Vpliv temperature stiskanja pri lepljenju z lepilom na osnovi utekočinjenega lesa na trdnost lepilnega spoja : diplomski projekt = Influence of press temperature for bonding using liquefied wood based adhesive on adhesive bond strength : B. Sc. thesis
Zajc, Anže
Raziskovali smo možnosti uporabe utekočinjenega lesa kot samostojnega lepila za lepljenje lesa. Na osnovi že znanih postopkov smo utekočinili les z uporabo topolove žagovine, etilen glikola, in ...žveplove (VI) kisline. Pri temperaturi 120 °C, 150 °C, 180 °C, 200 °C in 220 °C smo v laboratorijski stiskalnici zlepili dvoslojne lepljence iz bukovih lamel. Čas stiskanja je bil 15 minut. Iz lepljencev smo izžagali strižne preizkušance kot jih določa standard in jih nato testirali z univerzalnim testirnim strojem ZWICK v različnih časovnih obdobjih 0, 1, 3, 7, 14 in 28 dni po lepljenju. Preizkušanci niso dosegli predpisane mejne strižne trdnosti po standardu EN 12765 (2002), ne glede na temperaturo stiskanja. Ugotovili smo, da sta z vidika strižne trdnosti lepilnega spoja za nadaljevanje raziskav najbolj primerni temperaturi stiskanja 180 °C in 200 °C.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [A. Zajc], 2012
Knjižnica BF za lesarstvo dv1 0000000021 IN: 020120094
Knjižnica BF za lesarstvo dv1 21 IN: 020120094
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