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Weinmannia Trichosperma Cav. 4/20 ZNANSTVENI ^ASOPIS ZA PITANJA DRVNE TEHNOLOGIJE • ZAGREB • VOLUMEN 71 • BROJ 4 SCIENTIFIC JOURNAL OF WOOD TECHNOLOGY • ZAGREB • VOLUME 71 • NUMBER 4 Weinmannia trichosperma Cav. 4/20 UDK 674.031.677.7 ISO: Drv. Ind. CODEN: DRINAT JCR: DRVNA IND ISSN 0012-6772 ................................. UDK 630*8+674 Coden: Drinat ISSN 0012-6772 ZNANSTVENI ^ASOPIS ZA PITANJA DRVNE TEHNOLOGIJE SCIENTIFIC JOURNAL OF WOOD TECHNOLOGY IZDAVA^ I UREDNI[TVO IZDAVA^KI SAVJET Publisher and Editorial Office Publishing Council [umarski fakultet Sveu~ili{ta u Zagrebu prof. dr. sc. Ivica Grbac (predsjednik), Faculty of Forestry, University of Zagreb prof. dr. sc. Stjepan Risovi}, 10000 Zagreb, Sveto{imunska 25 prof. dr. sc. Stjepan Pervan, Hrvatska – Croatia [umarski fakultet Sveu~ili{ta u Zagrebu; Tel. (+385 1) 235 25 53 Zdravko Jel~i}, dipl. oecc., Spin Valis d.d.; SUIZDAVA^I Krunoslav Jakup~i}, dipl. ing., Hrvatske {ume d.o.o.; Co-Publishers Oliver Vlaini}, dipl. ing., Hrvatsko {umarsko dru{tvo; Mato Ravli}, Hrast Strizivojna d.o.o.; Hrvatsko šumarsko društvo, Zagreb Mladen Galekovi}, PPS-Galekovi} Tvornica parketa; Hrvatske šume d.o.o., Zagreb Hrvatska komora inženjera šumarstva i drvne tehnologije Silvija Zec, dipl. ing., Hrvatska komora inženjera OSNIVA^ šumarstva i drvne tehnologije Founder TEHNI^KI UREDNIK Institut za drvnoindustrijska istra`ivanja, Zagreb Technical Editor GLAVNA I ODGOVORNA UREDNICA Zoran Vlaovi} Editor-in-Chief POMO]NICA UREDNI[TVA Ru`ica Beljo Lu~i} Assistant to Editorial Office POMO]NIK GLAVNE UREDNICE Dubravka Cvetan Assistant Editor-in-chief LEKTORICE Josip Miklečić Linguistic Advisers UREDNI^KI ODBOR Zlata Babi}, prof. (hrvatski – Croatian) Editorial Board Maja Zaj{ek-Vrhovac, prof. (engleski – English) Vlatka Jirouš-Rajković, Hrvatska DRVNA INDUSTRIJA je ~asopis koji objavljuje Bogoslav Šefc, Hrvatska znanstvene i stru~ne radove te ostale priloge iz Zoran Vlaović, Hrvatska cjelokupnog podru~ja iskori{tavanja {uma, istra`ivanja Andreja Pirc Barčić, Hrvatska svojstava i primjene drva, mehani~ke i kemijske prera de Nikola Španić, Hrvatska drva, svih proizvodnih grana te trgovine drvom i drvnim Miljenko Klarić, Hrvatska proizvodima. Tomislav Sedlar, Hrvatska ^asopis izlazi ~etiri puta u godini. Maja Moro, Hrvatska Matija Jug, Hrvatska DRVNA INDUSTRIJA journal contains research Ivana Perić, Hrvatska contributions and reviews covering the entire field of Jerzy Smardzewski, Poljska forest ex ploitation, wood properties and application, Marko Petrič, Slovenija mechanical and chemical conversion and modification Katarina Čufar, Slovenija of wood, and all aspects of manufacturing and Christian Brischke, Njemačka trade of wood and wood products. Kazimierz Orlowski, Poljska The journal is published quarterly. Jakub Sandak, Italija Željko Gorišek, Slovenija Borche Iliev, Makedonija Leon Oblak, Slovenija Hubert Paluš, Slovačka 71 (4) 325 (2020) DRVNA INDUSTRIJA 325 Sadržaj ................................................................. ORIGINAL SCIENTIFIC PAPERS Sadr`aj Izvorni znanstveni radovi .................................................................... 327-402 EFFECTS OF RECYCLED FIBER FINES ON HAND SHEET PROPERTIES Contents OF DIFFERENT UNBEATEN AND BEATEN PULPS Utjecaj finih recikliranih vlakana na svojstva ručno izrađenog papira od nemljevene i mljevene celuloze Sezgin Koray Gülsoy, Saffet Uysal ................................................................................ 327 FINITE ELEMENT MODELING OF FIBER REINFORCED POLYMER-BASED WOOD COMPOSITES USED IN FURNITURE CONSTRUCTION CONSIDERING SEMI-RIGID CONNECTIONS Primjena metode konačnih elemenata za modeliranje drvno-plastičnih kompozita ojačanih vlaknima za uporabu u konstrukciji namještaja s polukrutim vezovima Mustafa Zor, Murat Emre Kartal .................................................................................. 339 IMPROVING WEATHERING PERFORMANCE OF WOOD BY BORATES IMPREGNATION AND LIQUID GLASS COATING Poboljšanje otpornosti drva na vremenske utjecaje impregnacijom boratima i premazom od tekućeg stakla Mustafa Kucuktuvek, Hilmi Toker, Turkay Turkoglu, Ahmet Gunduz, Caglar Altay, Ergun Baysal .......................................................................................... 347 NAKLADA (Circulation): 700 koma- AN IN VITRO STUDY ON ANTIFUNGAL PROPERTIES, TOTAL da · ^ASOPIS JE REFERIRAN U POLYPHENOLIC CONTENT AND ANTIOXIDANT ACTIVITY OF (Indexed in): Science Citation Index DIFFERENT PARTS OF SELECTED FRUIT TREES Expanded, Scopus, CAB Abstracts, In vitro istraživanje protugljivičnih svojstava, ukupnog sadržaja polifenola Compendex, Environment Index, Vet- i antioksidativne aktivnosti različitih dijelova odabranih voćkarica erinary Science Database, Geobase, Derya Ustaömer, Elif Topaloğlu, Bilge Yilmaz, Hüseyin Serencam, İlhan Deniz ......... 355 DOAJ · PRILOGE treba slati na adresu EVALUATION OF RHODODENDRON LUTEUM AND RHODODENDRON Uredni{tva. Zna n stveni i stru~ni ~lanci PONTICUM IN PULP AND PAPER PRODUCTION se recenziraju. Rukopisi se ne vra}aju. · Procjena mogućnosti uporabe biljaka Rhododendron luteum i MANUSCRIPTS are to be submitted Rhododendron ponticum kao sirovine za proizvodnju celuloze i papira to the editorial office. Scien tific and Emre Birinci, Ahmet Tutuş, Mustafa Çiçekler .............................................................. 365 professional papers are reviewed. Man- SOME PROPERTIES OF EASTERN RED CEDAR (JUNIPERUS VIRGINIANA L.) uscripts will not be returned. · KON- PARTICLEBOARD PANELS MADE USING MODIFIED STARCH AS BINDER TAKT s uredni{tvom (Contact with Svojstva iverice izrađene od drva crvenog cedra i modificiranog škroba the Editorial) e-mail: editordiº kao veziva sumfak.hr · PRETPLATA (Subscrip- Onur Ulker, Salim Hiziroglu ......................................................................................... 371 tion): godi{nja pretplata (annual sub- EFFECT OF NATURAL RESIN FROM WILD PISTACHIO TREES ON scription) za sve pretplatnike 55 EUR. PHYSICAL PROPERTIES AND DURABILITY OF BEECH WOOD: ALONE Pretplata u Hrvatskoj za sve pretplatni- AND IN COMBINATION WITH BORIC ACID ke iznosi 300 kn, a za |ake, studente i Utjecaj prirodne smole divljeg drva pistacije (same i u kombinaciji s umirovljenike 100 kn, plativo na `iro bornom kiselinom) na fizička svojstva i trajnost bukovine ra~un 2360000 – 1101340148 s nazna- Soheila Izadyar, Yaser Babaei, Davood Efhamisisi ...................................................... 379 kom ”Drvna industrija” · TISAK MECHANICAL PROPERTIES AND FREE FORMALDEHYDE CONTENT OF (Printed by) – DENONA d.o.o., Getal- PARTICLEBOARDS PRODUCED USING AMMONIUM SULPHATE-BASED di}eva 1, Zagreb, tel. 01/2361777, fax. HARDENER PARTIALLY REPLACED WITH TARTARIC ACID 01/2332753, E-mail: denonaºde no na. Mehanička svojstva i sadržaj slobodnog formaldehida ploča iverica izrađenih hr; URL: www.denona.hr · DESIGN primjenom katalizatora na bazi amonijeva sulfata djelomično zamijenjenoga Aljo{a Brajdi} · ^ASOPIS JE vinskom kiselinom DOSTUPAN NA INTERNETU: https:// Nikola Španić, Vladimir Jambreković, Jaroslav Kljak, hrcak.srce.hr/drvnaindustrija · NA SLOV- Goran Mihulja, Željko Milanović ................................................................................. 389 NICA Presjek drva Weinmannia trichos- POSSIBILITIES OF INCREASING RENEWABLE ENERGY IN CROATIA, perma Cav., ksilo teka Zavoda za zna- SLOVENIA AND SLOVAKIA – WOOD PELLETS nost o drvu, [u mar ski fakultet Sveu~ili{ta Mogućnosti povećanja obnovljivih izvora energije u Hrvatskoj, u Zagrebu Sloveniji i Slovačkoj – drvni peleti Andreja Pirc Barčić, Petra Grošelj, Leon Oblak, Darko Motik, Vladislav Kaputa, Branko Glavonjić, Margarita Bego, Ivana Perić ......................................................... 395 PRELIMINARY PAPERS Prethodna priopćenja .......................................................................... 403-415 WEATHERING PERFORMANCE OF BEECH WOOD COATED WITH ACRYLIC PAINT CONTAINING UV STABILIZERS OF DIHYDROXY BENZOPHENONE AND NANO ZINC OXIDE Svojstva bukovine obrađene akrilnim premazom koji sadržava UV stabilizatore dihidroksi-benzofenon i nano cinkov oksid nakon izlaganja vremenskim utjecajima Mehrnaz Akbarnezhad, Davood Rasouli, Hossein Yousefi , Mahdi Mashkour .............. 403 DRVNA INDUSTRIJA · Vol. 71, 4 · str. 325-420 · zima 2020. · Zagreb INFLUENCE OF FIBRE LENGTH ON PROPERTIES OF GLASS-FIBRE REDAKCIJA DOVRŠENA 24. 8. 2020. REINFORCED BARK PARTICLEBOARDS Utjecaj duljine vlakana na svojstva iverice od kore ojačane staklenim vlaknima Zoltan Pásztory, Zoltan Börcsök, Dimitrios Tsalagkas ................................................. 411 UZ SLIKU S NASLOVNICE / Species on the cover .................................... 417 71 (4) 326 (2020) 326 DRVNA INDUSTRIJA ......Gülsoy, Uysal: Effects of Recycled Fiber Fines on Hand Sheet Properties of Different... Sezgin Koray Gülsoy1, Saffet Uysal1 Effects of Recycled Fiber Fines on Hand Sheet Properties of Different Unbeaten and Beaten Pulps Utjecaj finih recikliranih vlakana na svojstva ručno izrađenog papira od nemljevene i mljevene celuloze Original scientifi c paper • Izvorni znanstveni rad Received – prispjelo: 4. 2. 2019. © 2020 by the author(s). Accepted – prihvaćeno: 15. 7. 2020. Licensee Faculty of Forestry, University of Zagreb. This article is an open access article distributed UDK: 630*862.3; 630*862.42 under the terms and conditions of the https://doi.org/10.5552/drvind.2020.1904 Creative Commons Attribution (CC BY 4.0) license. ABSTRACT • In this study, 5, 10, and 15 % secondary fi nes of recycled pulp were added to unbeaten and beaten (28 ºSR) samples of recycled
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