Autors: Ivanov, I. G., Gospodinova, D. N., Dineff, P. D.
Title: Phosphorous flame retardants as tools to study plasma aided surface impregnation of wood.
Keywords: atmospheric dielectric barrier discharge (DBD), charcoal pro

Abstract: Phosphorous flame retardants (PFRs) quickly displace halogen containing flame retardants in flame retardancy of flammable wood materials and products. Their retardant action is based on the formation of charcoal protective coating that stops the flame spreading. Charcoal formation in the surface layer containing phosphorous flame retardant under heat impact at temperature of 190÷250 °C makes visible the penetration of the transparent flame retardant solution trough wood surface. This approach allows measuring the wicking depth through the surface of the wood specimen in the direction of capillary movement and transverse direction thereof.



    Proceedings of Technical university of Sofia, vol. 65, issue 2, pp. 97-106, 2015, Bulgaria, Technical university of Sofia, ISSN 1311-0829

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