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Recycling of waste tire rubber: Microwave devulcanization and incorporation in a thermoset resin

机译：废旧轮胎橡胶的回收：微波脱硫并结合到热固性树脂中

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摘要

This study focused on the possibility of recycling Waste Tire Rubber (WTR) to be used as polymer modifier. Thus, WTR was grinded into powder, at ambient temperature, with a disc mill PQ500 and microwave electromagnetic energy was used to devulcanize this powder with the final aim of producing a new composite by its incorporation in a thermoset resin. The influence of the treatment microwave energy on the devulcanization ratio was investigated. FTIR analysis revealed that rupture of Sulfur-Sulfur (S-S) and Carbon-Sulfur (C-S) bonds have occurred during the treatment. Swelling analysis showed that the microwave treatment can lead to a very significant degree of devulcanization. The Ground Tire Rubber (GTR) and the Devulcanized Ground Tire Rubber (DGTR) were then separately used to prepare epoxy based composites. It appeared that epoxy composites filled with DGTR have better mechanical properties than those filled with untreated GTR. This result agrees with scanning electron microscopy observations which highlighted a better interface coherence between DGTR and epoxy. A complementary analysis pointed out a linear relationship between the rubber modulus and the number of crosslink per chain.
机译：这项研究集中于回收废旧轮胎橡胶（WTR）用作聚合物改性剂的可能性。因此，在室温下用圆磨机PQ500将WTR研磨成粉末，并利用微波电磁能对该粉末进行脱硫，最终目的是通过将其掺入热固性树脂中来生产新的复合材料。研究了处理微波能量对脱硫率的影响。 FTIR分析显示，在处理过程中发生了硫-硫（S-S）和碳-硫（C-S）键的断裂。溶胀分析表明，微波处理可导致非常显着的脱硫程度。然后分别使用地面轮胎橡胶（GTR）和脱硫的地面轮胎橡胶（DGTR）制备环氧基复合材料。似乎填充了DGTR的环氧复合材料比填充未处理的GTR的环氧复合材料具有更好的机械性能。该结果与扫描电子显微镜观察结果一致，该扫描电子显微镜观察结果突出显示了DGTR和环氧树脂之间更好的界面相干性。补充分析指出，橡胶模量与每条链的交联数之间存在线性关系。

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  • 来源
    《Waste Management》 |2017年第2期|471-481|共11页
  • 作者

    Karima Aoudia; Saied Azem; Nourredine Aiet Hocine; Michel Gratton; Valeria Pettarin; Saied Seghar;

  • 作者单位

    LEC2M, Universite Mouloud Mammeri de Tizi-Ouzou, B.P. 17, Hasnaoua, 15000 Tizi-Ouzou, Algeria;

    LEC2M, Universite Mouloud Mammeri de Tizi-Ouzou, B.P. 17, Hasnaoua, 15000 Tizi-Ouzou, Algeria;

    LMR, INSA Centre Val de Loire, 3 rue de la Chocolaterie, BP 3410, 41034 Blois Cedex, France;

    LMR, INSA Centre Val de Loire, 3 rue de la Chocolaterie, BP 3410, 41034 Blois Cedex, France;

    INTEMA, CONICET, University of Mar del Plata, Av. Juan B. Justo 4302, B7608FDQ Mar del Plata, Argentina;

    PHENIX TECHNOLGIES, 29 Rue de Champfroid, 28800 Sanchevilte, France;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Waste tire rubber; Recycling; Devulcanization; Microwave; Epoxy; Composite;

    机译：废旧轮胎橡胶;回收;脱硫微波;环氧;综合;

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