Feature Article

Comonomer-Unit Compositions, Physical Properties and Biodegradability of Bacterial Copolyhydroxyalkanoates

  1. Lidan Feng1,
  2. Naoko Yoshie2,
  3. Naoki Asakawa1,
  4. Yoshio Inoue1,*

Article first published online: 8 MAR 2004

DOI: 10.1002/mabi.200300092

Issue

Macromolecular Bioscience

Macromolecular Bioscience

Special Issue: Highlights from the First IUPAC International Conference on Bio-based Polymers (ICBP 2003) in Saitama, Japan

Volume 4, Issue 3, pages 186–198, March 15, 2004

Additional Information

How to Cite

Feng, L., Yoshie, N., Asakawa, N. and Inoue, Y. (2004), Comonomer-Unit Compositions, Physical Properties and Biodegradability of Bacterial Copolyhydroxyalkanoates. Macromol. Biosci., 4: 186–198. doi: 10.1002/mabi.200300092

Author Information

  1. 1

    Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan

  2. 2

    Institute of Industrial Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8904, Japan

*Department of Biomolecular Engineering, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8501, Japan. Fax: (+81) 45-924-5827

Publication History

  1. Issue published online: 8 MAR 2004
  2. Article first published online: 8 MAR 2004
  3. Manuscript Accepted: 8 JAN 2004
  4. Manuscript Revised: 6 JAN 2004
  5. Manuscript Received: 7 NOV 2003

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Keywords:

  • biodegradable;
  • blends;
  • fractionation of polymers;
  • physical properties;
  • polyhydroxyalkanoate

Abstract

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Summary: The comonomer-unit compositions and their distribution of as-produced bacterial copolyesters, including poly(3-hydroxybutyrate-co-3-hydroxyvalerate), poly(3-hydroxy-butyrate-co-3-hydroxypropionate), poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) and poly(3-hydroxybutyrate-co-4-hydroxybutyrate) are described in this paper. Each copolyester sample can be comonomer-unit compositionally fractionated into several fractions, indicating that the original copolymers are mixtures of copolymers with different comonomer-unit compositions. The effects of comonomer-unit compositional distribution on thermal properties, crystallization, biodegradability and solid-state phase behavior are investigated using comonomer compositionally fractionated copolymers.

View Full Article (HTML) Get PDF (243K)