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Sorpcijske lastnosti termično modificiranega lesa obdelanega z metilmetakrilatom : diplomsko delo = Sorption properties of thermally modified wood treated with methyl methacrylate : B. Sc. thesisŽitko, SamoNaravni material, kot je les se v današnjem času vse bolj uporablja v gradbene namene. Zaradi njegove splošne uporabnosti, njegovih lastnosti in vse bolj ekološke osveščenosti, lesu raste ... popularnost. Žal vse vrste niso dovolj odporne, zato je potrebno manj odporne vrste dodatno zaščititi. V našem eksperimentu smo uporabili manj odporno drevesno vrsto in sicer smrekovino. Smrekovino smo najprej termično modificirali, postopek modifikacije je potekal pri temperaturah 210 °C in 230 °C. Nato smo termo modificirano smrekovino dodatno obdelali z metilmetakrilatom (MMA). Obdelali smo jih po treh različnih postopkih, z različnimi koncentracijami MMA z in brez dodanega inhibitorja. Spremenljivke v postopkih obdelave so bile čas, temperatura, tlak in podtlak. Preučevali smo vpliv termične modifikacije, način impregnacije in koncentracijo MMA na navzem vode, vodne pare in sorpcijske lastnosti lesa. Znano je, da termična modifikacija v večji meri vpliva na izgubo mase vzorcev in s tem poslabšanje mehanskih lastnosti lesa. Vendar pa pozitivno vpliva na odpornost proti glivam, insektom in vremenskim vplivom. Obdelava z MMA nekoliko zniža navzemanje vode in povečuje hidrofobnost obdelanega lesa, med tem ko na navzem vodne pare MMA nima vpliva.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [S. Žitko], 2017Language - slovenianCOBISS.SI-ID - 2813321
Author
Žitko, Samo
Other authors
Lesar, Boštjan |
Poljanšek, Ida
Topics
zaščita lesa |
termično modificiran les |
MMA |
wood protection |
modified wood |
MMA
Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Wood Technology, Lj. | Knjižnica BF za lesarstvo dv1 95 IN: 020170132 |
available - reading room |
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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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Žitko, Samo | |
Lesar, Boštjan | 28503 |
Poljanšek, Ida | 12041 |
Source: Personal bibliographies
and: SICRIS
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