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From research on the use of chiral ionic liquids with a natural origin substituenl for wood proteclion. Antifungal activities of chiral ionic liquids - menthoxymethylimidazolium derivates against brown-rot decay fungus (Coniophora puteana), white-rot decay fungus (Trametes versicolor) and blue-stain fungus (Sclerophoma pithyophila) were determined using screening agar-plate and agar-block methods...
Within the framework of Project no. POIG.01.03.01-30/074/08 “Ionic liquids in innovative technologies connected with processing of lignocellulosic raw materials” the Wood Based Panels and Glues Department of the Wood Technology Institute in Poznan carried out research aiming at application of ionic liquids in particleboard technology. The objective of the research was application of [DDA][NO3] and...
Strongly hydrophobic ammonium ionic liquids penetrating the wood structure and protecting solid wood from water absorption were developed. By covering the surface of wood with ammonium ionic liquid the wood is hydrophobically and antiseptically protected for a long time. As it was mentioned above, swelling and water absorption of protected wood is several times less compared to unprotected wood. The...
The aim of the research was to measure the wettability of wood surface protected with three ionic liquids differing in terms of cation and anion structure as well as fungicidal properties. Herbicidal ionic liquids with functional anion, nitrate(V) with cation derived from natural coconut oil and ionic liquid with dodecylbenzenesulfonate anion were tested. The investigation was carried out on pine...
The results of the tests of the effectiveness of the action of new, not yet described in the literature group of biocidal ionic liquids were synthesised and presented. Those ionic liquids are derivatives of the leading structure, i.e. didecyldimethylammonium nitrate, and demonstrate strong action against mould fungi. Natural quaternary ammonium salts, mainly extracts from coconut and soybean, and...
The impregnation of wood with wood preservatives may have an influence on its physical and mechanical properties. The knowledge about the character of that influence is of great importance for characterisation of functional properties of wood and, as a consequence, determination of its use classes. The ionic liquids (ILs) of imidazolium tetrafluoroborates series, which for instance very well penetrate...
Because of potential widespread application of ionic liquids in industrial processes, they should be evaluated before being allowed to enter the environment. The sorption of the substance on soil and sediment is an essential parameter in a new approach of chemical design. The HPLC method involving cyanopropyl-reversed phases for determining sorption coefficients may be an alternative tool in predicting...
Some chromatographic methods (RP-HPLC) for analyses of different ionic liquids have been developed. The determination methods were suitable for the study of biodegradation of these substances.
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