BF, Dept. of Wood Technology, Lj. (BFLES)
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Vpliv vlažnosti lesnih plošč na emisijo formaldehida : diplomski projekt = Impact of moisture content of particleboards on formaldehyde emission : B. Sc. thesisSašek, DejanUporaba lesnih ploščnih kompozitov je zelo razširjena, saj je iz njih narejena večina pohištva. Kar 95 % lesnih ploščnih kompozitov je zlepljenih s poli-kondenzacijskimi lepili, pri katerih je ... formaldehid pomembna spojina, ki kasneje počasi iz izdelka emitira v okolje. Hitrost emisije je odvisna od številnih dejavnikov kot npr. deleža in vrste lepila, zgradbe plošče, gostote plošče in vsebnosti vlage, oz. okolja kateremu je izdelek izpostavljen. Raziskovali smo vpliv relativne zračne vlažnosti na emisijo formaldehida. Za testiranje smo izbrali 3-slojne iverne plošče. Izpostavili smo jih različnim relativnim vlažnostim pri konstantni temperaturi 20 °C. Razpon vlažnosti se je gibal od 0 % in pa do 87 % relativne zračne vlažnosti. Za referenčno vrednost smo izbrali plošče izpostavljene okolju s 65 % relativne zračne vlažnosti. Emisijo prostega formaldehida smo izmerili po steklenični metodi. Prav tako smo raziskovali emisijo po pretečenem daljšem časovnem obdobju. Ugotovili smo, da je prišlo do povečane emisije pri absolutno suhih vzorcih in vzorcih izpostavljenih 87 % relativni zračni vlažnosti. Emisija se je čez čas zmanjšala in izenačila pri vseh vzorcih.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [D. Sašek], 2012Language - slovenianCOBISS.SI-ID - 2048393
Author
Sašek, Dejan
Other authors
Medved, Sergej |
Šernek, Milan
Topics
vlažnost |
iverne plošče |
prosti formaldehid |
emisija |
humidity |
particle board |
free formaldehyde |
emission
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Knjižnica BF za lesarstvo du1 0000000028 IN: 020120097 Knjižnica BF za lesarstvo du1 28 IN: 020120097 |
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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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Sašek, Dejan | |
Medved, Sergej | 15410 |
Šernek, Milan | 16382 |
Source: Personal bibliographies
and: SICRIS
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