Fast physical drying, high water and salt resistant coatings from non-drying vegetable oil

This paper reports fast physical drying, high water and salt resistances of coating materials from non-drying palm oleic acid. Short oil-length alkyd was synthesized and copolymerized with methyl methacrylate. Three copolymers of the alkyd and methyl methacrylate with different alkyd/MMA ratios were prepared via free radical polymerization. The copolymers were characterized by FTIR and H NMR spectroscopy, and glass transition temperatures (Tg) were measured by DSC. The decreasing amount of alkyd was noticed to increasing conversion and Tg. The overall thermal stability has increased with higher amount of alkyd in the copolymer. Moreover, incorporation of alkyd has improved the adhesion and film hardness of the coatings.

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► Copolymerization of alkyd with MMA was carried out.
► With increasing alkyd content polymerization rate decreased.
► FTIR and H NMR have provided evidence on the formation of copolymers.
► The thermal stability of copolymers increased with higher amounts of alkyd.
► The coatings obtained have fast physical drying, high water and salt resistances.