ポリエチレンテレフタレートの結晶化が及ぼす機械的物性の変化 Changes in Mechanical Properties of Polyethylene Telephthalate with Crystallization

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The effect of the processes of crystallization, which are the annealing from the solid state and the slow cooling from the molten state, on the mechanical properties and morphology of the PET (polyethylene telephthalate) resin was examined. It was found that the increase of crystallinity due to the annealing takes place at 120°C and the crystallization due to the slow cooling takes place at 220°C. <i>T<sub>g</sub></i> and Young's modules were increased when the crystallinity of PET was increased with crystallization by the annealing or the cooling, however, there were no discrepancies of the thermal and mechanical properties. These results suggest that the improvement of the thermal and mechanical properties can be achieved by the adjustment of annealing or cooling process of the mold on the injection molding.

収録刊行物

  • 成形加工  

    成形加工 18(12), 890-894, 2006-12-20 

    The Japan Society of Polymer Processing

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各種コード

  • NII論文ID(NAID)
    10018695504
  • NII書誌ID(NCID)
    AN10278882
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09154027
  • NDL 記事登録ID
    8624039
  • NDL 雑誌分類
    ZP17(科学技術--化学・化学工業--高分子化学・高分子化学工業--ゴム・プラスチックス)
  • NDL 請求記号
    Z17-1254
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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