PROCESS FOR BONDING TOGETHER BOARDS OF WOOD WITH ROUGH OR SMOOTH SURFACE, OF SLICED OFF OR PEELED VENEER, PRODUCT USED FOR SAID BONDING AND FINAL MATERIAL OBTAINED

摘要

ABSTRACT OF THE OF DISCLOSUREThe present invention relates to a process for bondingtogether boards of wood with surface rough from sawing orwith smooth surface, of affected off or peeled veneers, wherein.at least one of the surfaces to be brought into contactis coated with the aid of an expanding polymer glue containing- at least one hardener_ and at least one volatile pore-generating agent,the mating surfaces are brought into contact with possible appli-cation of a pressure and the whole is then heated up to a tem-perature at which the expansion of the glue has been provoked,up to a rate of expansion of between 30 and 100%. The inventionalso relates to the product used for said bonding and to the finalmaterial obtained.