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Title:Influence of drying temperature on properties of wood surfaces
Authors:ID Šernek, Milan (Author)
Files:.pdf PDF - Presentation file, download (932,44 KB)
MD5: E9D04C2DEA4146AA777649BE36098C59
PID: 20.500.12556/dirros/f0c42dd5-0ec8-4a7b-9627-e71423e3db72
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo SciVie - Slovenian Forestry Institute
Abstract:This article deals with modifications of wood surface properties induced by different drying temperatures. The aim of the study was chemical and physical characterization of a wood surface concerning low and high temperature exposure. Additionally, the correlation between the chemical composition of a wood surface and its wetting capacity were investigated. X-ray photoelectron spectroscopy and contact angle measurements were conducted. Two wood species, yellow poplar (Liriodendron tulipifera) and southern pine (Pinus taeda) were studied. The results showed that the percentage of carbon increased with drying temperature, and consequently, the percentage of oxygen decreased. The samples exposed to high drying temperatures indicated a higher content of extractives on the wood surface. These samples exhibited the highest contact angle and the lowest wettability
Keywords:površina lesa, sušenje, kontaktni kot, rentgenska fotoelektronska spektroskopija, omočitev, ekstraktivne snovi, wood surface, drying, contact angle, XPS, wettability, extractives
Publication status:Published
Publication version:Version of Record
Year of publishing:2002
Number of pages:str. 175-193
Numbering:Vol. 67
PID:20.500.12556/DiRROS-7256 New window
UDC:674.04
ISSN on article:0351-3114
URN:URN:NBN:SI:doc-FOEIVLCO
COBISS.SI-ID:902025 New window
Publication date in DiRROS:12.07.2017
Views:4515
Downloads:1906
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Record is a part of a journal

Title:Zbornik gozdarstva in lesarstva. forest and wood science & technology
Shortened title:Zb. gozd. lesar.
Publisher:Gozdarski inštitut Slovenije, Biotehniška fakulteta, Oddelek za gozdarstvo in obnovljive gozdne vire, Biotehniška fakulteta, Oddelek za lesarstvo
ISSN:0351-3114
COBISS.SI-ID:6206978 New window

Secondary language

Language:Slovenian
Title:Vpliv temperature sušenja na lastnosti lesnih površin
Abstract:Površina lesa, ki je izpostavljena visokim temperaturam, lahko postane neaktivna. Taka površina je težko lepljiva, zato je dosežena adhezija nezadostna. Neaktivnost lesne površine je povezana s kemičnimi in fizikalnimi spremembami. Cilj raziskave je bil ugotoviti razlike v kemični sestavi površine lesa, ki nastanejo pod vplivom nizkih oziroma visokih sušilnih temperatur. Raziskan je bil tudi vpliv sušenja na omočitev lesa in njena odvisnost od kemične sestave lesne površine. Uporabljena je bila rentgenska fotoelektronska spektroskopija in metoda merjenja kontaktnih kotov. Proučevani sta bili dve ameriški drevesni vrsti: tulipanovec in južni bor. Ugotovljeno je bilo, da se odstotek ogljika na površini lesa povečuje z naraščajočo temperaturo sušenja, medtem ko se odstotek kisika zmanjšuje. Površine lesa, ki so bile izpostavljene visoki sušilni temperaturi, so vsebovale višjo koncentracijo ekstraktivnih snovi kot običajno, kar je povzročilo visok kontaktni kot in slabo omočitev lesne površine


Collection

This document is a part of these collections:
  1. Acta Silvae et Ligni

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