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Priprava in karakterizacija površinskega sistema iz utekočinjenega lesa in melamin-urea-formaldehidnih smol : diplomsko delo - visokošolski strokovni študij = Preparation and characterisation of coating system based on liqefied wood and melamine-urea-formaldehyde resins : graduation thesis - higher professional studiesLavrič, Andrej, 1986-Pripravili smo površinske premaze na osnovi utekočinjenega lesa. Utekočinjali smo les črnega topola, za reagent smo uporabili dietilen glikol in glicerol, kot katalizator pa žveplovo (VI) kislino. ... Trem različnim vrstam utekočinjenega lesa, ki smo jih pripravili, smo dodali melamin-urea-formaldehidne smole (Meldur H97, Meldur IV in Meldur MS4). Pripravili smo več različnih premaznih formulacij ter za vsak tip utekočinjenega lesa izbrali po eno, ki smo jo uporabili za nadaljnje preskuse. Izbrane površinske premaze smo v 1 uri utrdili v sušilniku pri 135 °C. Določili smo trdoto in prožnost premazov, njihovo oprijemnost na površino lesa, odpornost premazov proti hladnim tekočinam in odpornost proti suhi in vlažni toploti. Ugotovljene lastnosti smo primerjali z lastnostmi komercialnega premaza na vodni osnovi. Ugotovili smo, da trdota utrjenih premazov od časa utrditve začne počasi padati. Rezultati odpornosti premazov proti hladnim tekočinam so pokazali, da imajo novonastali premazi slabšo odpornost proti vodi, kavi in alkoholu, medtem ko se odpornost proti olju in acetonu ne razlikujeta od odpornosti komercialnega premaza. Izvedli smo tudi infrardečo (FT-IR) analizo spektrov tekočih in utrjenih premazov. FT-IR analiza je pokazala nastanek novih absorpcijskih trakov pri vseh utrjenih premazih.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [A. Lavrič], 2011Language - slovenianCOBISS.SI-ID - 1977225
Author
Lavrič, Andrej, 1986-
Other authors
Petrič, Marko, 1962- |
Budija, Franc |
Šernek, Milan
Topics
površinski premaz |
utekočinjen les |
melamin-urea-formaldehidne smole |
FT-IR |
surface coating |
liquefied wood |
melamine-urea-formaldehyde resins |
FT-IR
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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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Year | Impact factor | Edition | Category | Classification | ||||
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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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Lavrič, Andrej, 1986- | ![]() |
Petrič, Marko, 1962- | 00395 |
Budija, Franc | 28502 |
Šernek, Milan | 16382 |
Source: Personal bibliographies
and: SICRIS
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