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《Journal of Hubei University(Natural Science)》 2018-01
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Preparation and applied research of soybean oil-based polyurethane acrylate

ZHAO Mengting;DING Zhaoyang;YANG Shifang;WANG Niangui;College of Chemistry and Chemical Engineering,Hubei University;  
Epoxidized soybean oil( ESO) with different epoxy value were prepared by performic acid oxidation with soybean oil,and then soybean oil-based polyols( ESOP) with different hydroxyl groups were obtained by ring-opening of epoxidized soybean oil with acetic acid, at leat, the polyols were reacted respectively with hydroxyethyl acrylate mono-terminated isophorone diisocyanate to obtain soybean oil-based UV resin with different functionality. The structures of the products were characterized by ~1H NMR and FT-IR.Finally,a series of UV curing films were prepared by UV irradiation. The mechanical,physical properties and thermal stability of the UV curing films were tested by scanning electron microscope( SEM),stress-strain testing,gel content,water absorption,pencil hardness and thermogravimetric( TG) analysis. The results showed that the gel content,pencil hardness,tensile strength and elastic modulus of UV curing films increased gradually with the increase of the functionality of UV resin,but the water absorption rate decreased,the thermal stability changed unclearly.
【CateGory Index】: TQ320.6
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