Abstract
ABSTRACT The unsaturated modified linoleate based on linoleic acid (LA) was synthesized by a three-step reaction. The linoleic acid was first reacted with glycidyl methacrylate (GMA), then the resulting product was reacted with maleic anhydride (MA) to prepare branched methacrylated linoleic acid, and the unsaturated modified linoleate was prepared via the esterification reaction of as-prepared branched methacrylated linoleic acid and GMA. The chemical structure of as-prepared unsaturated modified linoleate was characterized by Fourier transform infrared analysis (FTIR) and 1 H nuclear magnetic resonance (1H NMR). The effect of different photo-initiators on cure rates was studied. The unsaturated modified linoleate can fast cure within 2 s under Ultraviolet (UV) radiation in presence of photo-initiator of Irgacure 907. The cured coatings exhibit good water resistance, excellent adhesion, and flexibility.
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