BF, Dept. of Wood Technology, Lj. (BFLES)
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Utrjevanje lepilnih mešanic iz utekočinjenega lesa in urea-formaldehidnega lepila : diplomski projekt = Curing of adehsive mixtures of liquefied wood and urea-formaldehyde adhesive : B. Sc. thesisŽigon, JureLes smo utekočinili z uporabo etilen glikola in žveplove(VI) kisline. Pripravili smo lepilne mešanice z različnimi deleži utekočinjenega lesa (UL) in urea-formaldehidnega (UF) lepila in izmerili čas ... do začetka želiranja. Z diferenčno dinamično kalorimetrijo in reometrom smo spremljali proces utrjevanja izbranih lepilnih mešanic. Opravili smo tudi preizkuse strižne trdnosti lepilnih spojev, narejenih iz predhodno proučevanih lepilnih mešanic. Rezultati so nam podrobneje pokazali, pri kateri temperaturi se je začelo želiranje posamezne lepilne mešanice in procese, ki so se pojavili v lepilnih mešanicah pri višjih temperaturah. Najkrajše čase želiranja so dosegle lepilne mešanice z dodatkom UL pri 30 % in 40 %. Želiranje lepilnih mešanic se je pričelo v temperaturnem območju med 95 °C in 135 °C, UF lepilo pa je s komponentami UL reagiralo pri temperaturah med 135 °C in 190 °C. Najvišjo strižno trdnost je dosegel lepilni spoj, narejen z lepilno mešanico iz 10 % UL in 90 % UF lepila.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [J. Žigon], 2012Language - slovenianCOBISS.SI-ID - 2043273
Author
Žigon, Jure
Other authors
Šernek, Milan |
Petrič, Marko, 1962-
Topics
diferenčna dinamična kalorimetrija |
reološke lastnosti |
strižna trdnost |
utekočinjen les |
urea-formaldehidno lepilo |
differential scanning calorimetry |
rheological characteristics |
shear strength |
liquefied wood |
urea-formaldehyde adhesive
Call number – location, accession no. ... |
Copy status | Reservation |
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Knjižnica BF za lesarstvo du1 0000000026 IN: 020120078 Knjižnica BF za lesarstvo du1 26 IN: 020120078 |
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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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Žigon, Jure | 37804 |
Šernek, Milan | 16382 |
Petrič, Marko, 1962- | 00395 |
Source: Personal bibliographies
and: SICRIS
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