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Effect of cellulose nanofiber and cellulose nanocrystals reinforcement on the strength and stiffness of PVAc bonded joints

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cris.virtual.author-orcid0000-0001-9101-0981
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cris.virtualsource.author-orcid53d035ee-778d-4fef-b6c1-b736047873f2
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dc.abstract.enCellulose nanofiber (CNF) and cellulose nanocrystals (CNC) are strong bio-based materials and have great potential in a reinforcement of the polymeric matrix. This study presents the effect of nanocellulose (CNF and CNC) reinforcement of polyvinyl acetate (PVAc) adhesive. Adhesive formulations with three different concentrations (0.5%, 1%, and 2% w/w) of nanocellulose were prepared by dispersing them in water and mixing the suspension with PVAc adhesive; the other percentages are omitted due to obvious adverse effect. The reinforced adhesive was then used to glue spruce (Picea abies L) and beech (Fagus sylvatica) wood joints to determine joint stiffness and shear strength under static load. Samples were tested at 12% moisture content and after cyclic moisture exposure. Bond line morphology was studied by SEM. FTIR analysis was performed to see the molecular interaction between nanocellulose and PVAc. The addition of nanocellulose to PVAc adhesive significantly improved the elastic stiffness and shear strength of the joints. Optimum elastic stiffness and shear strength values were achieved with a 1% addition of nanocellulose. The general trends are found to be valid for various kind of CNF and CNC.
dc.affiliationWydział Leśny i Technologii Drewna
dc.affiliation.instituteKatedra Meblarstwa
dc.contributor.authorKamboj, Gourav
dc.contributor.authorGaff, Milan
dc.contributor.authorSmardzewski, Jerzy
dc.contributor.authorHaviarová, Eva
dc.contributor.authorHui, David
dc.contributor.authorRezaei, Fatemeh
dc.contributor.authorSethy, Anil Kumar
dc.date.accessioned2026-02-13T12:49:39Z
dc.date.available2026-02-13T12:49:39Z
dc.date.issued2022
dc.description.bibliographybibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if6,3
dc.description.number1 September 2022
dc.description.points140
dc.description.volume295
dc.identifier.doi10.1016/j.compstruct.2022.115821
dc.identifier.issn0263-8223
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/7346
dc.languageen
dc.relation.ispartofComposite Structures
dc.relation.pagesart. 115821
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.titleEffect of cellulose nanofiber and cellulose nanocrystals reinforcement on the strength and stiffness of PVAc bonded joints
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.volume295