Rigid Polyurethane Foam Based on Modified Soybean Oil
作者： Dong Ji , Zheng Fang , Zhi Dong Wan , Hai Chao Chen , Wei He
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMR.724-725.1681
关键词: Epoxidized soybean oil 、 Transesterification 、 Polyol 、 Litharge 、 Hydroxyl value 、 Organic chemistry 、 Chemical engineering 、 Polyurethane 、 Materials science 、 Soybean oil 、 Compressive strength
摘要: Two bio-based polyols (Polyol-r and Polyol-t) were synthesized from commercially available epoxidized soybean oil (ESBO). Polyol-r was obtained ring opening of ESBO in the presence fluoboric acid, while Polyol-t a transesterification with glycerol through litharge catalyst. A rigid polyurethane foam prepared by mixed (Polyol-t commercial 635 polyether polyol) 4,4'-methylene-bis (phenyl isocyanate). The hydroxyl value higher than that Polyol-r, which also backed up Fourier transform infrared spectrometry. Scanning electron microscope examination revealed has closed cells. test performances shows it possesses an excellent dimension stability compressive strength.
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