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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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        Abstract - Issue Sep 2014, 35 (5)                                                                                                             Back

nstantaneous and historical temperature effects on a-pinene

Volatile organic compound and formaldehyde emissions from Populus davidiana wood treated with low molecular weight

urea-formaldehyde resin



Jing-Xian Wang, Jun Shen*, Cheng-Shuai Lei and Qi Feng

College of Material Science and Engineering, Northeast Forestry University, Harbin -150 040, China

*Corresponding Author E-mail:





Publication Data

Paper received:

24 April 2014


Revised received:

16 June 2014



30 June 2014




Populus davidiana wood was usually impregnated with low molecular weight thermosetting resins to improve its physical and mechanical properties. However, volatile organic compounds (VOCs) and formaldehyde emitted from treated wood have lead to poor indoor air quality (IAQ). The trends of VOC and formaldehyde emissions as a function of the weight percent gain (WPG) factor were mainly investigated in this work. Aldehydes and alkanes were the predominant compositions indentified in the VOC emissions, although low amount of ketones, terpenes and alcohols were also found. With the increase in WPG, VOC and formaldehyde concentrations improved. However, their concentration began to decrease when WPG was over 44.06% (VOC) and 36.35% (formaldehyde), respectively. The modulus of elasticity (MOE) of untreated and treated wood at different WPG levels was detected. It showed that treatment of wood with UF resin significantly improved the mechanical properties. Therefore, it is probably helpful to comprehensively analyze correlations among environmental performance, mechanical performance and processing costs. 



Key words

Formaldehyde, IAQ, Impregnation, Populus davidiana wood, VOC 


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