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Lastnosti poliuretanskega premaza iz utekočinjenega lesa na površinsko zgoščenem lesu : diplomski projekt = Properties of liquefied wood based polyurethane coating on surface densified wood : B. Sc. thesisAvguštin, Žiga, 1990-Pripravili in karakterizirali smo površinski premaz poliuretanskega tipa iz zmesi utekočinjenega lesa smreke in komercialnega izocianatnega utrjevalca. Les smreke smo utekočinili s solvolizo z zmesjo ... topil etilen glikola in glicerola. Ugotavljali smo, kako se lastnosti utrjenega poliuretanskega premaza iz utekočinjenega lesa na površinsko zgoščenem lesu bora razlikujejo od lastnosti istega premaznega sredstva na nezgoščenem lesu. Primerjali smo lastnosti poliuretanskega premaza iz utekočinjenega lesa na površinsko zgoščenem in nezgoščenem lesu z lastnostmi komercialnega poliuretanskega laka. Po standardiziranih postopkih smo preverili trdoto po Brinellu, odpornost površine proti hladnim tekočinam, oprijemnost premaznega sistema na podlago, odpornost površinskega sistema proti razenju in odpornost površinskega sistema proti udarcu. Poliuretanski premaz iz utekočinjenega lesa ima v primerjavi s komercialnim poliuretanskim lakom zelo veliko odpornost proti razenju; premaz iz utekočinjenega lesa pa slabšo odpornost proti hladnim tekočinam. Do razlik je prišlo tudi med lastnostmi premaza na površinsko zgoščenem in nezgoščenem lesu. Vzorci s premazi na površinsko zgoščenem lesu so imeli večjo odpornost proti razenju ter trdoto po Brinellu, vendar slabšo oprijemnost na podlago. Obarvanja so se pojavila zgolj pri poliuretanskem premazu iz utekočinjenega lesa, neglede na vrsto podlage. Poliuretanski premazi iz obnovljivih virov, kot tudi površinsko zgoščen les, ima v prihodnosti velik potencial.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [Ž. Avguštin], 2014Language - slovenianCOBISS.SI-ID - 2278281
Author
Avguštin, Žiga, 1990-
Other authors
Petrič, Marko, 1962- |
Kutnar, Andreja |
Šernek, Milan
Topics
površinsko zgoščen borov les |
utekočinjen smrekov les |
poliuretanski premaz |
lastnosti površinskega sistema |
liquefied spruce wood |
polyurethane coating |
surface densified pine wood |
properties of surface system
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Library | Call number – location, accession no. ... | Copy status |
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BF, Dept. of Wood Technology, Lj. | Knjižnica BF za lesarstvo du1 47 IN: 020140131 |
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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Avguštin, Žiga, 1990- | ![]() |
Petrič, Marko, 1962- | 00395 |
Kutnar, Andreja | 31274 |
Šernek, Milan | 16382 |
Source: Personal bibliographies
and: SICRIS
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