Effects of Transesterification on the Homogenization of PET/PEN/PET-PEN Copolymer Blends

DOI Web Site 31 References
  • IDA Shin-ichiro
    Department of Chemistry, Faculty of Science, Tokyo University of Science
  • YAMAMOTO Hiroko
    Department of Chemistry, Faculty of Science, Tokyo University of Science
  • TERUNUMA Mai
    Department of Chemistry, Faculty of Science, Tokyo University of Science
  • ITO Masayoshi
    Department of Chemistry, Faculty of Science, Tokyo University of Science

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Other Title
  • ＰＥＴ／ＰＥＮ／ＰＥＴ‐ＰＥＮコポリマーブレンドのエステル交換反応がブレンド相の均一化に与える影響
  • PET/PEN/PET-PENコポリマーブレンドのエステル交換反応がブレンド相の均一化に与える影響
  • PET PEN PET PEN コポリマー ブレンド ノ エステル コウカン ハンノウ ガ ブレンドソウ ノ キンイツカ ニ アタエル エイキョウ

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Description

The effects of transesterification on the homogenization of PET/PEN/PET-PEN copolymer blends were studied by DSC and 1H NMR spectroscopy. When the amount of transesterification in the PET/PEN/PET-PEN copolymer blends was minor, the blends were partially miscible with an upper critical solution temperature (UCST). When the amount of transesterification in the blends exceeded about 1 mol%, the blends changed into a single component. This suggests that the ternary PET/PEN/PET-PEN copolymer blends changed from multiple to single systems due to the development of chemical linkages between PET and PEN molecules.<br>

Journal

  • KOBUNSHI RONBUNSHU

    KOBUNSHI RONBUNSHU 66 (2), 55-60, 2009

    The Society of Polymer Science, Japan

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