反応・溶媒除去を伴うポリイミドフィルムのテンター内加熱時のボーイング現象の予測 Prediction of Bowing Phenomenon for Polyimide Film Accompanying Reactions and Removal of Solvents During Film Heating with Tenter

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n this report, the bowing behavior and the state of stress in PI film during tenter heating process were predicted by a finite element method (FEM). In the FEM analysis, the authors focused especially on the first zone of tenter heating where the shrinking stress and changes in film hardness arise resulting from removal of residual solvents and chemical reaction (imidation). The analysis was carried out under the assumption that the PI film in the tenter heating was linear-elastic. From the orientation measurements of PI film, which underwent the heating at the tenter 1st zone, the angle of orientation axis at the film edges tilted approximately 45 degrees from the machine direction (MD) and became level with the transverse direction (TD) at film center. These results comparatively agreed with the direction of the maximum principal stress calculated by FEM. Moreover the FEM results revealed reverse bowing around the entrance of tenter.

In this report, the bowing behavior and the state of stress in PI film during tenter heating process were predicted by a finite element method (FEM). In the FEM analysis, the authors focused especially on the first zone of tenter heating where the shrinking stress and changes in film hardness arise resulting from removal of residual solvents and chemical reaction (imidation). The analysis was carried out under the assumption that the PI film in the tenter heating was linear-elastic. From the orientation measurements of PI film, which underwent the heating at the tenter 1st zone, the angle of orientation axis at the film edges tilted approximately 45 degrees from the machine direction (MD) and became level with the transverse direction (TD) at film center. These results comparatively agreed with the direction of the maximum principal stress calculated by FEM. Moreover the FEM results revealed reverse bowing around the entrance of tenter.

収録刊行物

  • 成形加工  

    成形加工 18(12), 883-889, 2006-12-20 

    The Japan Society of Polymer Processing = プラスチック成形加工学会

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各種コード

  • NII論文ID(NAID)
    10018695490
  • 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
    8624025
  • 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  IR  J-STAGE 
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