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Fungicidne lastnosti lesa impregniranega z vodnimi emulzijami voskov : diplomsko delo - visokošolski strokovni študij = Fungicidal properties of wood impregnated with water based wax emulsions : graduation thesis - higher professional studies
Smrdelj, Gregor
Večina slovenskih lesnih vrst ima neodporen les, zato mu pogosto želimo izboljšati to pomanjkljivost. V preteklosti so se v te namene uporabljali predvsem biocidni pripravki, danes pa želimo ...odpornost izboljšati predvsem z nekemičnimi rešitvami. Eno od možnosti predstavljajo tudi vodne emulzije voskov. Z namenom osvetliti to možnost smo z izbranimi emulzijami voskov (montanskega, polietilenskega in oksidiranega polietilenskega voska) proizvajalcev BASF in Samson impregnirali smrekove in bukove vzorce in jih po 4 tednih sušenja izpostavili delovanju lesnih gliv. Bukove vzorce smo izpostavili delovanju gliv bele trohnobe (Trametes versicolor, Hypoxylon fragiforme in Pleurotus ostreatus), smrekove pa glivam, ki povzročajo rjavo trohnobo (Gloeophyllum trabeum, Antrodia vaillantii in Serpula lacrymans), kot to predpisuje standard SIST EN 113. Po 16 tednih smo vzorce izolirali in gravimetrično določili izgubo mase. Iz rezultatov je razvidno, da vodne emulzije lahko v določenih primerih dobro zaščitijo les pred glivami razkrojevalkami in podaljšajo življenjsko dobo lesa. Med testiranimi emulzijami sta se najbolje obnesli emulziji polietilenskega voska.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [G. Smrdelj], 2009
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