Laminated wood composite design with improved acoustic properties

Next-generation laminated wood composites were produced using waste poplar (Populus deltoides) veneer and polyvinyl acetate adhesive. Four experimental groups and one control group were created. Ten-layer laminated wood veneer samples were reinforced with natural rubber (Group A), linoleum (Group B)...

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Bibliographic Details
Published in:Bioresources 2022-02, Vol.17 (1), p.460-468
Main Authors: Özyurt, Hamit, Özdemir, Ferhat
Format: Article
Language:English
Subjects:
Absorption
Absorptivity
Acetic acid
Acoustic absorption
Acoustic properties
Acoustics
Adhesives
Composite materials
Elastomers
Hardwoods
Linoleum
Natural rubber
Noise control
Panels
Physical properties
Poplar
Rubber
Sound
Sound transmission
Variance analysis
Veneers
Wood
Wood composites
Wood laminates
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Summary:Next-generation laminated wood composites were produced using waste poplar (Populus deltoides) veneer and polyvinyl acetate adhesive. Four experimental groups and one control group were created. Ten-layer laminated wood veneer samples were reinforced with natural rubber (Group A), linoleum (Group B), felt (Group C), and elastomeric sponge (Group D); these materials were used in the fifth adhesive layer (middle layer). The sound absorption coefficients of the control and experimental groups were tested via the impedance tube method, according to ASTM standard E1050 (2006). Attention was paid to the acoustic behavior at low frequencies (63 Hz to 250 Hz), mid frequencies (250 Hz to 2000 Hz), and high frequencies (2000 Hz to 6300 Hz). It was determined that the sound absorption coefficient of the experimental groups considerably increased. It can be suggested that the experimental groups be used as sound absorbing acoustic panels and the control group as sound reflective acoustic panels.
ISSN:1930-2126
1930-2126
DOI:10.15376/biores.17.1.460-468