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Urethane coatings based on aldehyde oils

  • Technical
  • Symposium: Drying Oils And Paint
  • Published:
Journal of the American Oil Chemists’ Society

Abstract

A series of polyol acetals of aldehyde oils was prepared by an acetal interchange reaction between dimethyl and tetramethyl acetals of aldehyde oils derived by the reductive ozonolysis of linseed and soybean oils. The acetals interchanged with pentaerythritol, trimethylol propane and glycerol contained the equivalent of .93 and 1.88 aldehyde groups per oil molecule. The polyol acetals were reacted with toluene diisocyanate in an NCO/OH of 2. These products were tested as film formers. Curing was by two reactions, namely oxidation polymerization of the residual unsaturation in the oil and moisture curing of the unreacted isocyanate group. Good quality films were formed.

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Author information

Author notes

  1. P. R. Lakshmanan

    Present address: Gulf Research and Development Company, 66202, Merriam, Kansas

Authors and Affiliations

  1. Coatings Department, North Dakota State University, 58102, Fargo, North Dakota

    A. E. Rheineck & P. R. Lakshmanan

Authors
  1. A. E. Rheineck
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  2. P. R. Lakshmanan
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Rheineck, A.E., Lakshmanan, P.R. Urethane coatings based on aldehyde oils. J Am Oil Chem Soc 46, 452–454 (1969). https://doi.org/10.1007/BF02544365

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  • DOI: https://doi.org/10.1007/BF02544365

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