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首页> 外文期刊>International journal of structural integrity >Influence of lignin modification on the mechanical properties of lignin/PEO blends
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Influence of lignin modification on the mechanical properties of lignin/PEO blends

机译：木质素改性对木质素/ PEO共混物力学性能的影响

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摘要

Purpose - The purpose of this paper is to focus on the investigation of mechanical and thermal properties of lignin/poly (ethylene oxide) (PEO) blends, intended to be used as carbon fiber precursor. Design/methodology/approach - Softwood kraft lignin was modified via esterification using phthalic anhydride and then blended with PEO. The final lignin/PEO ratios blends were (w/w) 20/80, 50/50 and 80/20 for both unmodified and modified lignin. The structural, thermal and mechanical properties of the blends were investigated by Fourier transform infrared, differential scanning calorimetry and tensile tests, respectively. Findings - The results revealed that modified lignin/PEO blend (20/80) exhibited enhanced elongation. Originality/value - The structural analysis as well as thermal and mechanical properties of the produced blends are clearly demonstrated.
机译：目的-本文的目的是着重研究木质素/聚环氧乙烷（PEO）共混物的机械和热学性能，旨在用作碳纤维前体。设计/方法/方法-软木牛皮纸硫酸盐木质素通过使用邻苯二甲酸酐的酯化反应进行改性，然后与PEO混合。对于未改性的和改性的木质素，最终的木质素/ PEO比率混合物为（w / w）20 / 80、50 / 50和80/20。分别通过傅立叶变换红外光谱，差示扫描量热法和拉伸试验研究了共混物的结构，热和机械性能。结果-结果表明，改性木质素/ PEO共混物（20/80）表现出增强的伸长率。原创性/价值-清楚地证明了所生产混合物的结构分析以及热和机械性能。

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  • 来源
    《International journal of structural integrity》 |2016年第6期|762-772|共11页
  • 作者

    Stavros C. Anagnou; Eleni G. Milioni; Costas S. Mpalias; Ioannis A. Kartsonakis; Elias P. Koumoulos; Costas A. Charitidis;

  • 作者单位

    RNanolab, School of Chemical Engineering, National Technical University of Athens, Athens, Greece;

    RNanolab, School of Chemical Engineering, National Technical University of Athens, Athens, Greece;

    RNanolab, School of Chemical Engineering, National Technical University of Athens, Athens, Greece;

    RNanolab, School of Chemical Engineering, National Technical University of Athens, Athens, Greece;

    RNanolab, School of Chemical Engineering, National Technical University of Athens, Athens, Greece;

    RNanolab, School of Chemical Engineering, National Technical University of Athens, Athens, Greece;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Lignin; Carbon fiber; Blending;

    机译：木质素碳纤维;调和;

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