Přehled o publikaci

New ways of processing sulphate liquors are therefore only geared to the use of some liquor components or to the production of high-priced products. The production technology of these products must be economically unattractive, technically easy to manage, and must be beneficial in solving environmental problems. Alkali lignins isolated from sulphate kraft liquors are polydispersive, three dimensional macromolecules derived from native lignin by hydrolysis in alkali and subsequent precipitation under acidic condition. Absence of free phenolic hydroxyls and low cross-linking degree make alkali lignins applicable as substitutes of phenol in phenol-formaldehyde (PF) polycondensates. In our research, we focused on studying the preparation of environmentally acceptable mixed polycondensation adhesives by applying reciprocal substitution of PF adhesives to unmodified sulphate liquors. These adhesive mixtures have been applied to the preparation of innovative wood composites with a perspective of sustainable manufacturing processes in the woodworking industry. In our analysis, we also focused on the assessment of selected economic and environmental aspects of sustainable technological processes in the production processes that generate innovative wood composites.