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Effect of wood species on thermal flow behavior and physical properties of thermoplastic moldings

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Abstract

The thermoplastic flow behavior of cedar flour steamed at different temperatures in the range of 160–220°C was measured using a rheometer and compared with that of beech flour. The temperature at which the cedar flour starts to flow was approximately 70°C higher than that of beech flour, and the cedar flour exhibited low flowability. Furthermore, thermoplastic moldings were prepared from cedar and beech flours, and their physical properties were examined. Similar to the case of beech, a resin-like molding with a density of approximately 1.45 g/cm3 was obtained from the cedar flour steamed at 180°C or higher, and it was revealed by SEM observation that in these moldings wood flour particles adhere to each other. The specific bending strength was maximum for the moldings obtained from 180°C-steamed flour for both types of wood.

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Authors and Affiliations

  1. Aichi Industrial Technology Institute, Kariya, 448-0013, Japan

    Isoko Takahashi & Takanori Sugimoto

  2. Aichi Prefectural Government, Nagoya, 460-8501, Japan

    Yasuo Takasu

  3. Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, 464-8601, Japan

    Mariko Yamasaki, Yasutoshi Sasaki & Youji Kikata

Authors
  1. Isoko Takahashi
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  2. Takanori Sugimoto
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  3. Yasuo Takasu
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  4. Mariko Yamasaki
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  5. Yasutoshi Sasaki
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  6. Youji Kikata
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Correspondence to Isoko Takahashi.

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Takahashi, I., Sugimoto, T., Takasu, Y. et al. Effect of wood species on thermal flow behavior and physical properties of thermoplastic moldings. Wood Sci Technol 46, 419–429 (2012). https://doi.org/10.1007/s00226-011-0415-1

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  • DOI: https://doi.org/10.1007/s00226-011-0415-1

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