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Modification of PUR-PIR foams by boroorganic compound prepared on the basis of di(hydroxymethyl)urea

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Abstract

The method for preparation of boroorganic compound with application of N,N′-di(methyleneoxy-3-hydroxypropyl)urea and boric acid has been described. Then, the borate prepared was characterized mainly in the terms of its usability as a polyol component and fire retardant for production of the rigid polyurethane-polyisocyanurate foams. Method of preparation, the determination of foaming parameters, physicomechanical and fire properties of PUR-PIR foams as well as the results of tests have been presented. The recipe for foam preparation was modified by application of physical and chemical method of foaming. On the basis of the results, it was found that application of the new compound in recipe for production of foams is very favourable. The rigid foams obtained are characterized by lower brittleness, higher compressive strength, lower thermal conductivity and considerably lower flammability in comparison with a standard foam.

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Authors and Affiliations

  1. Chair of Chemistry and Technology of Polyurethanes, Casmir the Great University in Bydgoszcz, Chodkiewicza str. 30, 85-064, Bydgoszcz, Poland

    Joanna Paciorek-Sadowska

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  1. Joanna Paciorek-Sadowska
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Correspondence to Joanna Paciorek-Sadowska.

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Paciorek-Sadowska, J. Modification of PUR-PIR foams by boroorganic compound prepared on the basis of di(hydroxymethyl)urea. J Porous Mater 19, 161–171 (2012). https://doi.org/10.1007/s10934-011-9456-y

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