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Vpliv temperature termične modifikacije na omočljivost modificiranega lesa : diplomsko delo - visokošolski strokovni študij = Influence of thermal modification temperature on wettability of wood : graduation thesis - higher professional studiesŠtrovs, MatejTermična modifikacija lesa bistveno spremeni lastnosti lesa. Z vidika površinske obdelave sta pomembni lastnosti omočljivost in prosta površinska energija. Les smreke smo termično modificirali pri ... temperaturah 70 °C, 105 °C,120 °C, 140 °C, 180 °C in 210 °C. Vzorcem smo s tehtanjem po končani termični modifikaciji določili izgubo mase. Na modificiranih vzorcih smo kontaktne kote destilirane vode, dijodometana in formamida merili po Wilhelmyjevi metodi s ploščico, s tenziometrom (Krüss Processor Tensiometer K100). Iz izmerjenih kontaktnih kotov smo izračunali proste površinske energije modificiranih vzorcev po metodi Owens/Wendt/Rabel/Kaelble. Ugotovili smo, da z naraščanjem temperature termične modifikacije lesa narašča tudi izguba mase. Zaznali smo vpliv temperature termične modifikacije na kontaktni kot tekočin na lesu. Pri destilirani vodi smo na primer ugotovili dvig kontaktnih kotov s povišano temperaturo modifikacije. Izračuni površinskih energij kažejo rahlo naraščanje proste površinske energije z višanjem temperature termične modifikacije lesa.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Štrovs], 2010Language - slovenianCOBISS.SI-ID - 1852809
Author
Štrovs, Matej
Other authors
Petrič, Marko, 1962- |
Šernek, Milan
Topics
les |
termična modifikacija |
prosta površinska energija |
kontaktni kot |
wood |
thermal modification |
surface free energy |
contact angle
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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Shelf entry
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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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Štrovs, Matej | |
Petrič, Marko, 1962- | 00395 |
Šernek, Milan | 16382 |
Source: Personal bibliographies
and: SICRIS
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