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Controlled degradation of porous poly(lactide) stereocomplex films prepared by the selective extraction of co-assembled poly(vinyl alcohol)

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Summary

Poly(vinyl alcohol) (PVA) layers of different thicknesses were intercalated into stereocomplex films composed of poly(L-lactide) and poly(D-lactide). The immersion of composite films into boiling water selectively extracted the water-soluble PVA components, resulting in porous stereocomplex films. The hydrolytic properties of the porous films under alkaline conditions were then quantitatively analyzed. It was observed that the hydrolytic rates decreased with increasing pore sizes.

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Authors and Affiliations

  1. Department of Molecular Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, 565-0871, Japan

    Yuuya Arikawa & Mitsuru Akashi

  2. Research Center for Advanced Science and Technology (RCAST), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8904, Japan

    Takeshi Serizawa

  3. Department of Polymer Science and Engineering, Faculty of Textile Science, Kyoto Institute of Technology, Goshokaido-cho, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan

    Takashi Mukose & Yoshiharu Kimura

Authors
  1. Yuuya Arikawa
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  2. Takeshi Serizawa
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  3. Takashi Mukose
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  4. Yoshiharu Kimura
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  5. Mitsuru Akashi
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Corresponding author

Correspondence to Mitsuru Akashi.

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Arikawa, Y., Serizawa, T., Mukose, T. et al. Controlled degradation of porous poly(lactide) stereocomplex films prepared by the selective extraction of co-assembled poly(vinyl alcohol). Polym. Bull. 58, 703–709 (2007). https://doi.org/10.1007/s00289-006-0699-8

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  • DOI: https://doi.org/10.1007/s00289-006-0699-8

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