Pianki Poliuretanowe Z Pierścieniem 1,3,5-Triazynowym I Atomami Krzemu

Abstract

By mixing oligoetherols with 1,3,5-triazine rings and silicon atoms, polyol suitable for the preparation of rigid foam polyurethanes were obtained. The physical and utility properties of the obtained foam as well as bulk density, water absorption, dimensional stability, thermal conductivity, heat resistance and fire properties were examined. It has been found that it is characterized by improved mechanical strength, heat resistance and a reduced rate of smoking compared with conventional rigid polyurethane foams. During the prolonged heating of the foam at a temperature of 150-200°C its compressive strength increases. The foam subjected to exposure at 150°C and at 175°C during the month becomes self-extinguishing and non-flammable respectively

Comparing the Properties of Bio-Polyols Based on White Mustard (Sinapis alba) Oil Containing Boron and Sulfur Atoms Obtained by Various Methods and Checking Their Influence on the Flammability of Rigid Polyurethane/Polyisocyanurate Foams

“…The most common chemically incorporated flame-retardant elements include boron, sulfur, phosphorus, nitrogen, silicon, etc. [27,[32][33][34][35]. The system of heteroatoms presented in this article (boron and sulfur) incorporated into the structure of bio-polyols based on white mustard oil is one of the very effective combustion inhibitors.…”