The effect of the reaction product of N,N'-di(methyleneoxy-2-hydroxyethyl) urea with epichlorohydrin on the properties of rigid polyurethane-polyisocyanurate foams
The effect of the product of the addition reaction of N,N-di(methyleneoxy-2-hydroxyethyl) urea. and epichlorohydrin on the oxygen index, mechanical properties, softening temperature and thermal resistance of rigid polyurethane-polyisocyanurate foams prepared from Izocyn TSA-1 and Systanat MR has been investigated. It has been found that the addition of this oligodiol improves fire resistance and reduces brittleness, increases compression strength and softening temperature of foams prepared from Systanat MR.
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