Abstract
A variety of polyesters, polyurethanes, and sulfonyl-polyurethanes containing eleostearic acid (ESA) have been prepared and evaluated. The film parameters under investigation usually included water absorption, tensile strength, elongation, density, permeability, and percentage of oxygen uptake.
The incorporation of ESA into polyester resin compositions results in such film properties as decreased water absorption, oxygen uptake, elongation, and permeability with a concemitant increase in tensile strength and density. Oxidativepolymerization of the polyesters containing ESA affords advantages in that their films show good tensile strength. Elongation is quite superior to that of the non-oxidatively polymerized ESA polyesters.
As a result of the advantages gained by the incorporation of ESA into polyester resins, its use (or tung oil) is recommended in these and similar resin systems.
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Long, J.S., Thames, S.F. & Smith, O.W. A study of eleostearic acid-containing resins. J Am Oil Chem Soc 45, 289–292 (1968). https://doi.org/10.1007/BF02652429
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DOI: https://doi.org/10.1007/BF02652429