Vaš brskalnik ne omogoča JavaScript!
JavaScript je nujen za pravilno delovanje teh spletnih strani. Omogočite JavaScript ali pa uporabite sodobnejši brskalnik.
Nacionalni portal odprte znanosti
Odprta znanost
DiKUL
slv
|
eng
Iskanje
Brskanje
Novo v RUL
Kaj je RUL
V številkah
Pomoč
Prijava
The effect of ageing on bonding performance of plasma treated beech wood with urea-formaldehyde adhesive
ID
Žigon, Jure
(
Avtor
),
ID
Saražin, Jaša
(
Avtor
),
ID
Šernek, Milan
(
Avtor
),
ID
Kovač, Janez
(
Avtor
),
ID
Dahle, Sebastian
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(2,02 MB)
MD5: D18799044B912AA64E612972FCA05399
URL - Izvorni URL, za dostop obiščite
https://link.springer.com/article/10.1007/s10570-021-03687-z
Galerija slik
Izvleček
In the process of wood bonding, the usage of aged and inactivated wooden elements can cause a reduction in mechanical properties of products containing wood-adhesive joints. Treating wood with an atmospheric air plasma represents a sophisticated technique for surface activation. With this regard, to enhance the bondability of normal beech wood (Fagus sylvatica L.) with urea-formaldehyde (UF) adhesive, a dielectric barrier discharge plasma in floating electrode configuration was implemented. In this study, fresh and aged wood specimen both, untreated and plasma treated, were investigated. X-ray photoelectron spectroscopy revealed promotion of carbon-rich species with ageing, but generation of a new functional oxygen-containing functional groups after plasma treatment. Microscopic observations with scanning electron microscope showed no obvious changes in the wood structure after plasma treatment. Surface oxidation consequently improved the wettability of the wood surface with water and UF adhesive. However, this enhanced wettability slightly diminished over time. As shown with dynamic mechanical analysis, the rheological properties of the UF adhesive in wood-adhesive joints were not affected by aging nor by plasma treatment. The positive influence of plasma treatment and negative impact of substrate ageing to the shear strengths of wood lap-joints were determined using an automated bonding evaluation system. Similarly, the negative effect of wood ageing and the positive effect of plasma pre-treatment were reflected in the bending strengths of the produced laminated veneer lumbers. Results showed that plasma treatment of beech wood improves the bonding performance of both fresh and aged wood.
Jezik:
Angleški jezik
Ključne besede:
ageing
,
bonding
,
wood
,
plasma
,
urea-formaldehyde adhesive
,
surface
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Datum objave:
01.01.2021
Leto izida:
2021
Št. strani:
Str. 2461-2478
Številčenje:
Vol. 28, iss. 4
PID:
20.500.12556/RUL-138724
UDK:
630*8
ISSN pri članku:
1572-882X
DOI:
10.1007/s10570-021-03687-z
COBISS.SI-ID:
49872899
Datum objave v RUL:
10.08.2022
Število ogledov:
621
Število prenosov:
72
Metapodatki:
Citiraj gradivo
Navadno besedilo
BibTeX
EndNote XML
EndNote/Refer
RIS
ABNT
ACM Ref
AMA
APA
Chicago 17th Author-Date
Harvard
IEEE
ISO 690
MLA
Vancouver
:
Kopiraj citat
Objavi na:
Gradivo je del revije
Naslov:
Cellulose
Skrajšan naslov:
Cellulose
Založnik:
Springer Nature
ISSN:
1572-882X
COBISS.SI-ID:
513134105
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
staranje
,
lepljenje
,
les
,
plazma
,
urea-formaldehidno lepilo
,
površina
Projekti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P4-0015
Naslov:
Les in lignocelulozni kompoziti
Financer:
ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:
P2-0082
Naslov:
Tankoplastne strukture in plazemsko inženirstvo površin
Podobna dela
Podobna dela v RUL:
Podobna dela v drugih slovenskih zbirkah:
Nazaj