BF, Dept. of Wood Technology, Lj. (BFLES)
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Vpliv vrste lepila pri izdelavi ivernih plošč na tlak sproščanja ob izpostavitvi delovanju vode : diplomsko delo : univerzitetni študij = Impact of adhesive type at particleboard manufacturing at pressure relax when exposed to water activity : graduation thesis : university studiesFiršt, UrošRaziskali smo vpliv vrste in deleža lepila na debelinski nabrek in tlak sproščanja pri nabreku. Za izdelavo plošč smo uporabili iverje iz tovarne Otiški Vrh, UF in MF lepilo. Plošče smo izdelali pri ... laboratorijskih pogojih s 6,00 % do 9,00 % deleži lepila v srednjem sloju ter 10,00 % do 13,00 % v zunanjem. Med stiskanjem smo merili spremembo temperature v sredini plošče, v prehodu med zunanjim in srednjim slojem ter prehodom med iverno in grelno ploščo stiskalnice. Debelinski nabrek smo določevali z metodo 24 urne potopitve preizkušancev v vodo. Silo oz. tlak sproščanja ob potopitvi smo merili 24 ur. Ugotovili smo, da imajo plošče zlepljene z melamin-formaldehidnim lepilom manjši debelinski nabrek kot tiste zlepljene z urea-formaldehidnim. Pri uporabi melamin-formaldehidnega lepila smo prav tako ugotovili manjše sile, ki se sprostijo ob nabrekanju. Z manjšanjem debelinskega nabreka se manjša tudi sila (tlak sproščanja ob nabreku). Pri UF lepilu smo dosegli večje spremembe sile (tlak sproščanja ob nabreku) pri spreminjanju deleža lepila v srednjem sloju. Sila (tlak sproščanja ob nabreku) in debelinski nabrek hitreje naraščata v začetni fazi izpostavitve vodi.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [U. Firšt], 2008Language - slovenianCOBISS.SI-ID - 1619081
Author
Firšt, Uroš
Other authors
Medved, Sergej |
Gornik Bučar, Dominika
Topics
iverne plošče |
UF lepilo |
MF lepilo |
debelinski nabrek |
sila nabreka |
particleboard |
UF resin |
MF resin |
thickness swelling |
swelling stress |
swelling stress
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Knjižnica BF za lesarstvo dn 0000000854 IN: 020080017 Knjižnica BF za lesarstvo dn 854 IN: 020080017 |
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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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Firšt, Uroš | ![]() |
Medved, Sergej | 15410 |
Gornik Bučar, Dominika | 10340 |
Source: Personal bibliographies
and: SICRIS
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