Barrier properties of cellulose nanofiber film as an external layer of particleboard

The use of formaldehyde-based adhesives in the wood-based composite industry represents a healthcare concern due to its toxic volatile compounds. For this reason, this work presents the use of a formaldehyde barrier layer based on cellulose nanofibers (CNF) obtained from Manila hemp ( Musa textilis...

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Bibliographic Details
Published in:Clean technologies and environmental policy 2019-12, Vol.21 (10), p.2073-2079
Main Authors: Gumowska, Aneta, Kowaluk, Grzegorz, Labidi, Jalel, Robles, Eduardo
Format: Article
Language:English
Subjects:
Barrier layers
Barriers
Brief Report
Cellulose
Cellulose fibers
Earth and Environmental Science
Emission analysis
Emissions control
Energy
Environment
Environmental Economics
Environmental Engineering/Biotechnology
Environmental policy
Formaldehyde
Free energy
Hemp
Industrial and Production Engineering
Industrial Chemistry/Chemical Engineering
Laminates
Lumber industry
Mechanical properties
Morphology
Motion pictures
Nanofibers
Organic compounds
Particle board
Property
Sustainable Development
Urea
Urea formaldehyde resins
VOCs
Volatile compounds
Volatile organic compounds
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Summary:The use of formaldehyde-based adhesives in the wood-based composite industry represents a healthcare concern due to its toxic volatile compounds. For this reason, this work presents the use of a formaldehyde barrier layer based on cellulose nanofibers (CNF) obtained from Manila hemp ( Musa textilis ) fibers. The elaborated CNF films were firstly evaluated in their mechanical properties, gas transmittance, and surface free energy. Commercially available particleboards were produced with urea–formaldehyde resin and then covered in their external faces by CNF films, and the results were compared to those of an industrial-type laminate. These multilayered composites were evaluated in their morphology, surface free energy, and emission of free formaldehyde. Results showed that the addition of CNF layers reduced significantly the emission of formaldehyde (26% less). The bio-based nature of cellulose nanofibers provides an environmentally friendly barrier to prevent the emissions of volatile organic compounds from industrially available particleboards. Graphic abstract
ISSN:1618-954X
1618-9558
DOI:10.1007/s10098-019-01760-7