Abstract
Air-dried water-dispersed polyurethane resins were produced from poly(propylene-ethylene) copolymer triol, monoglyceride, toluene diisocyanate, and tartaric acid. Monoglyceride and poly(propylene-ethylene) copolymer triol were employed at different ratios, with the monoglyceride ranging between 50–70% of the total polyol used, and the isocyanate/hydroxyl ratio was kept at 1.82. Some surfaces showed heavy wrinkling when the monoglyceride was below 54.5% and above 60%, yet clear and unwrinkled surfaces occurred when the monoglyceride fell between 54.5–60%. The hardness values increased as the percentage of monoglyceride increased. Hardness, impact, adhesion, bending, and abrasion tests were applied and the samples passed each test. All exhibited very good flexibility and toughness.
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Polimer Bilimive Teknolojisi Anabilim Dali, Orta Dogu Teknik Üniversitesi, Ankara, 06531, Turkey, email: ggunduz@metu.edu.tr.
Kimya Mühendisligi Bölümü.
Kimya Bölümü.
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Gündüz, G., Idlibi, Y. & Akovali, G. Oil modified and waterborne polyurethane resin. Journal of Coatings Technology 74, 59–62 (2002). https://doi.org/10.1007/BF02697968
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DOI: https://doi.org/10.1007/BF02697968