glycidol, alkylene carbonates, oligoetherols, polyurethane foams, thermal stability

© by Jacek Lubczak

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Polyurethane Foams with Pyrimidine Rings

Pubblicato online: 03 ott 2014

Pagine: 1 - 6

DOI: https://doi.org/10.2478/pjct-2014-0041

Parole chiavebarbituric acid, glycidol, alkylene carbonates, oligoetherols, polyurethane foams, thermal stability

© by Jacek Lubczak

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Parole chiave
barbituric acid, glycidol, alkylene carbonates, oligoetherols, polyurethane foams, thermal stability