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Inorganic–organic hybrid biodegradable polyurethane resin derived from liquefied Sakura wood

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Abstract

Prunus cerasus (Japanese cherry blossom: Sakura) was liquefied in polyethylene glycol—glycerol co-solvent with sulfuric acid (H2SO4) as a catalyst. The liquefied wood was blended with poly-4,4′-diphenylmethane diisocyanate to prepare polyurethane (PU) resin. In addition, inorganic–organic hybrid biodegradable polyurethane resin was prepared by adding tetraethoxysilane into liquefied-wood-derived polyurethane. It was found that the thermal stability of liquefied-wood-derived polyurethane is better than general polyurethane. Furthermore, it was ensured that Si was introduced in PU at a molecular level, while maintaining the urethane structure.

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Acknowledgments

The author wishes to express thanks to Dr. Sadayoshi Mori and Mr. Kazuo Sakai for helpful discussions.

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Authors and Affiliations

  1. Fuji Pigment Co., Ltd, 2-23-2 Obana, Kawanishi City, Hyogo Prefecture, 666-0015, Japan

    Ryohei Mori

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  1. Ryohei Mori
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Correspondence to Ryohei Mori.

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Mori, R. Inorganic–organic hybrid biodegradable polyurethane resin derived from liquefied Sakura wood. Wood Sci Technol 49, 507–516 (2015). https://doi.org/10.1007/s00226-015-0707-y

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  • DOI: https://doi.org/10.1007/s00226-015-0707-y

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