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Rigid urethane foams from hydroxymethylated linseed oil and polyol esters

  • Technical
  • Published:
Journal of the American Oil Chemists Society

Abstract

Rigid urethane foams were prepared from hydroxymethylated linseed oil and its esters of glycerol, trimethylolpropane and pentaerythritol. These polyols were made by selective hydroformylation with a rhodium-triphenylphosphine catalyst followed by catalytic hydrogenation with Raney nickel. Although the hydroxymethylated linseed monoglyceride by itself yielded a satisfactory foam, better foams were made from all hydroxymethylated linseed derivatives when blended with a low-molecular weight commercial polyol. Linseed-derived foams were compared with foams from equivalent formulations of hydroxymethylated monoolein and castor oil. Hydroxymethylated products yielded polyurethane foams meeting the requirements of commercial products with respect to density, compressive strength and dimensional stability.

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Author information

Authors and Affiliations

  1. Northern Regional Research Laboratory, 61604, Peoria, Illinois

    T. H. Khoe, F. H. Otey & E. N. Frankel

Authors
  1. T. H. Khoe
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  2. F. H. Otey
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  3. E. N. Frankel
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Additional information

National Flaxseed Processors Association Fellow.

N. Market. Nutr. Res. Div., ARS, USDA.

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Khoe, T.H., Otey, F.H. & Frankel, E.N. Rigid urethane foams from hydroxymethylated linseed oil and polyol esters. J Am Oil Chem Soc 49, 615–618 (1972). https://doi.org/10.1007/BF02609373

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  • DOI: https://doi.org/10.1007/BF02609373

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