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Induced tannin adhesive by boric acid addition and its effect on bonding quality and biological performance of poplar plywood

Efhamisisi D., Thévenon M.F., Hamzeh Y., Karimi A.N., Pizzi A., Pourtahmasi K.
2016

Quebracho tannin wood adhesive in a nonformaldehyde approach has a low hardening rate and needs more pressing time than formaldehyde-based wood adhesives during wood composites production. In this study, boric acid (BA) was used to increase autocondensation rate of tannin to make poplar plywood. The main ingredients of the adhesives included quebracho tannin, NaOH, hexamine, BA and polymeric ...

Technologie des produits forestiers; Manutention transport stockage et conservation des produits forestiers

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