Abstract
A study on the efficiency of a flavonoid compound as an antioxidant stabilizer for polypropylene (PP) is reported. Dihydromyricetin (DMY), a 2,3-dihydroflavonol compound, was extracted from Ampelopsis grossedentata. Its stabilizing activity was compared with that of a commercial phenolic antioxidant. Thermogravimetric analysis and oxidation onset temperature measurements performed on samples, as well as a α,α-diphenyl-β-picrylhydrazyl radical assay on DMY, provided evidence for the effectiveness of the DMY. Based on our results, it could be used as an efficient and high value-added additive for PP. DMY was less toxic and highly effective as a good, natural antioxidant for PP.
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This work was financially supported by the National Natural Science Foundation of China, NSFC, (51073174) and the Science and Technology Plan of Guangzhou Municipal Bureau of Science, Information and Technology.
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Xin, M., Ma, Y., Lin, W. et al. Use of dihydromyricetin as antioxidant for polypropylene stabilization. J Therm Anal Calorim 120, 1741–1747 (2015). https://doi.org/10.1007/s10973-015-4504-5
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DOI: https://doi.org/10.1007/s10973-015-4504-5