The Effect of Molecular Weight of Polycaprolactone on the Ester Interchange Reactions during Melt Blending with Poly (ethylene terephthalate)

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The molecular weight (MW) of polycaprolactone (PCL) component had a profound effect on the ester interchange reactions during melt blending with poly(ethylene terephthalate) (PET). Utilization of lower MW of PCL component gave rise to higher degree of ester interchange reactions, and it could reduce mixing time required for generating a copolyester. The thermal properties and crystalline structure of resultant copolyesters were depended on the degree of ester interchange reactions by varying MW of PCL. It converted the morphology of copolyesters to a continuous single phase, suggesting formation of more random copolyester. Further, the substitution of PCL with low MW (<I>M<FONT SIZE="-1"><SUB>w</SUB></FONT></I>: 1250) as third component in melt blends of PET and PCL with high MW(<I>M<FONT SIZE="-1"><SUB>w</SUB></FONT></I>: 80000) led to higher degree of ester interchange reactions as well.

収録刊行物

  • Polymer journal

    Polymer journal 34(5), 313-319, 2002-05-15

    社団法人 高分子学会

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各種コード

  • NII論文ID(NAID)
    10012290878
  • NII書誌ID(NCID)
    AA00777013
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00323896
  • NDL 記事登録ID
    6179002
  • NDL 雑誌分類
    ZP16(科学技術--化学・化学工業--高分子化学・高分子化学工業)
  • NDL 請求記号
    Z53-R487
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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