Zaščita nemodificiranega in termično modificiranega lesa z nanodelci TIO2 : magistrsko delo; Protection of non-modified and thermally modified wood with TIO2 : M. Sc. thesis

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Zaščita nemodificiranega in termično modificiranega lesa z nanodelci TIO2 : magistrsko delo = Protection of non-modified and thermally modified wood with TIO2 : M. Sc. thesis

Križan, Jernej

Ohranjanje naravnega videza in osnovnih lastnosti lesa, izpostavljenega ultravijolični svetlobi, predstavlja poseben izziv. Za preprečevanje fotodegradacijskih uporabljamo različne tehnike zaščite od ... termične modifikacije do nanosa drugih materialov na površine lesa. Med sodobnimi materiali se je nano titanijev dioksid uveljavil kot dober zaviralec fotodegradacije. V raziskavi smo izvedli impregnacijo termično modificiranega in nemodificiranega lesa bukovine s titanijevim dioksidom. Uspešnost postopka impregnacije smo potrdili z analizo z elektronskim vrstičnim mikroskopom. Delci titanijevega dioksida se naložijo na celične stene in se med seboj povezujejo ter tvorijo konglomerate različnih velikosti. Impregnirane preskušance smo izpostavili UV obsevanju, tekoči vodi, zračni vlagi in glivam razkrojevalkam. Najbolj barvno stabilen se je izkazal termično modificiran les s titanijevim dioksidom, največje barvne spremembe smo zaznali pri impregniranem lesu, ki smo ga kasneje termično modificirali. Impregniranemu lesu se ob stiku s tekočo vodo močno poveča vlažnost. Titanijev dioksid v lesu zmanjša navlaževanje lesa v nasičenem zraku. Stični koti vode na pol radialnih površinah se ob prisotnosti titanijevega dioksida povečujejo. Impregniran les s titanijevim dioksidom delno oziroma slabo zavira razkroj lesa zaradi delovanja gliv razkrojevalk.

Type of material - master's thesis ; adult, serious

Publication and manufacture - Ljubljana : [J. Križan], 2021

Language - slovenian

COBISS.SI-ID - 77809667

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Repository of the University of Ljubljana – RUL

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Other authors
Petrič, Marko, 1962- | Humar, Miha | Lesar, Boštjan

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
Križan, Jernej
Petrič, Marko, 1962-	00395
Humar, Miha	19106
Lesar, Boštjan	28503

Source: Personal bibliographies and: SICRIS

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