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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. thesisKrižan, JernejOhranjanje 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, seriousPublication and manufacture - Ljubljana : [J. Križan], 2021Language - slovenianCOBISS.SI-ID - 77809667
Author
Križan, Jernej
Other authors
Petrič, Marko, 1962- |
Humar, Miha |
Lesar, Boštjan
Topics
zaščita lesa |
modificiran les |
titanijev oksid |
UV svetloba |
UV svetloba |
wood protection |
modified wood |
titanium dioxide |
UV light |
UV light
Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Wood Technology, Lj. | Knjižnica BF za lesarstvo du2 72 IN: 020210088 |
available - reading room |
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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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Križan, Jernej | |
Petrič, Marko, 1962- | 00395 |
Humar, Miha | 19106 |
Lesar, Boštjan | 28503 |
Source: Personal bibliographies
and: SICRIS
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