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Effect of Cellulose Nanofibrils on the Bond Strength of Polyvinyl Acetate and Starch Adhesives for Wood
University of Eastern Finland, Finland. (GoFP (Group of Forest Products))ORCID iD: 0000-0002-1630-1305
University of Eastern Finland, Finland.
Karelia University of Applied Sciences, Finland.
University of Oulu, Finland.
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2018 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 13, no 2, p. 2283-2292Article in journal (Other (popular science, discussion, etc.)) Published
Abstract [en]

Nanocellulose is a competitive reinforcement material for usein biocomposite structures and fibrous products. In this study, adhesive mixtures of dicarboxylic acid cellulose nanofibrils (CNF) were dispersed into commercial polyvinyl acetate (PVAc) and starch adhesives, whichwere applied to Norway spruce (Picea abies) to assess their performance in wood joining. Single-lap joints were prepared and tested with PVAc mixtures with0 to 0.64 wt% CNFand starch glue mixtures containing 0 to 1.07 wt% CNF. CNF suspensionshaving three concentrations(0.64, 0.96,and 1.28%)were compared. The results showed that the optimum amount of CNF, 0.48% suspensions, added to PVAc increased the average lap joint strength (EN 205:2003) by 74.5% when compared to control specimens with pure PVAc. Correspondingly, 0.96% CNF suspensions also enhanced the strength of starch adhesive by 34.5%. Lower and higher CNF concentrations showed clearly inferior performance. (PDF) Effect of Cellulose Nanofibrils on the Bond Strength of Polyvinyl Acetate and Starch Adhesives for Wood

Place, publisher, year, edition, pages
NC State University , 2018. Vol. 13, no 2, p. 2283-2292
Keywords [en]
Adhesion, Nanocellulose, Nanofibril, PVAc, Starchglue, Wood joining
National Category
Wood Science
Research subject
Technology (byts ev till Engineering), Forestry and Wood Technology
Identifiers
URN: urn:nbn:se:lnu:diva-85255DOI: 10.15376/biores.13.2.2283-2292OAI: oai:DiVA.org:lnu-85255DiVA, id: diva2:1324044
Available from: 2019-06-13 Created: 2019-06-13 Last updated: 2019-06-13Bibliographically approved

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Jiang, Wen

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CiteExportLink to record
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