Study of the performance of polyurethane coatings derived from cottonseed oil polyol

Cottonseed oil (CSO) was converted into a polymerizable polyol by in-situ epoxidation and hydroxylation in the presence of water as nucleophile and sulfuric acid as catalyst. This hydroxylated CSO (HCSO) was polymerized with isophorone diisocyanate at different NCO-to-OH ratios to furnish polyuretha...

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Veröffentlicht in:	Journal of Coatings Technology and Research 2016-01, Vol.13 (1), p.171-179
Hauptverfasser:	Narute, Prashant, Palanisamy, Aruna
Format:	Artikel
Sprache:	eng
Schlagworte:	Analysis Chemical properties Chemistry and Materials Science Coatings Corrosion and Coatings Hydroxylation Industrial Chemistry/Chemical Engineering Isocyanates Materials Science Polymer Sciences Polyols Surfaces and Interfaces Thin Films Tribology
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Beschreibung
Zusammenfassung:	Cottonseed oil (CSO) was converted into a polymerizable polyol by in-situ epoxidation and hydroxylation in the presence of water as nucleophile and sulfuric acid as catalyst. This hydroxylated CSO (HCSO) was polymerized with isophorone diisocyanate at different NCO-to-OH ratios to furnish polyurethane coatings of different composition. The mechanical properties of the resulting moisture-cured films were studied. The adhesion, abrasion resistance, impact strength, flexibility, water vapor permeability, and chemical and/or solvent and corrosion resistance of the coatings were investigated.
ISSN:	1547-0091 1945-9645 1935-3804
DOI:	10.1007/s11998-015-9741-9