Floresta e Ambiente
https://floram.org/article/doi/10.1590/2179-8087-FLORAM-2022-0079
Floresta e Ambiente
Original Article Forest Products Science and Tecnology

Evaluation of the Emission of Formaldehyde from Wood-Based Panels (MDFs and MDPs) in Brazil After Use

José Carlos Cardozo, Alexandre Monteiro de Carvalho, Larisse Aparecida Ribas Batalha, Fernando José Borges Gomes, Raquel Nery Cardozo, Mariana Silva Salomão, Leonardo Amador Cruz

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Abstract

The rising popularity of various types of wood panels and the advances in manufacturing technology have increased the uses of wood. The bonding of fibers and particles to form panels, however, involves impregnation with resins, such as phenolic adhesives, which delivery desirable quality to the panels due to their insolubility in water, resistance against heat among others, but are also recognized as carcinogenic to humans (IARC, 2004). This study involved measuring the levels of formaldehyde, remaining in wood panels after use and disposal. It was initially evaluated new panels and then examined degraded ones. The results demonstrated significant volatilization of formaldehyde during the degradation process of the panels, with losses of 74.83% for MDF and 85.71% for medium density particleboards (MDP). The results demonstrated significant volatilization of formaldehyde during the degradation process of the panels, with losses of 74.83% for MDF and 85.71% for medium density particleboards (MDP).

Keywords

Wood-products; wood adhesives; wood degradation; volatilization of chemical compounds

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Submitted date:
10/26/2022

Accepted date:
01/30/2023

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