Izdelava ploščnega kompozita iz invazivnih lesnih vrst

Vilman, Grega (author), Medved, Sergej (mentor)

Evropa se sooča z velikim razraščanjem tujerodnih invazivnih rastlinskih vrst, zato je Evropska unija podprla projekt APPLAUSE, ki preučuje, kako jih predelati v izdelke. V naši diplomski nalogi smo izbrali štiri različne tujerodne invazivne lesne vrste (robinija, octovec, pajesen in trnata gledičevka), iz katerih smo izdelali štiri trislojne iverne plošče. Najprej smo iz sekancev izdelali iveri, ki smo jih uporabili za izdelavo plošč. Izdelanim ploščam smo določili gostoto, vlažnost, debelinski nabrek, vpijanje vode, razslojno in upogibno trdnost ter modul elastičnosti. Plošče smo primerjali s kontrolnimi ploščami, izdelanih iz iveri iglavcev in v skladu s standardom SIST EN 312; 2011 za plošče P2 debeline med 13 in 20 mm, ki se uporabljajo za pohištvo v normalnih klimatskih pogojih. Ugotovili smo, da na lastnosti ivernih plošč vpliva izbor lesnih vrst. Razlike se pojavijo že pri morfoloških značilnostih izdelanih gradnikov, s katerimi pa so povezane mehanske lastnosti plošč. Najbolj primerna plošča je bila izdelana iz iveri octovca, katero bi lahko uporabili v pohištvu. Uporabili bi lahko tudi plošče iz iveri trnate gledičevke in velikega pajesna, vendar bi morali narediti nekaj izboljšav pri deležih dodanih komponent in v procesu izdelave.

• Language: Slovenian
• Keywords: invazivke, iverne plošče, iveri, mehanske lastnosti
• Work type: Bachelor thesis/paper
• Typology: 2.11 - Undergraduate Thesis
• Organization: BF - Biotechnical Faculty
• Publisher: [G. Vilman]
• Year: 2019
• PID: 20.500.12556/RUL-110982
• UDC: 630*862.2
• COBISS.SI-ID: 3117193
• Publication date in RUL: 21.09.2019

VILMAN, Grega, 2019, Izdelava ploščnega kompozita iz invazivnih lesnih vrst [online]. Bachelor’s thesis. G. Vilman. [Accessed 17 March 2025]. Retrieved from: https://repozitorij.uni-lj.si/IzpisGradiva.php?lang=eng&id=110982

Secondary language

• Language: English
• Title: Production of panel type composite from alien wood species

Abstract

Europe is facing the major overgrowth of alien invasive plant species, which is the reason for launching the APPLAUSE project that is also supported by the Europe Union. Its aim is to find ways to use such species to produce useful products. We have selected four different alien invasive wood species (black locust, sumac, tree of heaven, honey locust), from which we made four three-layer particle boards. First, we made particles from chips and used them to produce boards. We determined the density, moisture, swelling thickness, tensile strength, bending strength and modulus of elasticity of the borads. The boards were compared with those made of conifer particles and the standard SIST EN 312; 2011 for P2 panels of thickness between 13 and 20 mm used for furniture in normal climatic conditions. We found that the properties of particle boards are influenced by the selection of wood species. Differences already appear with the morphological characteristics of the particles, with which the mechanical properties of the boards are related. The most suitable board was made from sumac, which could be used for furniture. We could also use boards made from particles from tree of heaven and honey locust, although this would need some improvements with regard to the component proportions and manufacturing process.

• Keywords: invasive species, particle boards, chips, mehanical properties