Bacterially derived biopolymers as wood adhesives

Anthony P. Haag, Raina M. Maier, Joan Combie, Gill G. Geesey

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


The wood adhesive market is very large and problems due to volatile organic compounds and toxic chemicals in many adhesives and their production are significant. In addition, most of the adhesives are derived from depleting petrochemical resources. An environmentally friendly wood adhesive based on renewable resources and produced by microbial fermentation has been explored. Using the shear block test method, a microbially produced polysaccharide has been tested and the effects of wood type, humidity, set time, partial acetylation, and surface wetting agents were determined. Shear strength of the microbial polysaccharide adhesive was compared to that of a commercial wood adhesive and other polysaccharides. Shear strengths of up to 20MPa (3000psi) for bonding maple have been obtained at 53% relative humidity and 22°C.

Original languageEnglish (US)
Pages (from-to)495-502
Number of pages8
JournalInternational Journal of Adhesion and Adhesives
Issue number6
StatePublished - Dec 2004


  • A. Adhesives for wood
  • A. Novel adhesives
  • A. Water based
  • Extracellular polysaccharide

ASJC Scopus subject areas

  • Biomaterials
  • Chemical Engineering(all)
  • Polymers and Plastics


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