LIGNOCELLULOSE MATERIALS CONTAINING LIGNOCELLULOSE FIBERS IN EXTERNAL LAYERS AND SUBSTITUTED PLASTIC PARTICLES IN THE CORE, AND THE WAY OF THEIR RECEPTION AND THEIR APPLICATION

摘要

The invention relates to lignocellulosic materials having a core and two outer layers, and containing in the core A) from 30 to 98 wt.% Lignocellulosic particles; B) from 1 to 25 wt.% Foamed plastic particles having a bulk density in the range from 10 to 150 kg / m; C) from 1 to 50 wt.% Of one or more binders selected from the group consisting of phenolic resin, aminoplast resin and organic isocyanate containing at least two isocyanate groups, and D) from 0 to 30 wt.% additives, and containing in the outer layers E) from 70 to 99 wt.% lignocellulosic fibers, F) from 1 to 30 wt.% one or more binders selected from the group consisting of a phenoplastic resin, an aminoplastic resin, and an organic isocene tension, comprising at least two isocyanate groups, and G) from 0 to 30 wt.% of additives.