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Vpliv časa potapljanja na vezavo baker-etanolaminskih pripravkov v les : diplomsko delo : visokošolski strokovni študij = Influence of submersion time on fixation of copper-ethanolamine preservatives in wood : graduation thesis : higher professional studiesGričar, GregaBaker-etanolaminski pripravki so najpomembnejša zaščitna sredstva za impregnacijo lesa v III. in IV. razredu izpostavitve po standardu SIST EN 335/1-2. Te pripravke pogosto uporabljajo tudi v ... podjetjih, ki nimajo na voljo impregnacijskih komor, zato les ščitijo s potapljanjem. Proučevali smo optimalen čas potapljanja, pri katerem dosežemo zadosten navzem, in pa vezavo baker-etanolaminskih pripravkov v les v odvisnosti od trajanja potapljanja. Smrekove vzorce različnih dimenzij smo za različna časovna obdobja namakali v komercialnem zaščitnem pripravku Silvanolin (Silvaprodukt) 2 različnih koncentracij (cCu = 0,25 ali 0,05 %). Ugotovili smo, da z daljšanjem časa namakanja narašča mokri navzem in globina prodora baker-etanolaminskih pripravkov v les, sočasno pa izboljšuje tudi kakovost vezave bakrovih učinkovin. Po 1 tednu namakanja smrekovine v zaščitni pripravek visoke koncentracije smo ugotovili, da so vzorci v povpreèju navzeli 275 kg/m3 zaščitnega pripravka. Bakrove učinkovine so prodrle 3 mm globoko. Izpirki iz impregniranih vzorcev, pridobljeni v skladu s standardom SIST ENV 1250-2 so vsebovali le 2,3 % bakrovih učinkovin.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [G. Gričar], 2008Language - slovenianCOBISS.SI-ID - 1689737
Author
Gričar, Grega
Other authors
Humar, Miha |
Pohleven, Franc
Topics
zaščita lesa |
baker-etanolaminski pripravki |
čas potapljanja |
absorpcija bakra |
fiksacija |
wood preservation |
copper-ethanolamine preservatives |
submersion time |
copper absorption |
fixation |
fixation
Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. | Ljubljana | BFLES |
reading room 1 cop.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Gričar, Grega | |
Humar, Miha | 19106 |
Pohleven, Franc | 05248 |
Source: Personal bibliographies
and: SICRIS
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