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Multilayer light materials from lignocellulosic wood material with a core and two surface layers of treated cellulose fibers treated natural, synthetic fibers or mixtures thereof in the core
Multilayer light materials from lignocellulosic wood material with a core and two surface layers of treated cellulose fibers treated natural, synthetic fibers or mixtures thereof in the core
lignocellulosic material with a core and two surface layers, containing in the core A) 30 to 98% by weight of lignocellulose particles, B) 0 to 25% by weight of plastic expanded particles with bulk density in the range 10 to 150 kg / m3, C) 1 to 50% by weight of one or more selected binders from the group consisting aminoplast resin, phenol-formaldehyde, and organic isocyanate with at least two isocyanate and D) 0 to 10% by weight of additives and in the surface layers E) 70 to 99% by weight of lignocellulosic particles, fibers or mixtures thereof, F) from 1 to 30% by weight of one or more selected binders group consisting of aminoplast resin, phenol-formaldehyde and organic isocyanate with at least two isocyanate groups G) 0 to 10% by weight of additives, where from 2 to 30% of lignocellulose particles A) are replaced by treated celluloses, natural fibers treated or mixtures thereof.
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机译：具有芯和两个表面层的木质纤维素材料，在芯中包含A）30至98％重量的木质纤维素颗粒，B）0至25％重量的塑料膨胀颗粒，其堆积密度在10至150 kg / m3的范围内，C）1至50重量％的一种或多种选自氨基塑料树脂，苯酚甲醛和有机异氰酸酯与至少两种异氰酸酯的粘合剂，和D）0至10重量％的添加剂且在表面层中E）70至99重量％的木质纤维素颗粒，纤维或它们的混合物，F）1至30重量％的一种或多种选自氨基塑料树脂，酚醛和具有至少两个异氰酸酯基的有机异氰酸酯的粘合剂基团。 G）0至10重量％的添加剂，其中2至30％的木质纤维素颗粒A）被处理过的纤维素，处理过的天然纤维或其混合物代替。
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