NASA NTRS · 19720000269
Fire retardant polyisocyanurate foam
Abstract
Fire retardant properties of low density polymer foam are increased. Foam has pendant nitrile groups which form thermally-stable heterocyclic structures at temperature below degradation temperature of urethane linkages.
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Riccitiello, S. R., Parker, J. A.. 1972-01-01. Fire retardant polyisocyanurate foam. https://ntrs.nasa.gov/citations/19720000269
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