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Rheology of tannin-added phenol formaldehyde adhesives for plywood |
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| Authors: | G. Vázquez J. González-álvarez F. López-Suevos G. Antorrena |
| Abstract: | adhesive consumption in double glue line, which is significantly lower than the aprox. 400 g/m2 allowed by commercially available phenol-formaldehyde adhesives. The adhesives prepared with resols containing 36% reactive solids, the tannins representing aprox. 20%, has permitted the preparation of eucalyptus plywood boards exceeding the requirements of the European norm for exterior grade plywood. |
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