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Oxidized starch films reinforced with natural halloysite

机译：天然埃洛石增强的氧化淀粉膜

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摘要

Oxidized starch (OSt) films reinforced with natural halloysite were prepared by adding modified natural halloysite nanotubes into an OSt matrix. The halloysite/OSt films were characterized by x-ray diffraction, scanning electron microscopy, and ultraviolet spectrometry. The mechanical properties and moisture absorbability of the films were also studied. The modified halloysite nanotubes were well distributed in the starch matrix, and the tensile strength (TS) of the films was greatly enhanced, but the moisture adsorption ability of the films only changed slightly. The flexibility of the films was improved by adding glycerol but at a cost of reducing the TS. Incorporating a small amount of poly(vinyl alcohol) (PVA) improved both the TS and the percent elongation at break of the halloysite/OSt films.
机译：通过将改性的天然埃洛石纳米管添加到OSt基质中，制备了用天然埃洛石增强的氧化淀粉（OSt）膜。通过X射线衍射，扫描电子显微镜和紫外光谱对埃洛石/ OSt膜进行表征。还研究了薄膜的机械性能和吸湿性。改性的埃洛石纳米管在淀粉基体中分布均匀，薄膜的抗张强度（TS）大大提高，但薄膜的吸湿能力只有很小的变化。通过添加甘油改善了膜的柔韧性，但是以降低TS为代价。掺入少量聚乙烯醇（PVA）可以改善埃洛石/ OSt膜的TS和断裂伸长率。

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  • 来源
    《Journal of Materials Research》 |2011年第23期|p.2938-2944|共7页
  • 作者

    Weina Kong; Wenchao Wang; Jianping Gao; Tianlin Liu; Yu Liu;

  • 作者单位

    Department of Science, Tianjin University, Tianjin 300072, People's Republic of China;

    Department of Science, Tianjin University, Tianjin 300072, People's Republic of China;

    Department of Science, Tianjin University, Tianjin 300072, People's Republic of China;

    Department of Science, Tianjin University, Tianjin 300072, People's Republic of China;

    Department of Science, Tianjin University, Tianjin 300072, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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