Laughner, M. K., J. M. Gross , and D. W. Baugh, Jr., " New Polyol Development in Rigid Hybrid Polyurethane/Polyisocyanurate Foam Systems," SPI 27th Annual Urethane Technical Conference (October 20-22, 1982).
2.
Frisch, K. C., K. J. Patel, and R. P. Marsh, "Isocyanurate-Urethane Foams," Journal of Cellular Plastics, 5, 203 (1970).
3.
Reymore, H. E., R. J. Lockwood, and H. Ulrich, "Novel Isocyanurate Foams Containing No Flame Retardant Additives ," Journal of Cellular Plastics, 6, 332 (1978).
4.
Moss, E. K. and D. L. Skinner, "Modified Isocyanurate Foams-Part II," Journal of Cellular Plastics, 4, 276 (1977).
5.
Wood, R. J., "The Use of Unique Aromatic Polyester Polyol in Urethane Modified Isocyanurate Foam Systems," SPI 28th Annual Urethane Technical Conference (November 2-4, 1983).
