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首页> 外文期刊>Composites Science and Technology >Crystallinity, oxidation states and morphology of polyaniline coated curaua fibers in polyamide-6 composites
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Crystallinity, oxidation states and morphology of polyaniline coated curaua fibers in polyamide-6 composites

机译：聚酰胺6复合材料中聚苯胺包覆的姜纤维的结晶度，氧化态和形态。

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摘要

Polyaniline (PAni) is one of the most studied conductive polymers due to its ability to exist in various redox states. The possibility of depositing PAni on vegetable fibers and incorporating this in polymeric matrices, such as polyamide-6, enables production of antistatic reinforced materials. In this work, polyaniline was deposited on fiber surfaces on a pilot plant scale and the composites were prepared by extrusion. The microstructures of the polyaniline coated curaua fibers and polyamide-6 were characterized by X-ray diffraction (XRD) measurements and the crystallinity degree of the polyamide-6 was evaluated by differential scanning calorimetry and XRD. Atomic force and electron scanning microscopies were employed to observe the distribution and morphology of the PAni nanoparticles. The oxidation states of PAni were determined by X-ray photoelectron spectroscopy. The results showed that polyaniline supported on the fibers presents amorphous domains and nanometer scale sizes.
机译：聚苯胺（PAni）由于其以各种氧化还原状态存在的能力而成为研究最多的导电聚合物之一。将PAni沉积在植物纤维上并将其掺入聚合物基体（如聚酰胺6）中的可能性使抗静电增强材料的生产成为可能。在这项工作中，聚苯胺以中试规模沉积在纤维表面，并通过挤出制备复合材料。通过X射线衍射（XRD）测量来表征聚苯胺涂覆的姜黄纤维和聚酰胺-6的微观结构，并且通过差示扫描量热法和XRD评估聚酰胺-6的结晶度。原子力和电子扫描显微镜被用来观察PAni纳米粒子的分布和形态。通过X射线光电子能谱测定PAni的氧化态。结果表明，负载在纤维上的聚苯胺具有无定形域和纳米级尺寸。

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  • 来源
    《Composites Science and Technology》 |2013年第11期|106-112|共7页
  • 作者

    J.R. Araujo; C.B. Adamo; E. De Robertis; A. Yu. Kuznetsov; B.S. Archanjo; B. Fragneaud; C.A. Achete; M.-A. De Paoli;

  • 作者单位

    Instituto National de Metrologia, Qualidade e Tecnologia, Av. Nossa Senhora das Crafas, 50, 25250-020 Duque de Caxias, RJ, Brazil;

    Institute of Chemistry, University of Campinas-Unkamp, P.O. Box 6154, 13083-970 Campinas, SP, Brazil;

    Instituto National de Metrologia, Qualidade e Tecnologia, Av. Nossa Senhora das Crafas, 50, 25250-020 Duque de Caxias, RJ, Brazil;

    Instituto National de Metrologia, Qualidade e Tecnologia, Av. Nossa Senhora das Crafas, 50, 25250-020 Duque de Caxias, RJ, Brazil;

    Instituto National de Metrologia, Qualidade e Tecnologia, Av. Nossa Senhora das Crafas, 50, 25250-020 Duque de Caxias, RJ, Brazil;

    Instituto National de Metrologia, Qualidade e Tecnologia, Av. Nossa Senhora das Crafas, 50, 25250-020 Duque de Caxias, RJ, Brazil;

    Instituto National de Metrologia, Qualidade e Tecnologia, Av. Nossa Senhora das Crafas, 50, 25250-020 Duque de Caxias, RJ, Brazil;

    Institute of Chemistry, University of Campinas-Unkamp, P.O. Box 6154, 13083-970 Campinas, SP, Brazil;

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

    A.Coating; A.Short-fiber composites; B.Surface treatments; D.Photoelectron spectroscopy; E.Extrusion;

    机译：A.涂层;A.短纤维复合材料;B.表面处理;D.光电子能谱;E.挤压;

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