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Vpliv parametrov toplozračnega sušenja na stopnjo utrjenosti poliuretanskega laka : diplomsko delo (visokošolski strokovni študij) = Influence of parameters of accelerated air drying on the drying stage of the polyurethane coating : graduation thesis (higher professional studies)Rozina, PrimožStopnja utrjenosti laka na posameznih lesnih elementih, v našem primeru na kuhinjskih vratih, mora biti ravno pravšnja, da prenese obremenitve, katerim so izpostavljeni površinsko obdelani elementi ... na dnu zložaja. V podjetju Svea Lesna industrija Litija, kjer za površinsko obdelavo kuhinjskih vrat uporabljajo poliuretanski lak, pa je prišlo do zlepljanja lakiranih elementov v 2/3 zložaja; zato smo raziskovali vzroke za nastali problem. V laboratoriju smo spreminjali pogoje sušenja: temperaturo, čas sušenja, hitrost zraka in debelino nanosa. Za vsako kombinacijo parametrov smo določili stopnjo strjenosti laka, to pa smo ugotavljali tudi na vzorcih iz redne proizvodnje in sicer po standardu DIN 53 150. Vsakih 7 dni pa smo na naključnih kuhinjskih vratih merili tudi sijaj, vsega skupaj 21 dni. Po vseh meritvah smo ugotovili, da parametri sušenja močno vplivajo na stopnjo utrjenosti laka, sijaj pa se v tem času bistveno ne spremeni. Menimo, da zlepljanje elementov v zložaju najverjetneje nima vzroka v prenizki stopnji utrjenosti premazov po izhodu iz sušilne linije, temveč je problem najbrž v napakah, ki so povezane z lastnostmi premaza.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [P. Rozina], 2005Language - slovenianCOBISS.SI-ID - 1330825
Author
Rozina, Primož
Other authors
Petrič, Marko, 1962- |
Šernek, Milan
Topics
površinska obdelava |
poliuretanski lak |
stopnja utrjenosti |
zlepljanje |
vpliv temperature |
vpliv hitrosti zraka |
surface finishing |
polyurethane coating |
drying stage |
stackability |
temperature influence |
air speed influence
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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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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Rozina, Primož | |
Petrič, Marko, 1962- | 00395 |
Šernek, Milan | 16382 |
Source: Personal bibliographies
and: SICRIS
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