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- W2570411863 abstract "Studies on modification of wood with a solution of hydrocarbon petroleum gum, modified by polybutadiene are held. Studies of birch wood, treated by a solution of petroleum-polymer gum, modified by polybutadiene, were held with the usage of experiment planning method, built according to plan of quartic Greco-Latin square. The influence of such factors as temperature of the impregnation, the duration of soaking, temperature and duration of heat treatment is examined. For each factor following levels of variation were selected: the temperature of impregnation 40, 70, 100, 130 °C, the duration of impregnation 1, 3, 5, 7 h.; treatment temperature 110, 130, 150, 170 °C, the duration of heat treatment 1, 3, 5, 7 h. As the response functions such factors as water absorption of wood, swelling in the radial and tangential directions were chosen. We obtain the regression equation describing the influence of key technological parameters of modification process on characteristics of water absorption, swelling in the radial and tangential directions of the samples of modified birch. On the basis of experimental data it is revealed that the most significant influence on the hydrophobic properties of treated wood is given by a duration of soaking in hydrocarbon solution of the modified petroleum gum, the temperature and duration of heat treatment. It is shown that in order to improve the impregnation process by hydrocarbon petroleum gum solution, modified by polybutadiene, the temperature of the impregnating should be kept at ~ 130°C, the duration of wood exposure in impregnation composition should be maximum one. It is noted that the high temperature of heat treatment has a positive impact on improving the structure and properties of the resulting material." @default.
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- W2570411863 date "2011-01-01" @default.
- W2570411863 modified "2023-09-26" @default.
- W2570411863 title "Свойства древесины, обработанной раствором модифицированной нефтеполимерной смолы" @default.
- W2570411863 hasPublicationYear "2011" @default.
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