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Asian Journal of Applied Sciences
  Year: 2014 | Volume: 7 | Issue: 1 | Page No.: 22-29
DOI: 10.3923/ajaps.2014.22.29
 
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Effects of Formaldehyde Catcher on Some Properties of Particleboard with Different Ratio of Surface to Core Layer

W.C. Lum, S.H. Lee and P.S. H`ng

Abstract:
Formaldehyde catcher is a chemical compound that reacts with formaldehyde to form a less harmful product. Various compounds and methods of application have been found effective to reduce formaldehyde emission. The objective of this study was to reduce the formaldehyde emission of particleboard by applying post-treatment formaldehyde catcher. In this study, three-layered particleboards with five different surface to core ratios were made using urea formaldehyde resin. Amino-compound formaldehyde catcher (40, 50 and 60 g-2) was applied on the surface of the particleboard samples after 24 h conditioning. The samples were evaluated in accordance to Japanese Industrial Standard (JIS) for particleboard. JIS A 5908: JIS 5908 (2003) for mechanical properties and JIS A 1460 (2001) for formaldehyde emission. The data presented here were analysed using Analysis of Variance (ANOVA) and Tukey Honesty Significance Different Test (HSD) to determine the significant difference of the variables. Overall, particleboards applied with 60 g-2 of catcher show the lowest formaldehyde emission, with the lowest value achieving 0.163 mg L-1. With 60 g-3 of catcher, formaldehyde emission of all the samples were able to be reduced to meet F**** class stated in JIS for particleboard. Higher dosage of formaldehyde catcher shows greater reduction in formaldehyde emission. In conclusion, application of post-treatment formaldehyde catcher was very effective in reducing formaldehyde emission of three-layered particleboard with little effect on the mechanical properties and thickness swelling.
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How to cite this article:

W.C. Lum, S.H. Lee and P.S. H`ng, 2014. Effects of Formaldehyde Catcher on Some Properties of Particleboard with Different Ratio of Surface to Core Layer. Asian Journal of Applied Sciences, 7: 22-29.

DOI: 10.3923/ajaps.2014.22.29

URL: https://scialert.net/abstract/?doi=ajaps.2014.22.29

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