Čvrstoća na tlak jelovine i bukovine modificirane limunskom kiselinom (CROSBI ID 183771)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Šefc, Bogoslav ; Trajković, Jelena ; Sinković, Tomislav ; Hasan, Marin ; Ištok, Iva
engleski
Čvrstoća na tlak jelovine i bukovine modificirane limunskom kiselinom
Fir wood (Abies alba Mill.) and beech wood (Fagus sylvatica L.) were impregnated by citric acid (CA) with natrium-dihidrogen-hipofosfit (NaH2PO2) as a catalyst. Part of the impregnated samples together with control samples were cured at the temperature of 140 °C for 10 hours, other part of samples was cured in microwaves for 35 minutes. Average compression strength parallel to the grain of wood modified using different regimes of curing was compared to the strength of the recent wood. Average compression strength parallel to the grain of wood retained after modification. In the case of fir wood average compression strength was even improved after modification. The results indicate that wood modified by citric acid may be considered for the purposes where compression strength properties are equally important as improved durability and dimensional stability of wood.
Fir wood (Abies alba Mill.); beech wood (Fagus sylvatica L.); chemical modification; citric acid (CA); compression strength
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Podaci o izdanju
63 (1)
2012.
45-50
objavljeno
0012-6772
10.5552/drind.2012.1123
Povezanost rada
Drvna tehnologija