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Dive into the research topics where Alan Antonović is active.

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Featured researches published by Alan Antonović.


Chemical and Biochemical Engineering Quarterly | 2015

Chemical and Thermal Properties of Cellulose Acetate Prepared from White Willow (Salix alba) and Black Alder (Alnus glutinosa) as a Potential Polymeric Base of Biocomposite Materials

Nikola Španić; Vladimir Jambreković; Sergej Medved; Alan Antonović

Natural polymeric materials are an interesting alternative to petrochemical products with potential application in almost all areas of human activity. Wishing to expand the field of cellulose acetate application to the biocomposite wood materials, the possibilities of cellulose isolation and its acetylation from two domestic, commercially meagrely used, wood species was investigated in this paper. Cellulose isolated from white willow (Salix alba) and black alder (Alnus glutinosa) was acetylated using acetic anhydride and perchloric acid catalyst, by treatment at room temperature for 45 minutes. Analysis of the laboratory acetylation process, beside chemical analysis of the gained product by infrared spectroscopy (FT-IR), indicated the impact of hemicelluloses, present both in cellulose and cellulose acetate structure, on values of mass increase, number of acetyl groups and the degree of substitution. Results of thermogravimetric analysis (TGA) later confirmed the statement that thermal properties of cellulose acetate were also dependant on hemicelluloses.


Forest Products Journal | 2010

The theory and mathematical model underlying the radial sawing simulator - RadSawSim.

Josip Ištvanić; Krunoslav Piljak; Alan Antonović; Ružica Beljo Lučić; Vladimir Jambreković; Stjepan Pervan

Gaining additional knowledge of sawing methods that produce sawn boards with a radial grain is a significant problem today because such methods are rarely used. The current technology in Croatian sawmills is adapted to the standard live and cant sawing methods. Experimental in-mill sawing studies designed to monitor yield are subject to financial and technological restrictions. Therefore, simulated sawing is often required. This research presents the calculation method used to formulate a mathematical model that simulates sawing. The objective was to produce as many radial sawn boards as possible.


Bioresources | 2011

Discolouration of thermally modified wood during simulated indoor sunlight exposure

Josip Miklečić; Vlatka Jirouš-Rajković; Alan Antonović; Nikola Španić


Drvna Industrija | 2010

Influence of urea-formaldehyde resin modification with liquefied wood on particleboard properties.

Alan Antonović; Vladimir Jambreković; Jaroslav Kljak; Nikola Španić; Sergej Medved


Drvna Industrija | 2011

Extraction Methods of Spanish Broom (Spartium Junceum L.)

Drago Katović; Andrea Katović; Alan Antonović


Drvna Industrija | 2011

Utjecaj sadržaja smole na tlak bubrenja troslojne ploče iverice vezane ureaformaldehidnim ljepilom

Sergej Medved; Alan Antonović; Vladimir Jambreković


Periodicum Biologorum | 2010

Influence of sampling location on content and chemical composition of the beech native lignin (Fagus sylvatica L.)

Alan Antonović; Vladimir Jambreković; Jozo Franjić; Nikola Španić; Stjepan Pervan; Josip Ištvanić; Andrej Bublić


Drvna Industrija | 2016

Chemical Composition of Straw as an Alternative Material to Wood Raw Material in Fibre Isolation

Ivana Plazonić; Željka Barbarić-Mikočević; Alan Antonović


Drvna industrija : Znanstveni časopis za pitanja drvne tehnologije | 2009

Utjecaj varijacije kuta vlakanaca furnirske ploče na savojna svojstva sendvič-ploče

Jaroslav Kljak; Mladen Brezović; Alan Antonović


Wood Research | 2008

A SUPPLEMENT TO THE RESEARCH OF NATIVE LIGNIN OF BEECH SAPWOOD FAGUS SYLVATICA L.

Alan Antonović; Vladimir Jambreković; Stjepan Pervan; Josip Ištvanić; Krešimir Greger; Andrej Bublić

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