BF, Dept. of Wood Technology, Lj. (BFLES)
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Vodoodbojnost lesa impregniranega s silanom : diplomsko delo - univerzitetni študij = Water repellency of wood impregnated with silane : graduation thesis - university studiesBrdnik, Blaž, 1981-Zaradi vse večje okoljske ozaveščenosti industrija in raziskovalni inštituti iščejo nove načine za zaščito lesa. Kemična modifikacija lesa s silani je eden od obetavnih pristopov za izboljšanje ... lastnosti lesa, med njimi tudi hidrofobnosti. V diplomski nalogi smo za hidrofobiranje smrekovega lesa uporabili 1 % raztopino enega od alkiltriklorosilanov v heksanu. Za nanašanje raztopine silana smo uporabili različne načine, kot je premazovanje s čopičem in različno dolgo potapljanje v raztopini silana. Ugotovili smo, da se s kemično modifikacijo površine smrekovega lesa s silanom, kontaktni kot vodne kapljice poveča celo do 140°, prav tako pa se je zmanjšal kapilarni vlek tekoče vode v les. Vzorce smo izpostavili tudi vlažnemu zraku in ugotovili, da površinska kemična modifikacija smrekovega lesa s silanom nima večjega vpliva na ravnovesno vlažnost. Razlika v ravnovesni vlažnosti med impregniranimi vzorci in neobdelanimi vzorci je znašala največ komaj 0,9 %. Prav tako smo izračunali protikrčitveno učinkovitost ASE, in sicer na dva načina. Pri prvem načinu smo vzorce potapljali v vodo pri normalnih pogojih, pri drugem pa smo prepojitev z vodo izvedli v kombinaciji z izpostavitvijo podtlaku in nadtlaku. Pri obeh postopkih smo dobili približno podobne rezultate, in sicer daljši kot je bil čas impregnacije vzorcev v silanu, boljša je bila ASE. Le-ta je dosegla vrednosti do 17,5 %.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [B. Brdnik], 2016Language - slovenianCOBISS.SI-ID - 2642825
Author
Brdnik, Blaž, 1981-
Other authors
Petrič, Marko, 1962- |
Pavlič, Matjaž |
Straže, Aleš
Topics
les |
silan |
vodoodbojnost |
ravnovesna vlažnost |
protikrčitvena učinkovitost |
wood |
silane |
water repellency |
equilibrium moisture content |
anti-swelling efficiency
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Copy status | Reservation |
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Knjižnica BF za lesarstvo dn 0000000961 IN: 020160170 Knjižnica BF za lesarstvo dn 961 IN: 020160170 |
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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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Brdnik, Blaž, 1981- | ![]() |
Petrič, Marko, 1962- | 00395 |
Pavlič, Matjaž | 20386 |
Straže, Aleš | 18149 |
Source: Personal bibliographies
and: SICRIS
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