Tobacco (Nicotiana tabacum) stalk particles as additive in urea formaldehyde bonded plywood

The study investigated the use of tobacco (Nicotiana tabacum L) stalk particles as additive with both extender and filler property in urea formaldehyde adhesive formulation used to bond Paraserianthes falcataria (L) Nielsen veneers into plywood. The effect of varying amount of tobacco stalk particle...

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Bibliographic Details
Published in:Journal of adhesion science and technology 2018-12, Vol.32 (24), p.2658-2666
Main Authors: Jimenez, Juanito P., Acda, Menandro N.
Format: Article
Language:English
Subjects:
Adhesives
Aldehydes
extender
Failure
filler
Nicotiana tabacum
nicotine
Plywood
Shear strength
Tobacco
Urea formaldehyde resins
Veneers
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Summary:The study investigated the use of tobacco (Nicotiana tabacum L) stalk particles as additive with both extender and filler property in urea formaldehyde adhesive formulation used to bond Paraserianthes falcataria (L) Nielsen veneers into plywood. The effect of varying amount of tobacco stalk particles on adhesive working properties, shear strength and wood failure of 3-ply plywood was investigated. Adhesive mix containing urea formaldehyde resin with tobacco stalk particles up to 8% by mass blended very well and remained stable for atleast 1 hour. An increase or no significant effect on shear strength and wood failure up to 8% tobacco stalk loading was observed compared to plywood that used a commercial glue formulation. Based on shear strength and wood failure, panels containing 4-8% tobacco stalk particles would pass the requirements of ISO 12466-2. Examination of adhesive penetration and plywood strength suggest that tobacco particles could function as both filler and extender. Tobacco stalk particles offer an environmentally friendly, low cost, strong and non-abrasive alternative to conventional fibers used in plywood production.
ISSN:0169-4243
1568-5616
DOI:10.1080/01694243.2018.1509501