Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 29, Issue 44, Pages 66562-66577Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-022-20468-8
Keywords
Alternative adhesive; Emission of formaldehyde; Sustainable production; Evaluation of the wood-adhesive interface; Combustibility test; Mechanical properties
Categories
Funding
- Coordination for the Improvement of Higher Education Persons [001]
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This study evaluated the properties of particleboard using cardanol as a replacement for UF adhesive for the first time. The results showed that the properties of the boards meet the commercial requirements when the maximum replacement of UF by cardanol is 5%.
In recent years, research has been conducted in search of alternative adhesives that are less harmful to human health and the environment. Cardanol derived from cashew nut shell liquid (CNSL) has attracted considerable attention due to its chemical and specific characteristics (antioxidant activity, flame resistance, and hydrophobicity). In this sense, this study aimed to evaluate the quality of particleboards using cardanol instead of urea-formaldehyde (UF) adhesive. Different percentages of cardanol were used (0, 20, 40, 60 and 80%) in which its physicochemical properties were evaluated. The panels were produced with particles of Pinus oocarpa and nominal density of 0.75 g/cm(3), their physical and mechanical properties were evaluated, wood-adhesive interface evaluation with scanning electron microscopy (SEM), and the combustibility test. It is concluded that the maximum replacement of UF by cardanol is 5%, since, in this situation, the mentioned properties reach the established norms for the commercialization of the boards.
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