Rosin‐modified polyesteramide resins are prepared covering a wide range of oil lengths by partial replacement of hydroxy ethyl fatty acid amides employed in resin formulations by rosin‐diethanolamine derivative without affecting the resin constants. This is followed by a study of the optimum amount of modifier which improve the resins performance and durability without affecting the other properties. Optimum modifier concentration and durability characteristics are then determined.
Moustafa, M., Sabbah, I.A., Darwish, S.I. and Abd El‐Hai, F. (1991), "Recent aspects on modification of some polyesteramides for surface coatings: Part II: Rosin — modified Polyesteramide Compositions", Pigment & Resin Technology, Vol. 20 No. 1, pp. 4-9. https://doi.org/10.1108/eb042800
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