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    題名: Investigation of the Oxygen Depletion Properties of Ethylene Vinyl Acetate Resins Filled with Novel Oxygen Scavengers
    作者: Yeh, Jen-taut;Cuili, Li;Tsai, Fang-chang;Jiang, Tao;Chen, Kan-nan
    貢獻者: 淡江大學化學學系
    關鍵詞: Chemical modification;Ethylene;Polymer blends;Scavenging;Tensile properties;Ascorbic acid;Depletion properties;Ethylene vinyl acetate resins;Scavenger compounds;Vinyl resins
    日期: 2007-07
    上傳時間: 2013-06-13 11:24:14 (UTC+8)
    出版者: Berlin: Walter de Gruyter GmbH & Co. KG
    摘要: The tensile and oxygen depletion properties of EVA resins blended with varying compositions of iron (Fe), modified iron (MFe) and/or ascorbic acid (Vc) oxygen scavengers were systematically investigated. Oxygen depletion experiments clearly suggest that the oxygen depletion rates of modified iron powders filled EMFe series samples are much faster than those of EFe and EFe series samples filled with the same weight loadings of ascorbic acid and pure iron powders, respectively. After blending Vc together with MFe oxygen scavenger compounds in the EVA resins, a "synergistic" effect on the oxygen depletion properties of the EVcMFe samples was observed when the weight ratios of Vc to MFe oxygen scavengers are between 3/7 to 5/5. Further tensile experiments show that, EFe and E MFe series samples always exhibit significantly higher σf and εf values than EVc series samples filled with the same oxygen scavenger contents. In fact, the σf and εf values of the EVcMFe series samples increase significantly as their Vc loadings present in oxygen scavenger compounds reduce. In order to understand these interesting oxygen depletion and tensile properties of EVc, EFe, E MFe and EVcMFe series samples, SEM and EDX analysis of the compositions on the surfaces of EVcMFe series samples were performed. Possible mechanisms accounting for these interesting oxygen depletion and tensile properties of EVc, EFe, EMFe and EVcMFe series samples are proposed.
    關聯: Journal of Polymer Engineering 27(4), pp.245-265
    DOI: 10.1515/POLYENG.2007.27.4.245
    顯示於類別:[化學工程與材料工程學系暨研究所] 期刊論文

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