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Journal of Wood Science

Official Journal of the Japan Wood Research Society

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Comparison of protein-based adhesive resins for wood composites

Journal of Wood Science volume 52, pages 503–508 (2006)Cite this article

Abstract

The search for new value-added uses for oilseed and animal proteins led us to develop protein-based wood adhesives. Low-fat soy and peanut flours and blood meal were hydrolyzed in an alkaline state, and PF-cross-linked protein resins were formulated by reacting the protein hydrolyzates with phenol-formaldehyde (PF) in solid-tosolid ratios ranging from 70% to 50% hydrolyzates and 30% to 50% PF. Physical properties of medium density fiberboard (MDF) bonded with protein-based phenolic resins were compared to those of boards bonded with ureaformaldehyde (UF) and PF resins, and flakeboard bonded with soy protein-based phenolic resin was compared to PF-bonded board. As MDF binders, adhesive properties of protein-based phenolic resins depended upon protein content of proteinacious materials. MDF board bonded with blood-based phenolic resin was comparable to PF-bonded board and met the requirements for exterior MDF. Boards bonded with soy-protein-based phenolic resin met requirements for interior MDF, while peanut-based phenolic failed to meet some of the requirements. Flakeboard bonded with soy-protein-based phenolic resins was inferior to PF-bonded board but outperformed PF-bonded board in accelerated aging tests. Although they exhibit a slow curing rate, the cost effectiveness and superior dimensional stability of protein-based phenolic resins may make them attractive for some uses.

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Author notes

  1. In Yang

    Present address: Program in Environmental Material Science, Department of Forest Products, Seoul National University, San 56-1 Shillim-Dong, 151-921, Seoul, Korea

Authors and Affiliations

  1. Department of Natural Resource Ecology and Management, Iowa State University, Ames, IA, 50011-1021, USA

    In Yang & Monlin Kuo

  2. Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, 50011-1021, USA

    Deland J. Myers

  3. College of Material Science and Engineering, Northeast Forestry University, Harbin, 150040, PR China

    Anbin Pu

Authors
  1. In Yang
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  2. Monlin Kuo
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  3. Deland J. Myers
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  4. Anbin Pu
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Correspondence to In Yang.

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Yang, I., Kuo, M., Myers, D.J. et al. Comparison of protein-based adhesive resins for wood composites. J Wood Sci 52, 503–508 (2006). https://doi.org/10.1007/s10086-006-0804-5

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  • DOI: https://doi.org/10.1007/s10086-006-0804-5

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