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  • Experimental studies of centrifugal pine wood impregnation respecting the ratio of summerwood and latewood

    Presented article provides the results of experimental studies related on the centrifugal impregnation of pine wood process. The studies were carried out respecting influence of the percentage of summerwood and latewood in the impregnated samples on the speed of centrifugal impregnation (impregnant consumption per processing time), and the impregnation depth (the ratio of the volume of absorbed liquid to the total volume of the pore space of a wood sample). On the basis of these results it is shown that the percentage of latewood in a sample does not significantly affect the speed of centrifugal impregnation, while the percentage of latewood affects the impregnation depth (regression model obtained). Furthermore, it is shown that the inner space filled with the impregnant after centrifugal impregnation occurs uniformly along impregnation front trace. The conclusion follows with a list of promising directions for further research on the subject of wood impregnation process using centrifuges.

    Keywords: pine wood, centrifuge, impregnation, impregnation front centrifugal method, deep impregnation, summerwood, latewood, uniformity of impregnation