Hydroxyl-containing ammonium oligomers containing a furan heterocycle were synthesized. Their use as modifiers of properties of rigid polyurethane foams makes it possible to improve technological parameters of molding and physical and mechanical properties of urethane foams. The quaternary ammonium compounds used were found to act as "soft" catalysts, cross-linking agents and flame retardants.
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Adilov et al. (2024) studied this question.
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