Preparation and Properties of Poly(L-lactide)-block-poly(trimethylene carbonate) as Biodegradable Thermoplastic Elastomer.

DOI Web Site 被引用文献2件 参考文献28件
  • Kim Ji-Heung
    Department of Chemical Engineering, Polymer Technology Institute, Sungkyunkwan University
  • Lee Ju Hee
    Department of Chemical Engineering, Polymer Technology Institute, Sungkyunkwan University

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Biodegradable ABA triblock copolymers of l-lactide and trimethylene carbonate with given compositions were prepared and chain-extended to produce high molecular weight polymer. The polymers were semicrystalline, and exhibited well microphase-segregated morphology with one crystalline poly(l-lactide) (PLLA) and the other soft and amorphous poly(trimethylene carbonate) (PTMC) block segments. The polymers could be cast into flexible and tough film, reversibly stretchable with elongation up to about 300%. This material may provide a novel thermoplastic elastomer possessing desirable properties including biodegradability, biocompatibility and good mechanical properties including two-phase morphology. Also a preliminary result on the hydrolytic degradation behavior was discussed.

収録刊行物

  • Polymer Journal

    Polymer Journal 34 (3), 203-208, 2002

    The Society of Polymer Science, Japan

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