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CHEMISTRY AND CHEMICAL ENGINEERING

CHEMISTRY AND CHEMICAL ENGINEERING

Abstract

In the article the results of the modification of stiff polyurethane foam with hydroxyl containing ammonium oligomers have been presented. The influence of duration of synthesis and concentration of N-isobuthyliden-N-2-hydroxylethyl-N-N-2,3-epoxipropyl oligomer (IHEEPAC) on the formation parameters and physical-mechanical properties of stiff polyurethane foams has been shown. As a result of research, it has been determined that ammonium oligomers serve as soft catalyst, coupling agent and fire retardant and simplify the formulation of stiff polyurethane foam.

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