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Cellulose nano crystals (CNC) as additive for a bio-based waterborne acrylic wood coating : decay, artificial weathering, physical and chemical tests [Elektronski vir]Tamantini, Swati ...Wood coatings prolong the service life of wood-based products, but they are usually of synthetic origin. The aim of the present article is to reduce the fossil-based compounds in a commercial ... waterborne acrylic coating by CNC addition and to test its performance. The coatings were applied on European beech and Norway spruce wood in order to test durability against Gloeophyllum trabeum (brown wood rot) and Trametes versicolor (white wood rot). Artificial weathering and blue stain, contact angle, physical tests (adhesion, impact and scratch test), chemical (FTIR) and morpho-anatomical analysis (SEM) were carried out. CNC addition increased viscosity, limiting the spreading of the coating into wood pores as visible after SEM observation, which reduced coating adhesion on the substrate. CNC improved fungal resistance as seen by a reduced mass loss and FTIR spectroscopy thanks to crosslinks formation, which reduced water sorption as well. Color change was not significant, and, on the other hand, glossiness was reduced but resulted as more homogeneous than control. CNC addition gave good results also in blue stain protection. CNC improved scratch resistance, but no visible change to impact was registered. CNC has promising results in coatings depending on wood and fungal species and presence of further commercial additives (biocides).Source: Nanomaterials [Elektronski vir]. - ISSN 2079-4991 (Vol. 13, iss. 3, article 442, 21. jan. 2023, str. 1-24)Type of material - e-article ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 138974467
Author
Tamantini, Swati |
Bergamasco, Sara |
Zikeli, Florian |
Humar, Miha |
Cavalera, Massimo |
Romagnoli, Manuela
Topics
bukev |
smreka |
odpornost lesa |
Gloeophyllum trabeum |
Trametes versicolor |
barva |
sijaj |
glive modrivke |
FTIR |
kontaktni kot |
kontaktni kot |
beech |
spruce |
wood durability |
color |
gloss |
blue stain |
contact angle |
contact angle
Author | Tamantini, Swati ... |
Title | Cellulose nano crystals (CNC) as additive for a bio-based waterborne acrylic wood coating : decay, artificial weathering, physical and chemical tests [Elektronski vir] |
Publication date | 2023-01-21 |
COBISS.SI-ID | 138974467 |
Publication version in repository | Publisher's version |
Publication licence | Creative Commons Attribution 4.0 International |
Embargo | Immediate publication for public |
Project(s) from which the publication was funded
Title | Acronym | Project ID | Funder |
---|---|---|---|
Les in lignocelulozni kompoziti | P4-0015-2020 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
|
IC za pripravo, staranje in terensko testiranje lesa ter lignoceluloznih materialov | OC LES PST | 0481-09 |
Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije |
BIOEDILCARBON | A0375-2020-36712 |
Files that belong to the publication
Link |
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https://www.mdpi.com/2079-4991/13/3/442 |
https://repozitorij.uni-lj.si/IzpisGradiva.php?id=143952 |
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Database name | Field | Year |
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Tamantini, Swati | |
Bergamasco, Sara | |
Zikeli, Florian | |
Humar, Miha | 19106 |
Cavalera, Massimo | |
Romagnoli, Manuela |
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