Abstract
Dimer acid was hydroxyethylated at 110–240C in the presence of alkaline catalysts. Products having ethylene oxide: dimer acid mole ratios of 0.8 to 1.4 were transformed into flexible urethane foams of density 2.0 to 4.4 lb/ft3. Hydrogenated “aldehyde oil” gave a rigid foam which had a density of 1.2 lb/ft3.
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References
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A laboratory of the Northern Utilization Research and Development Division, Agricultural Research Service, USDA.
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Thierfelder, C.M., Teeter, H.M. & Cowan, J.C. Preparation of foams from vegetable oil derivatives. J Am Oil Chem Soc 39, 215–217 (1962). https://doi.org/10.1007/BF02635823
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DOI: https://doi.org/10.1007/BF02635823