| 摘要 |
<p>For producing chip or fibre boards or like articles by bonding particulate lignocellulosic material like chips or fibres with tannin-based adhesives like tannin resins or tannin containing resins, the lignocellulosic material is pre-hydrolyzed by means of adding acids, acidic salts or other acid liberating chemical compounds prior to adding a particular composition of adhesive material. </p> |
