Mehanske lastnosti lesa impregniranega s pripravki na osnovi bakra in etanolamina : diplomsko delo : visokošolski strokovni študij; Mechanical properties of wood impregnated with copper-ethanolamine based wood preservatives : graduation thesis : higher professional studies

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Mehanske lastnosti lesa impregniranega s pripravki na osnovi bakra in etanolamina : diplomsko delo : visokošolski strokovni študij = Mechanical properties of wood impregnated with copper-ethanolamine based wood preservatives : graduation thesis : higher professional studies

Kirar, Sebastjan

Pripravki za zaščito lesa na osnovi bakra in etanolamina so nadomestili pripravke na osnovi bakra in kroma. Fiksacija baker-etanolaminskih pripravkov še ni tako učinkovita kot fiksacija ... baker-kromovih pripravkov. Domnevali smo, da etanolamin lahko povzroči depolimerizacijo lignina, ta pa večje izpiranje. Da bi ugotovili razlog za slabo fiksacijo baker-etanolaminskih pripravkov, smo vzorce smreke (Picea abies) in bukve (Fagus sylvatica) impregnirali s 3 različnimi pripravki na osnovi bakra in etanolamina v 3 različnih koncentracijah. Vzorce smo najprej izpirali, zatem pa jim gravimetrično določili spremembo mase. Modul elastičnosti (E) smo merili po nedestruktivni metodi, vzporedno pa analizirali količino bakra, dušika in ogljika v izpirkih. Količino dušika in ogljika smo merili tudi v izpranih in neizpranih vzorcih. Rezultati so pokazali, da prisotnost etanolamina v zaščitnih pripravkih povzroča spremembo modula elastičnosti (E). V izpirkih smo zaznali povečano količino bakra in ogljika ter opazili dobro povezavo med izpranim bakrom in organskim ogljikom. Glavni vir organskega ogljika so bile komponente lesa. S tem smo potrdili zastavljeno hipotezo.

Type of material - undergraduate thesis ; adult, serious

Publication and manufacture - Ljubljana : [S. Kirar], 2007

Language - slovenian

COBISS.SI-ID - 1564041

Link(s):
http://www.digitalna-knjiznica.bf.uni-lj.si/vs_kirar_sebastjan.pdf
Repository of the University of Ljubljana – RUL

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Other authors
Humar, Miha | Bučar, Bojan, 1961-2012

Availability in libraries

Library/institution	City	Acronym	For loan	Other holdings
BF, Department of Wood Science and Technology, Lj.	Ljubljana	BFLES	reading room 1 cop.

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Year	Impact factor		Edition		Category		Classification
Year	JCR	SNIP	JCR	SNIP	JCR	SNIP	JCR	SNIP

Links to authors' personal bibliographies	Links to information on researchers in the SICRIS system
Kirar, Sebastjan
Humar, Miha	19106
Bučar, Bojan, 1961-2012	01392

Source: Personal bibliographies and: SICRIS

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