Effect of the Addition of Lithium Carbonate on the Properties of Low Density Polyethylene.

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  • HOSHIMURA Yoshikazu
    Department of Electrical Engineering, College of Science and Technology, Nihon University
  • YAMAMOTO Shigeru
    Department of Electrical Engineering, College of Science and Technology, Nihon University

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Other Title
  • 炭酸リチウム添加によるポリエチレンの改質効果
  • タンサン リチウム テンカ ニ ヨル ポリエチレン ノ カイシツ コウカ

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Abstract

For improvement of the properties of polyethylene (PE), γ-ray was irradiated to the lithium carbonate added PE. An increase in the numbers of OH and C=C bonds was observed from FT-IR measurements. The melting temperature (or the vanishing temperature of crystallinity by X-ray diffraction) of the lithium carbonate added PE after γ-ray irradiation (106 Gy) was 20°C higher than that of the PE's with no additives and with quartz added PE. The lamellae of lithium carbonate added PE were not observed in the scanning electron micrographs. This vanishing of lamellae of the lithium carbonate added PE was also suggested by the extinction of the maltese cross with a polarizing microscope.

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 49 (4), 289-296, 1992

    The Society of Polymer Science, Japan

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