BF, Dept. of Wood Technology, Lj. (BFLES)
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Kinetika utrjevanja poliestrskega lepila na osnovi utekočinjenega lesa : diplomsko delo - visokošolski strokovni študij = Kinetics of curing of polyester adhesive based on liquefied wood : graduation thesis - higher professional studiesPertnač, MarkoProučevali smo kinetiko utrjevanja lepilnih mešanic iz melamin-urea-formaldehidnega lepila (MUF) in poliestrskega lepila na osnovi utekočinjenega lesa (PEST-UL). Pripravili smo lepilne mešanice z ... različnimi utežnimi deleži MUF in PEST-UL, katerih utrjevanje smo spreminjali z diferenčno dinamično kalorimetrijo (DSC). Vse lepilne mešanice smo segrevali s hitrostjo 10 °C min-1 v temperaturnem območju 25-400 °C. Ugotovili smo, da več kot je MUF lepilu dodanega PEST-UL, višja je temperatura prvega eksotermnega vrha. Z večanjem deleža PEST-UL v MUF lepilni mešanici, od razmerja MUF/PEST-UL = 90/10-50/50, se temperatura prvega eksotermnega vrha konstantno povečuje in sicer od 92,52-98,74 °C; temperatura drugega eksotermnega vrha pa se glede na konstantno povečanje deleža variabilno spreminja in sicer od 292-299 °C. Z DSC metodo smo podrobneje proučili lepilno mešanico MUF/PEST-UL = 70/30 pri 3 različnih hitrostih segrevanja: 5, 10 in 20 °C min-1. Iz simulacije utrjevanja lepilne mešanice pri dinamičnih temperaturnih pogojih z uporabo MFK smo predvideli čase utrjevanja pri dinamičnih temperaturnih pogojih do določene stopnje utrjenosti lepilne mešanice.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [M. Pertnač], 2013Language - slovenianCOBISS.SI-ID - 2099081
Author
Pertnač, Marko
Other authors
Šernek, Milan |
Kunaver, Matjaž |
Poljanšek, Ida
Topics
poliestrsko lepilo |
utekočinjen les |
kinetika utrjevanja |
DSC |
MFK |
polyester adhesive |
liquefied wood |
curing kinetics |
DSC |
MFK
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Knjižnica BF za lesarstvo vsn 0000000364 IN: 020130018 Knjižnica BF za lesarstvo vsn 364 IN: 020130018 |
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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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Pertnač, Marko | |
Šernek, Milan | 16382 |
Kunaver, Matjaž | 11733 |
Poljanšek, Ida | 12041 |
Source: Personal bibliographies
and: SICRIS
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